This report has been generated at Fri May 20 21:46:25 2022 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
13-05-22 155532 83431
14-05-22 155493 83378
15-05-22 155386 83333
16-05-22 155390 83460
17-05-22 155478 83426
18-05-22 155429 79777
19-05-22 155560 79100
20-05-22 155921 79100
AS Summary
28895 Number of ASes in routing system
18873 Number of ASes announcing only one prefix
3775 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.
--- 20May22 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 155984 79303 76681 49.2% All ASes
AS11172 3775 130 3645 96.6% Alestra, S. de R.L. de
C.V., MX
AS9808 3222 507 2715 84.3% CHINAMOBILE-CN China
Mobile Communications Group
Co., Ltd., CN
AS7552 2163 5 2158 99.8% VIETEL-AS-AP Viettel
Group, VN
AS45609 2269 322 1947 85.8% BHARTI-MOBILITY-AS-AP
Bharti Airtel Ltd. AS for
GPRS Service, IN
AS17622 2424 650 1774 73.2% CNCGROUP-GZ China Unicom
Guangzhou network, CN
AS45271 1807 180 1627 90.0% ICLNET-AS-AP Idea
Cellular Limited, IN
AS12479 1611 4 1607 99.8% UNI2-AS, ES
AS24547 1514 16 1498 98.9% CMNET-V4HEBEI-AS-AP Hebei
Mobile Communication Company
Limited, CN
AS22773 1272 18 1254 98.6%
ASN-CXA-ALL-CCI-22773-RDC, US
AS28573 1380 162 1218 88.3% CLARO S.A., BR
AS62240 1146 67 1079 94.2% CLOUVIDER Clouvider -
Global ASN, GB
AS56046 1067 8 1059 99.3% CMNET-JIANGSU-AP China
Mobile communications
corporation, CN
AS32098 1103 110 993 90.0% TRANSTELCO-INC, US
AS39891 1015 57 958 94.4% ALJAWWALSTC-AS, SA
AS56044 967 10 957 99.0% CMNET-AS-LIAONING China
Mobile communications
corporation, CN
AS16509 2156 1222 934 43.3% AMAZON-02, US
AS18403 881 11 870 98.8% FPT-AS-AP FPT Telecom
Company, VN
AS17623 1438 594 844 58.7% CNCGROUP-SZ China Unicom
Shenzen network, CN
AS38266 1079 239 840 77.8% VODAFONE-IN Vodafone
India Ltd., IN
AS4808 901 113 788 87.5% CHINA169-BJ China Unicom
Beijing Province Network, CN
AS36492 796 180 616 77.4% GOOGLEWIFI, US
AS56047 642 41 601 93.6% CMNET-HUNAN-AP China
Mobile communications
corporation, CN
AS20115 1003 418 585 58.3% CHARTER-20115, US
AS4134 603 30 573 95.0% CHINANET-BACKBONE
No.31,Jin-rong Street, CN
AS133612 737 176 561 76.1% VODAFONE-AS-AP Vodafone
Australia Pty Ltd, AU
AS11664 483 5 478 99.0% Techtel LMDS
Comunicaciones Interactivas
S.A., AR
AS24445 488 20 468 95.9% CMNET-V4HENAN-AS-AP Henan
Mobile Communications
Co.,Ltd, CN
AS30036 634 197 437 68.9%
MEDIACOM-ENTERPRISE-BUSINESS,
US
AS52257 688 257 431 62.6% Telconet S.A, EC
AS17853 426 3 423 99.3% LGTELECOM-AS-KR
LGTELECOM, KR
Total 39690 5752 33938 85.5% 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:df3:a280::/48 AS16509 AMAZON-02, US
2001:df5:5c00::/48 AS9649 MOPH-TH-AP Information Technology Office, SG
2001:df6:b981::/48 AS136969 KKNETWROK-AS-AP KK Networks Pvt Ltd., PK
2001:43f8:ac0::/48 AS37356 Huge-Networks, ZA
