[cmNOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Ven 1 Sep 18:02:44 UTC 2017


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 02 Sep, 2017

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              659343
    Prefixes after maximum aggregation (per Origin AS):          257157
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      319791
Total ASes present in the Internet Routing Table:                 58257
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           50359
Origin ASes announcing only one prefix:                           22214
Transit ASes present in the Internet Routing Table:                7898
Transit-only ASes present in the Internet Routing Table:            227
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                60
    Number of instances of unregistered ASNs:                        63
Number of 32-bit ASNs allocated by the RIRs:                      19864
Number of 32-bit ASNs visible in the Routing Table:               15650
Prefixes from 32-bit ASNs in the Routing Table:                   63952
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            372
Number of addresses announced to Internet:                   2853141856
    Equivalent to 170 /8s, 15 /16s and 125 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219558

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   179400
    Total APNIC prefixes after maximum aggregation:               51947
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          178284
    Unique aggregates announced from the APNIC address blocks:    74914
APNIC Region origin ASes present in the Internet Routing Table:    8310
    APNIC Prefixes per ASN:                                       21.45
APNIC Region origin ASes announcing only one prefix:               2314
APNIC Region transit ASes present in the Internet Routing Table:   1181
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3170
Number of APNIC addresses announced to Internet:              764936416
    Equivalent to 45 /8s, 152 /16s and 0 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    201333
    Total ARIN prefixes after maximum aggregation:                95798
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           203102
    Unique aggregates announced from the ARIN address blocks:     93704
ARIN Region origin ASes present in the Internet Routing Table:    17971
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                6641
ARIN Region transit ASes present in the Internet Routing Table:    1772
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2166
Number of ARIN addresses announced to Internet:              1110269216
    Equivalent to 66 /8s, 45 /16s and 93 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    176865
    Total RIPE prefixes after maximum aggregation:                86656
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           172744
    Unique aggregates announced from the RIPE address blocks:    104339
RIPE Region origin ASes present in the Internet Routing Table:    24342
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11172
RIPE Region transit ASes present in the Internet Routing Table:    3459
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6142
Number of RIPE addresses announced to Internet:               713157760
    Equivalent to 42 /8s, 129 /16s and 236 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   84795
    Total LACNIC prefixes after maximum aggregation:              18896
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          86057
    Unique aggregates announced from the LACNIC address blocks:   39541
LACNIC Region origin ASes present in the Internet Routing Table:   6328
    LACNIC Prefixes per ASN:                                      13.60
LACNIC Region origin ASes announcing only one prefix:              1755
LACNIC Region transit ASes present in the Internet Routing Table:  1176
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3839
Number of LACNIC addresses announced to Internet:             171204576
    Equivalent to 10 /8s, 52 /16s and 95 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  16888
    Total AfriNIC prefixes after maximum aggregation:              3807
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         18784
    Unique aggregates announced from the AfriNIC address blocks:   7013
AfriNIC Region origin ASes present in the Internet Routing Table:  1049
    AfriNIC Prefixes per ASN:                                     17.91
AfriNIC Region origin ASes announcing only one prefix:              331
AfriNIC Region transit ASes present in the Internet Routing Table:  202
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  333
Number of AfriNIC addresses announced to Internet:             93091584
    Equivalent to 5 /8s, 140 /16s and 119 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5408       4194      88  ERX-CERNET-BKB China Education and Rese
  7545         3901        406     384  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2961        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2839      11126     752  KIXS-AS-KR Korea Telecom, KR
  9829         2757       1499     541  BSNL-NIB National Internet Backbone, IN
  9808         2351       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2101        423     221  TATACOMM-AS TATA Communications formerl
 45899         2101       1468     116  VNPT-AS-VN VNPT Corp, VN
  7552         1659       1105      70  VIETEL-AS-AP Viettel Corporation, VN
  9498         1623        361     143  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 22773         3643       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3463       1341      87  SHAW - Shaw Communications Inc., CA
 18566         2204        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2047       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2032       2237     434  CHARTER-NET-HKY-NC - Charter Communicat
   209         1898       5066     641  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1826        329     285  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16509         1823       3960     527  AMAZON-02 - Amazon.com, Inc., US
  6983         1695        854     229  ITCDELTA - Earthlink, Inc., US
   701         1673      10557     629  UUNET - MCI Communications Services, In

