This report has been generated at Fri Mar 5 21:45:41 2021 AEST.
The report analyses the BGP Routing Table as seen within AS131072
and generates a report on aggregation potential within the table.
Check https://www.cidr-report.org/v6 for a current version of this report.
Recent Table History
Date Prefixes CIDR Agg
26-02-21 110411 60973
27-02-21 110354 60994
28-02-21 110368 60846
01-03-21 110170 60927
02-03-21 110285 60996
03-03-21 110477 61138
04-03-21 110505 61171
05-03-21 110486 61171
AS Summary
22013 Number of ASes in routing system
13701 Number of ASes announcing only one prefix
2892 Largest number of prefixes announced by an AS
AS11172: Alestra, S. de R.L. de C.V., MX
36318243520512 (/18.95) Largest address span announced by an AS (/64s)
AS7922 : COMCAST-7922, US
Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as
to preserve traffic transit policies.
--- 05Mar21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 110528 61270 49258 44.6% All ASes
AS11172 2892 118 2774 95.9% Alestra, S. de R.L. de C.V.,
MX
AS45609 2081 422 1659 79.7% BHARTI-MOBILITY-AS-AP Bharti
Airtel Ltd. AS for GPRS
Service, IN
AS12479 1490 4 1486 99.7% UNI2-AS, ES
AS17622 2112 647 1465 69.4% CNCGROUP-GZ China Unicom
Guangzhou network, CN
AS22773 1225 8 1217 99.3% ASN-CXA-ALL-CCI-22773-RDC, US
AS7552 1161 4 1157 99.7% VIETEL-AS-AP Viettel Group, VN
AS45271 1369 228 1141 83.3% ICLNET-AS-AP Idea Cellular
Limited, IN
AS28573 1235 139 1096 88.7% CLARO S.A., BR
AS9808 1430 603 827 57.8% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS39891 791 9 782 98.9% ALJAWWALSTC-AS, SA
AS4808 826 92 734 88.9% CHINA169-BJ China Unicom
Beijing Province Network, CN
AS32098 813 130 683 84.0% TRANSTELCO-INC, US
AS16509 1546 920 626 40.5% AMAZON-02, US
AS38266 803 225 578 72.0% VODAFONE-IN Vodafone India
Ltd., IN
AS33363 690 135 555 80.4% BHN-33363, US
AS62240 565 25 540 95.6% CLOUVIDER Clouvider - Global
ASN, GB
AS4134 523 39 484 92.5% CHINANET-BACKBONE
No.31,Jin-rong Street, CN
AS20115 552 139 413 74.8% CHARTER-20115, US
AS17552 405 16 389 96.0% TRUEONLINE-AS-AP True Online,
TH
AS13142 409 50 359 87.8% MOBIFONE-AS-VN MOBIFONE
Corporation, VN
AS13361 573 251 322 56.2% VODAFONE-AS-AP Vodafone
Australia Pty Ltd, AU
AS30036 588 284 304 51.7% MEDIACOM-ENTERPRISE-BUSINESS,
US
AS55303 482 197 285 59.1% EAGLENET-AP 60 Market
Square,P.O. Box 364, PH
AS20940 695 426 269 38.7% AKAMAI-ASN1, NL
AS55430 295 27 268 90.8% STARHUB-NGNBN Starhub Ltd, SG
AS45899 279 16 263 94.3% VNPT-AS-VN VNPT Corp, VN
AS9605 287 30 257 89.5% DOCOMO NTT DOCOMO, INC., JP
AS13206 258 1 257 99.6% REALMOVE-AS-AP Realmove
Company Limited, TH
AS24173 258 3 255 98.8% NETNAM-AS-AP Netnam Company,
VN
AS17623 922 670 252 27.3% CNCGROUP-SZ China Unicom
Shenzen network, CN
Total 27555 5858 21697 78.7% Top 30 total
Possible Bogus Routes
2001::/32 AS6939 HURRICANE, US
2001:4:112::/48 AS112 -Reserved AS-, ZZ
2001:df0:2b7::/48 AS9555 VZB-AU-AS Verizon Australia PTY Limited, AU
2001:df5:5c00::/48 AS9649 MOPH-TH-AP Information Technology Office, SG
2002::/16 AS6939 HURRICANE, US
2400:7c00::/32 AS38278 ORIENTTELNET-MY-AP ORIENT TELECOMS MALAYSIA - Internet and Ethernet Service Provider in Malaysia, MY
2400:e800:1000::/36 AS17564 GITN-PCN-AS-AP GITN (M) Sdn. Bhd., MY
2401:160c::/32 AS13309 FUSIONNETWORKS-AS-AP Fusion Networks, NZ
2401:5b80::/32 AS13342
2401:f500:1::/48 AS17139 NETRANGE, US
2402:f880::/32 AS64056 KAZILALLC-AS-AP Kazila LLC, AU
