This report has been generated at Fri Sep 15 21:46:16 2023 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 08-09-23 196531 101009 09-09-23 196368 101067 10-09-23 196483 101195 11-09-23 196544 101348 12-09-23 196579 101407 13-09-23 196532 100074 14-09-23 196697 100354 15-09-23 196877 100354 AS Summary 32065 Number of ASes in routing system 20249 Number of ASes announcing only one prefix 6006 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. --- 15Sep23 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 197082 100584 96498 49.0% All ASes AS11172 6006 1292 4714 78.5% Alestra, S. de R.L. de C.V., MX AS18403 4332 24 4308 99.4% FPT-AS-AP FPT Telecom Company, VN AS9808 4579 1247 3332 72.8% CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN AS7552 2532 6 2526 99.8% VIETEL-AS-AP Viettel Group, VN AS45609 2508 418 2090 83.3% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS60539 2056 15 2041 99.3% HUICAST_TELECOM, HK AS16509 3876 2272 1604 41.4% AMAZON-02, US AS45271 1746 246 1500 85.9% ICLNET-AS-AP Idea Cellular Limited, IN AS12479 1626 234 1392 85.6% UNI2-AS, ES AS39891 1309 62 1247 95.3% ALJAWWALSTC-AS, SA AS28573 1462 226 1236 84.5% Claro NXT Telecomunicacoes Ltda, BR AS62240 1238 78 1160 93.7% CLOUVIDER Clouvider - Global ASN, GB AS22773 1301 167 1134 87.2% ASN-CXA-ALL-CCI-22773-RDC, US AS38266 1500 408 1092 72.8% VIL-AS-AP Vodafone Idea Ltd, IN AS32098 1408 365 1043 74.1% TRANSTELCO-INC, US AS38496 1064 40 1024 96.2% CNI-AS-ID PT Cyber Network Indonesia, ID AS4808 1051 140 911 86.7% CHINA169-BJ China Unicom Beijing Province Network, CN AS56046 1145 235 910 79.5% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS30036 1054 221 833 79.0% MEDIACOM-ENTERPRISE-BUSINESS, US AS24547 1851 1065 786 42.5% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS20115 1253 484 769 61.4% CHARTER-20115, US AS4538 988 295 693 70.1% ERX-CERNET-BKB China Education and Research Network Center, CN AS24432 689 28 661 95.9% AXIATA-ROBI-AS-AP TM International Bangladesh Ltd.Internet service Pro- vider,Gulshan-1,Dhaka-1212, BD AS17853 659 3 656 99.5% LGTELECOM-AS-KR LGTELECOM, KR AS17072 1266 628 638 50.4% TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX AS56167 616 12 604 98.1% PTML-PK Plot No 181-186 Street, PK AS56047 719 120 599 83.3% CMNET-HUNAN-AP China Mobile communications corporation, CN AS4134 605 59 546 90.2% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS131429 614 78 536 87.3% MOBIFONE-AS-VN MOBIFONE Corporation, VN AS26611 562 41 521 92.7% COMUNICACION CELULAR S.A. COMCEL S.A., CO Total 51615 10509 41106 79.6% 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 2001:df7:e200::/48 AS135239 SONALI-AS-IN Sonali Internet Services Pvt Ltd, IN 2002::/16 AS6939 HURRICANE, US 2400:d840:1::/48 AS13813 BROADSOFT-INC-NORTH-AMERICA, US 2400:e800:1000::/36 AS17564 GITN-PCN-AS-AP GITN M Sdn. Bhd., MY 2400:fda6::/32 AS9318 SKB-AS SK Broadband Co Ltd, KR 2401:2106::/48 AS150870 KIMNGAN-VN KIM