[cmNOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Ven 21 Avr 18:02:35 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 22 Apr, 2017

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

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

BGP routing table entries examined:                              644184
    Prefixes after maximum aggregation (per Origin AS):          250819
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      311163
Total ASes present in the Internet Routing Table:                 56904
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49231
Origin ASes announcing only one prefix:                           21820
Transit ASes present in the Internet Routing Table:                7673
Transit-only ASes present in the Internet Routing Table:            223
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                70
    Numnber of instances of unregistered ASNs:                       74
Number of 32-bit ASNs allocated by the RIRs:                      18233
Number of 32-bit ASNs visible in the Routing Table:               14162
Prefixes from 32-bit ASNs in the Routing Table:                   57245
Number of bogon 32-bit ASNs visible in the Routing Table:            43
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            428
Number of addresses announced to Internet:                   2842646404
    Equivalent to 169 /8s, 111 /16s and 87 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.5
Total number of prefixes smaller than registry allocations:      214966

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

Prefixes being announced by APNIC Region ASes:                   175666
    Total APNIC prefixes after maximum aggregation:               50405
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          174863
    Unique aggregates announced from the APNIC address blocks:    72537
APNIC Region origin ASes present in the Internet Routing Table:    8009
    APNIC Prefixes per ASN:                                       21.83
APNIC Region origin ASes announcing only one prefix:               2246
APNIC Region transit ASes present in the Internet Routing Table:   1130
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2853
Number of APNIC addresses announced to Internet:              763064964
    Equivalent to 45 /8s, 123 /16s and 114 /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:                    196425
    Total ARIN prefixes after maximum aggregation:                93953
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           198589
    Unique aggregates announced from the ARIN address blocks:     91184
ARIN Region origin ASes present in the Internet Routing Table:    17871
    ARIN Prefixes per ASN:                                        11.11
ARIN Region origin ASes announcing only one prefix:                6632
ARIN Region transit ASes present in the Internet Routing Table:    1780
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:    1916
Number of ARIN addresses announced to Internet:              1108155040
    Equivalent to 66 /8s, 13 /16s and 26 /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:                    174487
    Total RIPE prefixes after maximum aggregation:                84856
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           169999
    Unique aggregates announced from the RIPE address blocks:    101819
RIPE Region origin ASes present in the Internet Routing Table:    23927
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11042
RIPE Region transit ASes present in the Internet Routing Table:    3397
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5758
Number of RIPE addresses announced to Internet:               711328384
    Equivalent to 42 /8s, 102 /16s and 2 /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:                   80518
    Total LACNIC prefixes after maximum aggregation:              17806
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          81698
    Unique aggregates announced from the LACNIC address blocks:   38300
LACNIC Region origin ASes present in the Internet Routing Table:   5812
    LACNIC Prefixes per ASN:                                      14.06
LACNIC Region origin ASes announcing only one prefix:              1579
LACNIC Region transit ASes present in the Internet Routing Table:  1063
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3326
Number of LACNIC addresses announced to Internet:             170427104
    Equivalent to 10 /8s, 40 /16s and 130 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  16985
    Total AfriNIC prefixes after maximum aggregation:              3743
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         18607
    Unique aggregates announced from the AfriNIC address blocks:   6949
AfriNIC Region origin ASes present in the Internet Routing Table:  1038
    AfriNIC Prefixes per ASN:                                     17.93
AfriNIC Region origin ASes announcing only one prefix:              321
AfriNIC Region transit ASes present in the Internet Routing Table:  209
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  309
Number of AfriNIC addresses announced to Internet:             89181696
    Equivalent to 5 /8s, 80 /16s and 206 /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         5560       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3774        391     268  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2931        901      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2809      11150     757  KIXS-AS-KR Korea Telecom, KR
  9829         2731       1499     539  BSNL-NIB National Internet Backbone, IN
  9808         2213       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2077        421     221  TATACOMM-AS TATA Communications formerl
 45899         2064       1380     110  VNPT-AS-VN VNPT Corp, VN
  9583         1574        121     542  SIFY-AS-IN Sify Limited, IN
  7552         1569       1101      55  VIETEL-AS-AP Viettel Corporation, VN

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         3702       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3346       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2185        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2069       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1989       2108     404  CHARTER-NET-HKY-NC - Charter Communicat
   209         1793       5067     635  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1760       3386     564  AMAZON-02 - Amazon.com, Inc., US
 30036         1744        322     351  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1692        854     231  ITCDELTA - Earthlink, Inc., US
   701         1568      10579     642  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         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3241        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2935       1041    2082  AKAMAI-ASN1, US
  9121         2708       1691      18  TTNET, TR
 34984         2009        328     386  TELLCOM-AS, TR
 13188         1631         99      56  TRIOLAN, UA
 12479         1547       1044      52  UNI2-AS, ES
 12389         1443       1316     589  ROSTELECOM-AS, RU
  9198         1320        352      23  KAZTELECOM-AS, KZ
  6849         1254        355      21  UKRTELNET, UA

