This report has been generated at Fri May 26 21:46:11 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 19-05-23 186872 99057 20-05-23 186899 99117 21-05-23 186920 98805 22-05-23 186534 98992 23-05-23 186578 99027 24-05-23 186834 99167 25-05-23 187219 99259 26-05-23 187180 99259 AS Summary 31400 Number of ASes in routing system 19968 Number of ASes announcing only one prefix 5479 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. --- 26May23 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 187311 99413 87898 46.9% All ASes AS11172 5479 796 4683 85.5% Alestra, S. de R.L. de C.V., MX AS9808 4467 1194 3273 73.3% CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN AS18403 4134 862 3272 79.1% FPT-AS-AP FPT Telecom Company, VN AS7552 2202 6 2196 99.7% VIETEL-AS-AP Viettel Group, VN AS45609 2461 490 1971 80.1% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS28573 1877 238 1639 87.3% Claro NXT Telecomunicacoes Ltda, BR AS16509 3447 2023 1424 41.3% AMAZON-02, US AS12479 1619 321 1298 80.2% UNI2-AS, ES AS39891 1317 23 1294 98.3% ALJAWWALSTC-AS, SA AS22773 1329 149 1180 88.8% ASN-CXA-ALL-CCI-22773-RDC, US AS62240 1219 65 1154 94.7% CLOUVIDER Clouvider - Global ASN, GB AS45271 1748 617 1131 64.7% ICLNET-AS-AP Idea Cellular Limited, IN AS32098 1346 288 1058 78.6% TRANSTELCO-INC, US AS17623 1448 504 944 65.2% CNCGROUP-SZ China Unicom Shenzen network, CN AS56046 1132 230 902 79.7% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS38266 1301 444 857 65.9% VIL-AS-AP Vodafone Idea Ltd, IN AS17622 2311 1505 806 34.9% CNCGROUP-GZ China Unicom Guangzhou network, CN AS24547 1828 1048 780 42.7% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS4808 908 135 773 85.1% CHINA169-BJ China Unicom Beijing Province Network, CN AS20115 1251 495 756 60.4% CHARTER-20115, US AS56047 718 119 599 83.4% CMNET-HUNAN-AP China Mobile communications corporation, CN AS30036 853 276 577 67.6% MEDIACOM-ENTERPRISE-BUSINESS, US AS4134 605 59 546 90.2% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS61302 586 47 539 92.0% HUIZE_TELECOM Huize Telecom, GB AS131429 611 78 533 87.2% MOBIFONE-AS-VN MOBIFONE Corporation, VN AS23674 526 5 521 99.0% NAYATEL-PK Nayatel Pvt Ltd, PK AS17853 555 43 512 92.3% LGTELECOM-AS-KR LGTELECOM, KR AS11664 637 214 423 66.4% Techtel LMDS Comunicaciones Interactivas S.A., AR AS56044 978 556 422 43.1% CMNET-AS-LIAONING China Mobile communications corporation, CN AS17552 419 9 410 97.9% TRUEONLINE-AS-AP True Online, TH Total 49312 12839 36473 74.0% 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:df5:9a80::/48 AS134458 2002::/16 AS6939 HURRICANE, US 2400:8720:1::/48 AS138032 2400:8720:31::/48 AS138032 2400:8720:ff00::/41 AS138032 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 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 2404:b980::/35 AS62240 CLOUVIDER Clouvider - Global ASN, GB 2405:3580:1919::/48 AS62240 CLOUVIDER Clouvider - Global ASN, GB 2406:2580::/32 AS397086 LAYER-HOST-HOUSTON, US 2602:fcbc::/48 AS14618 AMAZON-AES, US 2602:fcbc:2::/48 AS16509 AMAZON-02, 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 2607:4f40::/32 AS46969 ISD834, US 2607:6780::/32 AS395282 -Reserved AS-, ZZ 2607:ff08::/32 AS13722 DEFAULTROUTE, ZZ 2620:0:880::/48 AS29763 -Reserved AS-, ZZ 2620:0:900::/48 AS4185 ATTIS-ASN4185, 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 2620:13b:d001::/48 AS3549 LVLT-3549, US 2620:13b:d002::/48 AS3549 LVLT-3549, US 2620:1e8:3::/48 AS29802 HVC-AS, US 2620:1e8:4::/48 AS29802 HVC-AS, US 2801:13:a800::/48 AS271809 IGLESIA CRISTIANA DE LOS TESTIGOS DE JEHOVA, CO 2801:c4:38::/48 AS18734 Operbes, S.A. de C.V., MX 2801:c4:92::/48 AS18734 Operbes, S.A. de C.V., MX 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 2804:51c::/32 AS262495 -Reserved AS-, ZZ 2804:51c:7300::/40 AS262495 -Reserved AS-, ZZ 2804:558::/32 AS262509 -Reserved AS-, ZZ 2804:15b8::/32 AS52666 -Reserved AS-, ZZ 2804:5f5c:4000::/34 AS268308 VIVA CONNECTION TELECOMUNICACOES LTDA ME, BR 2804:5f80::/32 AS269104 -Reserved AS-, ZZ 2804:5f80:7100::/40 AS269104 -Reserved AS-, ZZ 2804:66f4:c000::/34 AS269594 -Reserved AS-, ZZ 2804:7f3c::/32 AS271675 -Reserved AS-, ZZ 2804:81fc::/32 AS272490 -Reserved AS-, ZZ 2804:823c::/32 AS272507 -Reserved AS-, ZZ 2804:8914::/32 AS273579 -Reserved AS-, ZZ 2804:8914::/33 AS273579 -Reserved AS-, ZZ 2804:8914:8000::/33 AS273579 -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 2a02:2d9::/32 AS57304 RUBY-AS, RU 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: [email protected] _______________________________________________ Go to the apops mailing list on Orbit -- https://orbit.apnic.net/mailing-list/[email protected] Explore https://orbit.apnic.net, where the APNIC community connect, discuss and share information related to Internet addressing and networking. 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