This report has been generated at Fri Sep 4 21:45:41 2020 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
28-08-20 93966 54778
29-08-20 94008 54762
30-08-20 93932 55046
31-08-20 94042 55052
01-09-20 94079 55091
02-09-20 94097 55181
03-09-20 94210 55320
04-09-20 94321 55320
AS Summary
20459 Number of ASes in routing system
12974 Number of ASes announcing only one prefix
2472 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.
--- 04Sep20 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 94436 55388 39048 41.3% All ASes
AS11172 2472 100 2372 96.0% Alestra, S. de R.L. de C.V.,
MX
AS12479 1466 4 1462 99.7% UNI2-AS, ES
AS45609 1772 332 1440 81.3% BHARTI-MOBILITY-AS-AP Bharti
Airtel Ltd. AS for GPRS
Service, IN
AS28573 1231 123 1108 90.0% CLARO S.A., BR
AS22773 1182 164 1018 86.1% ASN-CXA-ALL-CCI-22773-RDC, US
AS45271 1070 159 911 85.1% ICLNET-AS-AP Idea Cellular
Limited, IN
AS7552 887 4 883 99.5% VIETEL-AS-AP Viettel Group, VN
AS39891 666 7 659 98.9% ALJAWWALSTC-AS, SA
AS16509 1287 777 510 39.6% AMAZON-02, US
AS62240 452 17 435 96.2% CLOUVIDER Clouvider - Global
ASN, GB
AS4134 503 86 417 82.9% CHINANET-BACKBONE
No.31,Jin-rong Street, CN
AS38266 606 207 399 65.8% VODAFONE-IN Vodafone India
Ltd., IN
AS17552 381 22 359 94.2% TRUE-AS-AP True Internet
Co.,Ltd., TH
AS17622 1016 667 349 34.4% CNCGROUP-GZ China Unicom
Guangzhou network, CN
AS13142 379 33 346 91.3% MOBIFONE-AS-VN MOBIFONE
Corporation, VN
AS9829 448 118 330 73.7% BSNL-NIB National Internet
Backbone, IN
AS30036 564 235 329 58.3% MEDIACOM-ENTERPRISE-BUSINESS,
US
AS32098 751 425 326 43.4% TRANSTELCO-INC, US
AS9605 271 13 258 95.2% 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
AS55430 297 44 253 85.2% STARHUB-NGNBN Starhub Ltd, SG
AS20940 663 417 246 37.1% AKAMAI-ASN1, EU
AS54113 774 536 238 30.7% FASTLY, US
AS174 341 115 226 66.3% COGENT-174, US
AS45899 312 88 224 71.8% VNPT-AS-VN VNPT Corp, VN
AS55303 301 80 221 73.4% EAGLENET-AP 60 Market
Square,P.O. Box 364, PH
AS14006 228 12 216 94.7% CHINANET-QINGHAI-AS-AP Qinghai
Telecom, CN
AS13361 383 169 214 55.9% VODAFONE-AS-AP Vodafone
Australia Pty Ltd, AU
AS12252 263 58 205 77.9% America Movil Peru S.A.C., PE
Total 21482 5016 16466 76.7% 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:e800:1000::/36 AS17564 GITN-PCN-AS-AP GITN (M) Sdn. Bhd., MY
2401:160c::/32 AS13309 FUSIONNETWORKS-AS-AP Fusion Networks, NZ
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
2602:ff00::/36 AS23404 RITTERNET, US
2602:ff42::/36 AS7018 ATT-INTERNET4, US
2602:fff1:1::/48 AS22625 IMDC-AS22625, US
2605:a80:1::/48 AS13213 UK2NET-AS, GB
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
2620:97:4000::/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, EU
2620:12c:b131::/48 AS13448 WEBSENSE, US
2800:5b00::/32 AS27975 SYNAPSIS COLOMBIA SAS, CO
2801:19c:10::/48 AS14080 Telmex Colombia S.A., CO
2803:2f40:ffff::/48 AS36351 SOFTLAYER, US
2804:3354::/32 AS26538 -Reserved AS-, ZZ
2804:3354::/33 AS26538 -Reserved AS-, ZZ
2804:3354:8000::/33 AS26538 -Reserved AS-, ZZ
2804:4280::/32 AS26750
2804:4280::/34 AS26750
2804:4280:4000::/34 AS26750
2804:4280:8000::/34 AS26750
2804:4280:c000::/34 AS26750
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
2a04:6d00::/29 AS20050 -Reserved AS-, ZZ
2c0f:f590::/32 AS36974 AFNET-AS, CI
Please see https://www.cidr-report.org/v6 for the full report
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