2002::/16 AS6939 HURRICANE, US
2006:75c0::/32 AS400010 R-TECH-ISP, US
2400:e800:1000::/36 AS17564 GITN-PCN-AS-AP GITN M Sdn. Bhd., MY
2401:160c::/32 AS133090 FUSIONNETWORKS-AS-AP Fusion Networks, NZ
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
2403:4e00:302::/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:c880::/31 AS7363 -Reserved AS-, ZZ
2404:b980::/35 AS62240 CLOUVIDER Clouvider - Global ASN, GB
2404:e601::/48 AS132805 SINGTEL-AS-SCSGKC23 Singapore Telecommunications Limited, SG
2406:2580::/32 AS397086 LAYER-HOST-HOUSTON, US
2450:1740:1::/48 AS140079 GARMININTERNATIONAL-AS-AP Garmin International Inc, TW
2600:26c6:8::/48 AS20115 CHARTER-20115, US
2602:fb6a:100::/48 AS400172 RACKORBIT, US
2602:fb6a:101::/48 AS400172 RACKORBIT, US
2602:fb6a:110::/48 AS14618 AMAZON-AES, US
2602:fcbc::/48 AS14618 AMAZON-AES, US
2602:fcbc:2::/48 AS16509 AMAZON-02, US
2605:a80:1::/48 AS13213 UK2NET-AS, GB
2605:66c5::/32 AS53820 CSUR, CA
2605:66c6::/32 AS53820 CSUR, CA
2605:66c7::/32 AS53820 CSUR, CA
2605:d7c0::/32 AS207976 V6NETWORKING, US
2605:d7c1::/32 AS53820 CSUR, CA
2605:d7c2::/32 AS53820 CSUR, CA
2605:d7c3::/32 AS53820 CSUR, CA
2605:d7c4::/32 AS53820 CSUR, CA
2605:d7c5::/32 AS53820 CSUR, CA
2605:d7c6::/32 AS53820 CSUR, CA
2605:d7c7::/32 AS53820 CSUR, CA
2606:8f80:1::/48 AS6327 SHAW, CA
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 AS18604 -Reserved AS-, ZZ
2620:ba:8000::/48 AS2386 INS-AS, US
2620:12c:b131::/48 AS13448 WEBSENSE, US
2620:12e:2003::/48 AS42567 MOJHOST-EU, NL
2801:19c:10::/48 AS14080 Telmex Colombia S.A., CO
2803:1320::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2803:1b40::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2803:2f40:ffff::/48 AS36351 SOFTLAYER, US
2803:4220::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2803:5c40::/32 AS263796 NAVEGALO S.A., CR
2803:8220::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2803:8700:10::/48 AS25577 C4L-AS, GB
2803:8e20::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
2804:260::/32 AS53214 -Reserved AS-, ZZ
2804:260::/33 AS53214 -Reserved AS-, ZZ
2804:260:8000::/33 AS53214 -Reserved AS-, ZZ
2804:1018::/32 AS263619 -Reserved AS-, ZZ
2804:1028::/32 AS263622 -Reserved AS-, ZZ
2804:1060::/32 AS28198 SEMPRE TELECOMUNICACOES LTDA, BR
2804:2168::/32 AS53199 -Reserved AS-, ZZ
2804:324c::/32 AS265068 -Reserved AS-, ZZ
2804:32a0:c000::/34 AS271265 TUDO ON TELECOMUNICACOES, BR
2804:3ae4::/32 AS266116 -Reserved AS-, ZZ
2804:56d8::/32 AS268027 -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
2b0d:6f84::/30 AS37268
2b10:3c84::/30 AS53820 CSUR, CA
2c0f:5880::/32 AS328437 Link-Up-Wireless-AS, ZA
2c0f:f590::/32 AS36974 AFNET-AS, CI
Please see https://www.cidr-report.org/v6 for the full report
------------------------------------
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