NGAN TECHNOLOGY TRADING SERVICES CO., LTD, VN 2402:7f40::/32 AS137166 SATNECOM-AS Satellite Netcom Private Limited, IN 2402:8dc0::/32 AS137496 2402:8dc0::/48 AS137496 2402:8dc0:1::/48 AS137496 2402:8dc0:2::/48 AS137496 2402:8dc0:3::/48 AS137496 2402:8dc0:4::/48 AS137496 2402:8dc0:10::/48 AS137496 2402:8dc0:11::/48 AS137496 2402:f880::/32 AS64056 KAZILALLC-AS-AP Kazila LLC, 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 2403:4e00:30b::/48 AS45528 TIKONAIN-AS Tikona Infinet Ltd., IN 2403:6bc0::/32 AS137172 ACNS-AS-IN ALL CONNECT NETWORK SERVICES PRIVATE LIMITED, IN 2404:b980::/35 AS62240 CLOUVIDER Clouvider - Global ASN, GB 2405:3580:1919::/48 AS62240 CLOUVIDER Clouvider - Global ASN, GB 2406:1fc0::/32 AS151203 FIBREUPPTYLTD-AS-AP Fibre Up Pty Ltd, AU 2406:2580::/32 AS397086 LAYER-HOST-HOUSTON, US 2406:f700::/32 AS132837 OTSB-AS-AP Orient Telecoms Sdn. Bhd, MY 2602:ff23:1234::/48 AS398019 DYNU, US 2602:ff42::/36 AS7018 ATT-INTERNET4, US 2605:a80:1::/48 AS13213 UK2NET-AS, GB 2605:36c0:1::/48 AS29944 DATABANK-LATISYS, US 2605:8280::/32 AS36069 CHANUTE, US 2606:2e80::/32 AS63125 -Reserved AS-, ZZ 2606:ae04:8020::/48 AS17224 ATT-CERFNET-BLOCK, US 2607:6780::/32 AS395282 -Reserved AS-, ZZ 2620:0:880::/48 AS29763 -Reserved AS-, ZZ 2620:0:900::/48 AS4185 ATTIS-ASN4185, US 2620:14:8000::/48 AS5080 ARAMCO-AS, US 2620:38:a00::/48 AS22695 PLAYGROUND, US 2620:a0:e0::/48 AS11278 NINTENDO, US 2620:ba:8000::/48 AS2386 INS-AS, US 2620:12c:b131::/48 AS13448 WEBSENSE, US 2620:1e8:3::/48 AS29802 HVC-AS, US 2620:1e8:4::/48 AS29802 HVC-AS, US 2801:c4:38::/48 AS18734 Operbes, S.A. de C.V., MX 2801:16c::/44 AS19429 ETB - Colombia, CO 2801:19c:10::/48 AS14080 Telmex Colombia S.A., CO 2803:2f40:ffff::/48 AS36351 SOFTLAYER, US 2803:6606:4000::/34 AS28075 ARLINK S.A., AR 2803:6606:4000::/48 AS28075 ARLINK S.A., AR 2803:8700:10::/48 AS25577 C4L-AS, GB 2804:558::/32 AS262509 -Reserved AS-, ZZ 2804:15b8::/32 AS52666 -Reserved AS-, ZZ 2804:3880::/32 AS28158 Ampernet Telecomunicacoes Ltda, BR 2804:5f5c:4000::/34 AS268308 VIVA CONNECTION TELECOMUNICACOES LTDA ME, BR 2804:7f3c::/32 AS271675 -Reserved AS-, ZZ 2804:81fc::/32 AS272490 -Reserved AS-, ZZ 2804:85a4::/32 AS272592 -Reserved AS-, ZZ 2805:f10:f12::/48 AS262182 Media Networks Latin America SAC, PE 2805:f10:f13::/48 AS262182 Media Networks Latin America SAC, PE 2805:f10:f14::/48 AS262182 Media Networks Latin America SAC, PE 2a0e:a780::/36 AS16509 AMAZON-02, US 2c0f:f590::/32 AS36974 AFNET-AS, CI Please see https://www.cidr-report.org/v6 for the full report ------------------------------------ Copies of this report are mailed to: apops@apops.net _______________________________________________ Go to the apops mailing list on Orbit -- https://orbit.apnic.net/mailing-list/apops@apops.net Explore https://orbit.apnic.net, where the APNIC community connect, discuss and share information related to Internet addressing and networking. 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