[cmNOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Ven 28 Aou 18:03:27 UTC 2020


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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 29 Aug, 2020

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

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

BGP routing table entries examined:                              819897
    Prefixes after maximum aggregation (per Origin AS):          312416
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      395832
Total ASes present in the Internet Routing Table:                 69169
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           59425
Origin ASes announcing only one prefix:                           24673
Transit ASes present in the Internet Routing Table:                9744
Transit-only ASes present in the Internet Routing Table:            303
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      45
    Max AS path prepend of ASN ( 37385)                              42
Prefixes from unregistered ASNs in the Routing Table:               855
    Number of instances of unregistered ASNs:                       872
Number of 32-bit ASNs allocated by the RIRs:                      33235
Number of 32-bit ASNs visible in the Routing Table:               27393
Prefixes from 32-bit ASNs in the Routing Table:                  127300
Number of bogon 32-bit ASNs visible in the Routing Table:            33
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            436
Number of addresses announced to Internet:                   2850601216
    Equivalent to 169 /8s, 232 /16s and 185 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      274044

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

Prefixes being announced by APNIC Region ASes:                   216901
    Total APNIC prefixes after maximum aggregation:               63329
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          210716
    Unique aggregates announced from the APNIC address blocks:    86746
APNIC Region origin ASes present in the Internet Routing Table:   10831
    APNIC Prefixes per ASN:                                       19.45
APNIC Region origin ASes announcing only one prefix:               3025
APNIC Region transit ASes present in the Internet Routing Table:   1590
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5919
Number of APNIC addresses announced to Internet:              769812864
    Equivalent to 45 /8s, 226 /16s and 105 /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, 131072-141625
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:                    240385
    Total ARIN prefixes after maximum aggregation:               110557
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           237925
    Unique aggregates announced from the ARIN address blocks:    116401
ARIN Region origin ASes present in the Internet Routing Table:    18565
    ARIN Prefixes per ASN:                                        12.82
ARIN Region origin ASes announcing only one prefix:                6777
ARIN Region transit ASes present in the Internet Routing Table:    1902
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3385
Number of ARIN addresses announced to Internet:              1086994688
    Equivalent to 64 /8s, 202 /16s and 57 /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, 393216-399260
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,  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:                    227825
    Total RIPE prefixes after maximum aggregation:               107550
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           224132
    Unique aggregates announced from the RIPE address blocks:    135611
RIPE Region origin ASes present in the Internet Routing Table:    27323
    RIPE Prefixes per ASN:                                         8.20
RIPE Region origin ASes announcing only one prefix:               11790
RIPE Region transit ASes present in the Internet Routing Table:    3857
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9437
Number of RIPE addresses announced to Internet:               709090688
    Equivalent to 42 /8s, 67 /16s and 221 /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
                       196608-213403
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:                  110441
    Total LACNIC prefixes after maximum aggregation:              25555
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:         111580
    Unique aggregates announced from the LACNIC address blocks:   47385
LACNIC Region origin ASes present in the Internet Routing Table:  10351
    LACNIC Prefixes per ASN:                                      10.78
LACNIC Region origin ASes announcing only one prefix:              2581
LACNIC Region transit ASes present in the Internet Routing Table:  1943
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7936
Number of LACNIC addresses announced to Internet:             174593280
    Equivalent to 10 /8s, 104 /16s and 21 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  23489
    Total AfriNIC prefixes after maximum aggregation:              4753
    AfriNIC Deaggregation factor:                                  4.94
Prefixes being announced from the AfriNIC address blocks:         35108
    Unique aggregates announced from the AfriNIC address blocks:   9341
AfriNIC Region origin ASes present in the Internet Routing Table:  1421
    AfriNIC Prefixes per ASN:                                     24.71
AfriNIC Region origin ASes announcing only one prefix:              500
AfriNIC Region transit ASes present in the Internet Routing Table:  288
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  716
Number of AfriNIC addresses announced to Internet:            109668864
    Equivalent to 6 /8s, 137 /16s and 106 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  7545        5651        763     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4741       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3506       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3460       1896      52  VNPT-AS-VN VNPT Corp, VN
  7713        2732        829     553  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2521       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2348      11103     555  KIXS-AS-KR Korea Telecom, KR
  9498        2284        450     223  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2142        441     193  TATACOMM-AS TATA Communications formerl
  9394        2038       4914      18  CTTNET China TieTong Telecommunications

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
 11492        4540        304     647  CABLEONE, US
 16509        4191       8247    1923  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3624       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3365       1323      84  SHAW, CA
 16625        3147       1664    2255  AKAMAI-AS, US
 30036        2454        367     112  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2449        153     333  IKGUL-26484, US
   209        2448       5073     521  CENTURYLINK-US-LEGACY-QWEST, US
  5650        2309       2981    1625  FRONTIER-FRTR, US

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
 12479        5958       1652     135  UNI2-AS, ES
 20940        3180       2217    1027  AKAMAI-ASN1, EU
  8551        3159        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3073        179      21  ALJAWWALSTC-AS, SA
 12389        2664       2271     836  ROSTELECOM-AS, RU
 34984        2167        354     565  TELLCOM-AS, TR
  9009        2148        224    1169  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1359        162     609  ASDETUK http://www.heficed.com, GB
 58224        1256        832     518  TCI, IR