2403:4200:401::/48 AS58534 JAZMIN-AS-AP Jazmin Communications Pty Ltd, AU
2403:4e00::/32 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:300::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:301::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:302::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:305::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:306::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:309::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:30b::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:30d::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:310::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:316::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:319::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2403:4e00:31a::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN
2404:e601::/48 AS13280 SINGTEL-AS-SCSGKC23 Singapore Telecommunications Limited, SG
2405:1900::/32 AS45475 AMURINET-NZ Amuri Net, NZ
2406:8300:2::/48 AS17559 SPECTUM-NON-AP Spectrums Core Network, AU
2450:1740:1::/48 AS14007 GARMININTERNATIONAL-AS-AP Garmin International Inc, TW
2506:5fc0::/28 AS39788 STINGERS, US
2602:fff1:1::/48 AS22625 IMDC-AS22625, US
2605:a80:1::/48 AS13213 UK2NET-AS, GB
2605:66c6::/32 AS37493 -Reserved AS-, ZZ
2605:66c7::/32 AS37493 -Reserved AS-, ZZ
2605:d400::/32 AS174 COGENT-174, US
2606:ae04:8020::/48 AS17224 ATT-CERFNET-BLOCK, US
2620:0:880::/48 AS29763 -Reserved AS-, ZZ
2620:0:900::/48 AS4185 ATTIS-ASN4185, US
2620:38:a00::/48 AS22695 PLAYGROUND, US
2620:40:4000::/48 AS16931 GLOBAL-PAYMENTS-1, US
2620:85:8000::/48 AS46453 -Reserved AS-, ZZ
2620:97:4000::/48 AS14244 NSIHOSTING-EQX-VA, US
2620:ba:8000::/48 AS2386 INS-AS, US
2620:108:8002::/48 AS14904 IBMCCH-RTP, US
2620:108:8006::/48 AS12980 EMEA Hosting Autonomous System, NL
2620:122:6000::/44 AS33491 COMCAST-33491, US
2620:127:5002::/48 AS13649 ASN-VINS, US
2620:12c:b131::/48 AS13448 WEBSENSE, US
2801:1a:f00::/48 AS26686 ESCUELA COLOMBIANA DE INGENIERIA JULIO GARAVITO, CO
2801:19c:10::/48 AS14080 Telmex Colombia S.A., CO
2803:1a80::/32 AS28317 BOOMERANG WIRELESS S.A., CR
2803:1b40::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2803:2f40:ffff::/48 AS36351 SOFTLAYER, US
2803:5c40::/32 AS26379 BOOMERANG WIRELESS S.A., CR
2804:324::/32 AS28141 -Reserved AS-, ZZ
2804:324:1::/48 AS26457 Nexfibra Telecomunicacoes Ltda, BR
2804:324:10::/44 AS26457 Nexfibra Telecomunicacoes Ltda, BR
2804:324:20::/44 AS26457 Nexfibra Telecomunicacoes Ltda, BR
2804:16d0::/32 AS52697 -Reserved AS-, ZZ
2804:16d0:fa00::/41 AS52697 -Reserved AS-, ZZ
2804:16d0:fa80::/41 AS52697 -Reserved AS-, ZZ
2804:16d0:fb00::/41 AS52697 -Reserved AS-, ZZ
2804:36cc::/32 AS26637 -Reserved AS-, ZZ
2805:f10:f12::/48 AS26218 Media Networks Latin America SAC, PE
2805:f10:f13::/48 AS26218 Media Networks Latin America SAC, PE
2805:f10:f14::/48 AS26218 Media Networks Latin America SAC, PE
2903:3e0::/32 AS26218 TV AZTECA SUCURSAL COLOMBIA, CO
2b0d:6f84::/30 AS37268
2b0f:9ac0::/30 AS37493 -Reserved AS-, ZZ
2b10:3c84::/30 AS53820 CSUR, CA
2c0f:f590::/32 AS36974 AFNET-AS, CI
2c0f:f7f8::/32 AS3356 LEVEL3, US
2c0f:f7f8::/33 AS3356 LEVEL3, US
2c0f:f7f8:1::/48 AS10753 LVLT-10753, US
2c0f:f7f8:2::/48 AS10753 LVLT-10753, US
2c0f:f7f8:8000::/33 AS3356 LEVEL3, US
Please see https://www.cidr-report.org/v6 for the full report
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