This report has been generated at Fri Mar 19 21:45:43 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
12-03-21 111243 61355
13-03-21 111709 61373
14-03-21 112092 61446
15-03-21 112409 61694
16-03-21 112738 61612
17-03-21 112642 61644
18-03-21 114400 61709
19-03-21 114629 61709
AS Summary
22098 Number of ASes in routing system
13740 Number of ASes announcing only one prefix
2906 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.
--- 19Mar21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 114340 61740 52600 46.0% All ASes
AS11172 2906 118 2788 95.9% Alestra, S. de R.L. de C.V.,
MX
AS7552 2004 26 1978 98.7% VIETEL-AS-AP Viettel Group, VN
AS45609 2119 261 1858 87.7% BHARTI-MOBILITY-AS-AP Bharti
Airtel Ltd. AS for GPRS
Service, IN
AS12479 1499 4 1495 99.7% UNI2-AS, ES
AS17622 2112 647 1465 69.4% CNCGROUP-GZ China Unicom
Guangzhou network, CN
AS22773 1230 8 1222 99.3% ASN-CXA-ALL-CCI-22773-RDC, US
AS45271 1376 229 1147 83.4% ICLNET-AS-AP Idea Cellular
Limited, IN
AS9808 1894 776 1118 59.0% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS28573 1231 135 1096 89.0% CLARO S.A., BR
AS56046 1059 84 975 92.1% CMNET-JIANGSU-AP China Mobile
communications corporation,
CN
AS39891 792 9 783 98.9% ALJAWWALSTC-AS, SA
AS4808 826 92 734 88.9% CHINA169-BJ China Unicom
Beijing Province Network, CN
AS32098 818 108 710 86.8% TRANSTELCO-INC, US
AS62240 678 32 646 95.3% CLOUVIDER Clouvider - Global
ASN, GB
AS16509 1518 889 629 41.4% AMAZON-02, US
AS38266 802 205 597 74.4% VODAFONE-IN Vodafone India
Ltd., IN
AS33363 692 154 538 77.7% BHN-33363, US
AS4134 525 39 486 92.6% CHINANET-BACKBONE
No.31,Jin-rong Street, CN
AS56047 630 177 453 71.9% CMNET-HUNAN-AP China Mobile
communications corporation,
CN
AS17552 405 16 389 96.0% TRUEONLINE-AS-AP True Online,
TH
AS13142 410 55 355 86.6% MOBIFONE-AS-VN MOBIFONE
Corporation, VN
AS20115 567 224 343 60.5% CHARTER-20115, US
AS13361 575 253 322 56.0% 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 707 428 279 39.5% AKAMAI-ASN1, NL
AS24445 333 55 278 83.5% CMNET-V4HENAN-AS-AP Henan
Mobile Communications
Co.,Ltd, CN
AS11664 278 5 273 98.2% Techtel LMDS Comunicaciones
Interactivas S.A., AR
AS55430 295 27 268 90.8% STARHUB-NGNBN Starhub Ltd, SG
AS17853 270 3 267 98.9% LGTELECOM-AS-KR LGTELECOM, KR
Total 29621 5540 24081 81.3% 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
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
2408:7768::/32 AS27117 Christopher Eduardo Fistarol ME, BR
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
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
2803:4220::/32 AS27843 OPTICAL TECHNOLOGIES S.A.C., PE
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
2804:6a4::/32 AS26259 -Reserved AS-, ZZ
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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