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
  8151        7487       3306     602  Uninet S.A. de C.V., MX
 10620        3366        530     530  Telmex Colombia S.A., CO
 11830        2582        369      63  Instituto Costarricense de Electricidad
  6503        1625        323     414  Axtel, S.A.B. de C.V., MX
  7303        1483        954     263  Telecom Argentina S.A., AR
 13999        1440        483     378  Mega Cable, S.A. de C.V., MX
 28573        1361       2246     216  CLARO S.A., BR
  3816        1135        574     157  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1115        379      39  Telefonica del Peru S.A.A., PE
 11172         957        111      69  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        1496        393      22  LINKdotNET-AS, EG
 24835        1122        474      25  RAYA-AS, EG
 36992        1121       1539      75  ETISALAT-MISR, EG
 36903         917        480      93  MT-MPLS, MA
 29571         670         68      10  ORANGE-COTE-IVOIRE, CI
  6713         553       1863      34  IAM-AS, MA
 15399         492         46      14  WANANCHI-, KE
 36935         485        522      40  Vodafone-, EG
 37342         481         32       1  MOVITEL, MZ
 23889         345        232      16  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
  8151        7487       3306     602  Uninet S.A. de C.V., MX
 12479        5958       1652     135  UNI2-AS, ES
  7545        5651        763     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4741       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4540        304     647  CABLEONE, US
 16509        4191       8247    1923  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3624       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3506       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3460       1896      52  VNPT-AS-VN VNPT Corp, VN

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5958         5823  UNI2-AS, ES
  7545        5651         4978  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4741         4668  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4540         3893  CABLEONE, US
  7552        3506         3484  VIETEL-AS-AP Viettel Group, VN
 22773        3624         3451  ASN-CXA-ALL-CCI-22773-RDC, US
 45899        3460         3408  VNPT-AS-VN VNPT Corp, VN
  6327        3365         3281  SHAW, CA
  8551        3159         3114  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22357  UNALLOCATED  8.7.108.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     36270  UNALLOCATED  8.24.66.0/24              3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.158.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
41.78.164.0/24       Origin:    328013  ISPAfrika, ZA
                    Transit:     37179  AFRICAINX, ZA

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        /8:9        /9:11      /10:39      /11:100     /12:286     
/13:576     /14:1174    /15:1933    /16:13463   /17:8266    /18:14024   
/19:25889   /20:41063   /21:49236   /22:102034  /23:85048   /24:475471  
/25:1275    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        4982        5958  UNI2-AS, ES
 11492        3607        4540  CABLEONE, US
  6327        3160        3365  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2803        3624  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2618        3159  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891        2609        3073  ALJAWWALSTC-AS, SA
  8151        2593        7487  Uninet S.A. de C.V., MX
 30036        2197        2454  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1994        2309  FRONTIER-FRTR, US

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

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

   1:1614      2:1127      3:33        4:19        5:3407      6:54     
   8:1474      9:1        11:1        12:1780     13:466      14:2302   
  15:72       16:8        17:292      18:85       20:110      23:3916   
  24:2335     25:3        27:2565     31:2164     32:121      34:1      
  35:42       36:983      37:3333     38:1893     39:450      40:128    
  41:3674     42:635      43:2156     44:219      45:14826    46:3659   
  47:320      49:1530     50:1627     51:90       52:1104     54:225    
  55:642      56:6        57:52       58:1773     59:1196     60:787    
  61:2309     62:2150     63:2016     64:5224     65:2344     66:5063   
  67:2893     68:1180     69:4044     70:1401     71:677      72:2902   
  74:2583     75:1457     76:670      77:1955     78:1655     79:2413   
  80:2055     81:1594     82:1304     83:1252     84:1230     85:2675   
  86:559      87:1745     88:938      89:2792     90:359      91:7103   
  92:1556     93:2499     94:2764     95:3262     96:1255     97:338    
  98:925      99:979     100:87      101:1009    102:1066    103:24284  
 104:3538    105:404     106:905     107:2114    108:728     109:3671   
 110:1974    111:2056    112:1656    113:1392    114:1519    115:1839   
 116:1794    117:2085    118:2151    119:1732    120:826     121:1056   
 122:2534    123:2043    124:1637    125:2128    128:1390    129:1217   
 130:717     131:1914    132:759     133:306     134:1368    135:300    
 136:644     137:864     138:2266    139:1040    140:707     141:1090   
 142:957     143:1224    144:1160    145:364     146:1376    147:1015   
 148:2123    149:1254    150:916     151:1075    152:1554    153:425    
 154:4548    155:1218    156:2995    157:1118    158:867     159:1967   
 160:1960    161:1061    162:3162    163:899     164:1510    165:1313   
 166:583     167:1659    168:3522    169:597     170:4286    171:775    
 172:1982    173:2673    174:975     175:1056    176:2681    177:4775   
 178:2692    179:1693    180:2288    181:2525    182:3114    183:1165   
 184:2425    185:16898   186:3915    187:2951    188:3328    189:2587   
 190:8934    191:1524    192:10384   193:7642    194:6276    195:4456   
 196:3134    197:2050    198:6113    199:5914    200:7300    201:5216   
 202:10573   203:10205   204:4614    205:3125    206:3165    207:3245   
 208:4007    209:4484    210:4164    211:2038    212:3483    213:3147   
 214:1170    215:62      216:6087    217:2433    218:847     219:614    
 220:2055    221:910     222:997     223:1667   

End of report


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