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         3546        547     139  Telmex Colombia S.A., CO
  8151         2518       3396     556  Uninet S.A. de C.V., MX
 11830         1820        369      57  Instituto Costarricense de Electricidad
  7303         1558       1004     248  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1123        377      27  Telefonica del Peru S.A.A., PE
 28573         1082       2294     180  CLARO S.A., BR
  3816         1022        496     179  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          960        232      91  Techtel LMDS Comunicaciones Interactiva
 11172          929        126      80  Alestra, S. de R.L. de C.V., MX

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         1267        399      42  LINKdotNET-AS, EG
 36903          715        359     128  MT-MPLS, MA
 37611          703         67       6  Afrihost, ZA
 36992          624       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          411       1730      17  TE-AS TE-AS, EG
 37492          407        318      73  ORANGE-, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          342         35       7  WANANCHI-, KE
  2018          288        327      74  TENET-1, ZA

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         5560       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3774        391     268  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3702       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3546        547     139  Telmex Colombia S.A., CO
  6327         3346       1333      80  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3241        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2935       1041    2082  AKAMAI-ASN1, US
 17974         2931        901      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2809      11150     757  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
 22773       3702         3549   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3774         3506   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3546         3407   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS, SA
  6327       3346         3266   SHAW - Shaw Communications Inc., CA
  8551       3241         3200   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2931         2853   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2708         2690   TTNET, TR
  9829       2731         2192   BSNL-NIB National Internet Backbone, IN
  9808       2213         2180   CMNET-GD Guangdong Mobile Communication Co.Ltd.

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

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

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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

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

Network            Origin AS  Description
23.160.128.0/24      64267    -Reserved AS-, ZZ, US
23.161.128.0/17     393899    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.141.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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      /11:103     /12:280     
/13:544     /14:1046    /15:1835    /16:13441   /17:7587    /18:13429   
/19:24714   /20:38393   /21:41359   /22:76175   /23:63205   /24:360596  
/25:558     /26:413     /27:325     /28:41      /29:24      /30:24      
/31:1       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3141          3346    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS, SA
 22773     2866          3702    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2702          3241    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2078          2185    MEGAPATH5-US - MegaPath Corporation, US
  9121     1925          2708    TTNET, TR
 30036     1547          1744    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1462          3546    Telmex Colombia S.A., CO
  6389     1375          2069    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1362          1631    TRIOLAN, UA

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

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

   1:1609      2:817       4:26        5:2423      6:34        8:1066   
  12:1828     13:109      14:1794     15:23       16:2        17:116    
  18:126      19:1        20:56       23:2217     24:1878     25:2      
  27:2386     31:1896     32:89       33:5        35:20       36:391    
  37:2574     38:1347     39:45       40:99       41:3029     42:474    
  43:1914     44:71       45:2544     46:2751     47:119      49:1187   
  50:971      51:18       52:804      54:358      55:5        56:4      
  57:41       58:1611     59:1024     60:385      61:1893     62:1543   
  63:1919     64:4589     65:2214     66:4552     67:2246     68:1199   
  69:3335     70:1305     71:568      72:2156     74:2640     75:392    
  76:428      77:1486     78:1656     79:2068     80:1371     81:1410   
  82:989      83:731      84:875      85:1812     86:484      87:1154   
  88:838      89:2059     90:169      91:6145     92:1023     93:2392   
  94:2322     95:2856     96:597      97:359      98:953      99:89     
 100:156     101:1261    103:14371   104:2842    105:197     106:499    
 107:1581    108:811     109:3401    110:1338    111:1735    112:1172   
 113:1292    114:1041    115:1812    116:1782    117:1701    118:2147   
 119:1582    120:978     121:1097    122:2226    123:1811    124:1539   
 125:1840    128:749     129:624     130:449     131:1400    132:516    
 133:191     134:621     135:219     136:519     137:436     138:1900   
 139:448     140:380     141:538     142:737     143:950     144:774    
 145:170     146:1037    147:661     148:1404    149:564     150:712    
 151:948     152:756     153:301     154:801     155:741     156:576    
 157:616     158:447     159:1460    160:573     161:748     162:2471   
 163:523     164:791     165:1176    166:388     167:1235    168:2609   
 169:783     170:3075    171:297     172:998     173:1844    174:812    
 175:732     176:1834    177:4005    178:2484    179:1116    180:2170   
 181:1809    182:2311    183:981     184:859     185:9412    186:3159   
 187:2206    188:2612    189:1794    190:8070    191:1285    192:9368   
 193:5790    194:4642    195:3848    196:2055    197:1243    198:5517   
 199:5868    200:7361    201:4128    202:10266   203:9856    204:4481   
 205:2747    206:2999    207:3125    208:4006    209:3956    210:3981   
 211:2128    212:2818    213:2486    214:862     215:66      216:5874   
 217:2067    218:829     219:604     220:1657    221:906     222:762    
 223:1175   

End of report


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