This report has been generated at Fri Apr 23 21:45:52 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
16-04-21 120598 63802
17-04-21 120835 63810
18-04-21 120761 63843
19-04-21 120944 61571
20-04-21 121023 61674
21-04-21 121067 61742
22-04-21 121089 61492
23-04-21 121429 61492
AS Summary
22372 Number of ASes in routing system
13873 Number of ASes announcing only one prefix
2979 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.
--- 23Apr21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 121666 61615 60051 49.4% All ASes
AS11172 2979 119 2860 96.0% Alestra, S. de R.L. de C.V.,
MX
AS7552 2033 17 2016 99.2% VIETEL-AS-AP Viettel Group, VN
AS17622 2324 459 1865 80.2% CNCGROUP-GZ China Unicom
Guangzhou network, CN
AS45609 2127 341 1786 84.0% BHARTI-MOBILITY-AS-AP Bharti
Airtel Ltd. AS for GPRS
Service, IN
AS9808 2192 582 1610 73.4% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS12479 1532 4 1528 99.7% UNI2-AS, ES
AS24547 1516 171 1345 88.7% CMNET-V4HEBEI-AS-AP Hebei
Mobile Communication Company
Limited, CN
AS45271 1376 133 1243 90.3% ICLNET-AS-AP Idea Cellular
Limited, IN
AS22773 1232 10 1222 99.2% ASN-CXA-ALL-CCI-22773-RDC, US
AS28573 1216 139 1077 88.6% CLARO S.A., BR
AS56046 1060 13 1047 98.8% CMNET-JIANGSU-AP China Mobile
communications corporation,
CN
AS39891 793 9 784 98.9% ALJAWWALSTC-AS, SA
AS4808 821 89 732 89.2% CHINA169-BJ China Unicom
Beijing Province Network, CN
AS18403 866 135 731 84.4% FPT-AS-AP The Corporation for
Financing & Promoting
Technology, VN
AS32098 837 108 729 87.1% TRANSTELCO-INC, US
AS62240 742 38 704 94.9% CLOUVIDER Clouvider - Global
ASN, GB
AS16509 1528 868 660 43.2% AMAZON-02, US
AS33363 691 49 642 92.9% BHN-33363, US
AS38266 837 230 607 72.5% VODAFONE-IN Vodafone India
Ltd., IN
AS56044 656 55 601 91.6% CMNET-AS-LIAONING China Mobile
communications corporation,
CN
AS56047 630 40 590 93.7% CMNET-HUNAN-AP China Mobile
communications corporation,
CN
AS20115 597 109 488 81.7% CHARTER-20115, US
AS4134 526 40 486 92.4% CHINANET-BACKBONE
No.31,Jin-rong Street, CN
AS30036 592 170 422 71.3% MEDIACOM-ENTERPRISE-BUSINESS,
US
AS17552 413 14 399 96.6% TRUEONLINE-AS-AP True Online,
TH
AS13361 573 207 366 63.9% VODAFONE-AS-AP Vodafone
Australia Pty Ltd, AU
AS56041 378 31 347 91.8% CMNET-ZHEJIANG-AP China Mobile
communications corporation,
CN
AS8376 445 100 345 77.5% Jordan Data Communications, JO
AS13142 403 59 344 85.4% MOBIFONE-AS-VN MOBIFONE
Corporation, VN
AS11664 348 5 343 98.6% Techtel LMDS Comunicaciones
Interactivas S.A., AR
Total 32263 4344 27919 86.5% 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:df0:469::/48 AS9822 AMNET-AU-AP Amnet IT Services Pty Ltd, AU
2001:df5:5c00::/48 AS9649 MOPH-TH-AP Information Technology Office, SG
2001:43f8:720::/48 AS37603 GameZone-AS, AO
2001:43f8:7d0::/48 AS37591 -Reserved AS-, ZZ
2001:43f8:ac0::/48 AS37356 Huge-Networks, ZA
2002::/16 AS6939 HURRICANE, US
2004:2:da0::/48 AS1239 SPRINTLINK, US
2004:2:da1::/48 AS1239 SPRINTLINK, US
2004:2:da2::/48 AS1239 SPRINTLINK, US
2004:2:da3::/48 AS1239 SPRINTLINK, 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
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 AS39848 REDMERCURY, 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
2620:103:d001::/48 AS32029 -Reserved AS-, ZZ
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
2804:324:10::/44 AS26457 -Reserved AS-, ZZ
2804:324:20::/44 AS26457 -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
2804:16e8::/32 AS26310 -Reserved AS-, ZZ
2804:21d0::/32 AS26457 -Reserved AS-, ZZ
2804:21d0:1010::/44 AS26457 -Reserved AS-, ZZ
2804:21d0:1020::/44 AS26457 -Reserved AS-, ZZ
2804:2ca8::/32 AS26523 -Reserved AS-, ZZ
2804:31f8::/32 AS26504 -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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