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2977        958    2132  AKAMAI-ASN1, US
  8551         2496        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2060        333     425  TELLCOM-AS, TR
  9121         1801       1691      17  TTNET, TR
 12389         1704       1614     669  ROSTELECOM-AS, RU
 12479         1676       1052      60  UNI2-AS, ES
 13188         1602        100      55  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1192        544      15  CORBINA-AS OJSC "Vimpelcom", RU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3557        542     210  Telmex Colombia S.A., CO
  8151         2980       3416     579  Uninet S.A. de C.V., MX
 11830         2108        370      65  Instituto Costarricense de Electricidad
  6503         1609        437      53  Axtel, S.A.B. de C.V., MX
  7303         1564       1021     247  Telecom Argentina S.A., AR
  6147         1252        377      27  Telefonica del Peru S.A.A., PE
  3816         1025        504      94  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          960       2284     185  CLARO S.A., BR
 11172          918        126      86  Alestra, S. de R.L. de C.V., MX
 18881          898       1052      23  TELEFÔNICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1173        398      48  LINKdotNET-AS, EG
 37611          755         91       8  Afrihost, ZA
 36903          711        357     130  MT-MPLS, MA
 36992          655       1383      29  ETISALAT-MISR, EG
 24835          451        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          410        354      77  ORANGE-, TN
 15399          361         35       7  WANANCHI-, KE
  2018          300        327      74  TENET-1, ZA
 23889          293        103      14  MauritiusTelecom, MU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5408       4194      88  ERX-CERNET-BKB China Education and Rese
  7545         3901        406     384  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3643       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3557        542     210  Telmex Colombia S.A., CO
  6327         3463       1341      87  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  8151         2980       3416     579  Uninet S.A. de C.V., MX
 20940         2977        958    2132  AKAMAI-ASN1, US
 17974         2961        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2839      11126     752  KIXS-AS-KR Korea Telecom, KR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  7545       3901         3517   TPG-INTERNET-AP TPG Telecom Limited, AU
 22773       3643         3485   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3463         3376   SHAW - Shaw Communications Inc., CA
 39891       3387         3364   ALJAWWALSTC-AS, SA
 10620       3557         3347   Telmex Colombia S.A., CO
 17974       2961         2888   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2496         2455   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151       2980         2401   Uninet S.A. de C.V., MX
  9808       2351         2319   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2757         2216   BSNL-NIB National Internet Backbone, IN

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65346   PRIVATE      94.50.36.0/22        31094       TTKNET Tyumen, Russia, RU

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
23.226.112.0/20      62788    UNKNOWN
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.79.12.0/22        37306    -Reserved AS-, ZZ

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:13      /10:36      /11:104     /12:284     
/13:552     /14:1046    /15:1862    /16:13418   /17:7658    /18:13439   
/19:24735   /20:38788   /21:41733   /22:78989   /23:65026   /24:369192  
/25:853     /26:632     /27:647     /28:39      /29:39      /30:214     
/31:2       /32:27      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3260          3463    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2841          3643    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2088          2204    MEGAPATH5-US - MegaPath Corporation, US
  8551     1961          2496    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1608          1826    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1501          3557    Telmex Colombia S.A., CO
 11830     1498          2108    Instituto Costarricense de Electricidad y Telec
 11492     1415          1593    CABLEONE - CABLE ONE, INC., US
  6389     1358          2047    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1561      2:830       4:18        5:2466      6:31        7:1      
   8:1052     12:1851     13:144      14:1713     15:28       16:2      
  17:195      18:90       20:60       23:2444     24:1938     25:2      
  27:2361     29:1        31:1927     32:84       33:20       35:21     
  36:416      37:2351     38:1363     39:69       40:98       41:2869   
  42:462      43:1965     44:79       45:3006     46:2798     47:165    
  49:1253     50:994      51:19       52:817      54:365      55:4      
  56:4        57:43       58:1592     59:1007     60:311      61:1923   
  62:1698     63:1911     64:4681     65:2207     66:4575     67:2284   
  68:1227     69:3391     70:1169     71:604      72:2169     74:2715   
  75:398      76:427      77:1504     78:1464     79:1907     80:1401   
  81:1392     82:1004     83:730      84:966      85:1826     86:466    
  87:1194     88:762      89:2185     90:165      91:6212     92:1009   
  93:2400     94:2331     95:2673     96:641      97:355      98:1005   
  99:98      100:153     101:1446    102:1       103:15771   104:3033   
 105:185     106:552     107:1770    108:823     109:2908    110:1459   
 111:1745    112:1244    113:1272    114:1074    115:1587    116:1653   
 117:1761    118:2156    119:1654    120:736     121:1059    122:2347   
 123:1833    124:1484    125:1783    128:862     129:672     130:442    
 131:1472    132:578     133:194     134:686     135:225     136:452    
 137:489     138:1906    139:517     140:380     141:645     142:753    
 143:878     144:807     145:184     146:1090    147:698     148:1499   
 149:584     150:713     151:985     152:734     153:296     154:844    
 155:757     156:673     157:670     158:481     159:1558    160:748    
 161:746     162:2513    163:511     164:959     165:1425    166:383    
 167:1296    168:3008    169:841     170:3503    171:366     172:996    
 173:2000    174:782     175:759     176:1893    177:3944    178:2577   
 179:1115    180:2197    181:1987    182:2435    183:768     184:864    
 185:10659   186:3274    187:2192    188:2580    189:1809    190:8341   
 191:1318    192:9610    193:5805    194:4723    195:3917    196:2135   
 197:1306    198:5533    199:5894    200:7602    201:4365    202:10342  
 203:9941    204:4545    205:2853    206:3076    207:3159    208:4026   
 209:4006    210:3971    211:2059    212:2862    213:2527    214:847    
 215:66      216:5898    217:2116    218:903     219:601     220:1678   
 221:917     222:742     223:1206   

End of report


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