[apops] The CIDR Report
This report has been generated at Fri Oct 1 21:14:45 2021 AEST.
The report analyses the eBGP Routing Table at AS131072
and generates a report on aggregation potential within the table.
Check https://www.cidr-report.org/2.0 for a current version of this report.
Recent Table History
Date PrefixesCIDR Agg
24-09-21894992 496942
25-09-21895740 496864
26-09-21895606 496502
27-09-21895513 496506
28-09-21895728 497410
29-09-21896125 495341
30-09-21895345 494983
01-10-21896252 494987
AS Summary
72251 Number of ASes in routing system
25294 Number of ASes announcing only one prefix
8857 Largest number of prefixes announced by an AS
AS8151 : Uninet S.A. de C.V., MX
210080256 Largest address span announced by an AS (/32s)
AS749 : DNIC-AS-00749, 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. Aggregation is also
proposed across non-advertised address space ('holes').
--- 01Oct21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 896383 495036 40134744.8% All ASes
AS8151 8857 1432 742583.8% Uninet S.A. de C.V., MX
AS9808 8366 1952 641476.7% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS12479 6860 1236 562482.0% UNI2-AS, ES
AS7545 5823 769 505486.8% TPG-INTERNET-AP TPG
Telecom Limited, AU
AS47331 8290 3283 500760.4% TTNET, TR
AS7155 3947 160 378795.9% VIASAT-SP-BACKBONE, US
AS22773 4034 654 338083.8%
ASN-CXA-ALL-CCI-22773-RDC, US
AS39891 3269 44 322598.7% ALJAWWALSTC-AS, SA
AS6327 3370 491 287985.4% SHAW, CA
AS7552 3611 909 270274.8% VIETEL-AS-AP Viettel
Group, VN
AS7713 3527 912 261574.1% TELKOMNET-AS-AP PT
Telekomunikasi Indonesia, ID
AS8551 3291 723 256878.0% BEZEQ-INTERNATIONAL-AS
Bezeqint Internet Backbone,
IL
AS4538 4851 2320 253152.2% ERX-CERNET-BKB China
Education and Research
Network Center, CN
AS16509 5673 3425 224839.6% AMAZON-02, US
AS11492 4705 2515 219046.5% CABLEONE, US
AS9498 2170 260 191088.0% BBIL-AP BHARTI Airtel
Ltd., IN
AS12389 2909 1021 188864.9% ROSTELECOM-AS, RU
AS4755 2124 362 176283.0% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP, IN
AS45090 2127 378 174982.2% CNNIC-TENCENT-NET-AP
Shenzhen Tencent Computer
Systems Company Limited, CN
AS9394 1684 51 163397.0% CTTNET China TieTong
Telecommunications
Corporation, CN
AS45899 3016 1444 157252.1% VNPT-AS-VN VNPT Corp, VN
AS18403 1828 314 151482.8% FPT-AS-AP The Corporation
for Financing & Promoting
Technology, VN
AS24560 1968 484 148475.4% AIRTELBROADBAND-AS-AP
Bharti Airtel Ltd., Telemedia
Services, IN
AS2092531 1131 140055.3%
CENTURYLINK-US-LEGACY-QWEST,
US
AS18566 1965 576 138970.7% MEGAPATH5-, US
AS11830 2495 1207 128851.6% Instituto Costarricense
de Electricidad y Telecom.,
CR
AS23969 1952 739 121362.1% TOT-NET TOT Public
Company Limited, TH
AS45609 1690 500 119070.4% BHARTI-MOBILITY-AS-AP
[apops] The CIDR Report
This report has been generated at Fri Oct 1 21:46:15 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 PrefixesCIDR Agg 24-09-21139530 73195 25-09-21139568 73118 26-09-21139443 73115 27-09-21139421 73334 28-09-21139780 73225 29-09-21139620 72998 30-09-21139847 73206 01-10-21139706 73206 AS Summary 27561 Number of ASes in routing system 18337 Number of ASes announcing only one prefix 3295 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. --- 01Oct21 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 140075734706660547.5% All ASes AS11172 3295 121 317496.3% Alestra, S. de R.L. de C.V., MX AS9808 2813 422 239185.0% CMNET-GD Guangdong Mobile Communication Co.Ltd., CN AS45609 2215 366 184983.5% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS7552 2009 227 178288.7% VIETEL-AS-AP Viettel Group, VN AS17622 2425 648 177773.3% CNCGROUP-GZ China Unicom Guangzhou network, CN AS12479 15954 159199.7% UNI2-AS, ES AS24547 1490 50 144096.6% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS45271 1544 151 139390.2% ICLNET-AS-AP Idea Cellular Limited, IN AS22773 1281 12 126999.1% ASN-CXA-ALL-CCI-22773-RDC, US AS28573 1310 142 116889.2% CLARO S.A., BR AS56046 1058 12 104698.9% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS62240 985 23 96297.7% CLOUVIDER Clouvider - Global ASN, GB AS17623 1431 594 83758.5% CNCGROUP-SZ China Unicom Shenzen network, CN AS56044 966 164 80283.0% CMNET-AS-LIAONING China Mobile communications corporation, CN AS39891 8019 79298.9% ALJAWWALSTC-AS, SA AS4808896 105 79188.3% CHINA169-BJ China Unicom Beijing Province Network, CN AS16509 1767 1016 75142.5% AMAZON-02, US AS18403 888 178 71080.0% FPT-AS-AP The Corporation for Financing & Promoting Technology, VN AS38266 885 254 63171.3% VODAFONE-IN Vodafone India Ltd., IN AS32098 971 367 60462.2% TRANSTELCO-INC, US AS56047 631 40 59193.7% CMNET-HUNAN-AP China Mobile communications corporation, CN AS4134536 34 50293.7% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS20115 539 119 42077.9% CHARTER-20115, US AS8376480 65 41586.5% Jordan Data Communications, JO AS17552 421 11 41097.4% TRUEONLINE-AS-AP True Online, TH AS11664 4105 40598.8% Techtel LMDS Comunicaciones Interactivas S.A., AR AS133612 695 290 405
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 16-Sep-21 -to- 30-Sep-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS204731124435 32.1% 283.0 -- AS-CHOOPA, US 2 - AS58336663129 18.9%2181.3 -- IXTS-AS, CN 3 - AS27951106892 3.0%1875.3 -- Media Commerce Partners S.A, CO 4 - AS21090374925 2.1%4407.4 -- TSINGYAO-AS, CN 5 - AS11172 65686 1.9% 19.9 -- Alestra, S. de R.L. de C.V., MX 6 - AS20875347364 1.4%1393.1 -- NETSIX, IT 7 - AS20590843193 1.2% 14397.7 -- PETERCXY-NETWORKS PeterCxy Networks, DE 8 - AS61665 43012 1.2%5376.5 -- ROMICROS BRASIL LTDA, BR 9 - AS13644038171 1.1% 38171.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 10 - AS31514 36844 1.1% 18422.0 -- INF-NET-AS, RU 11 - AS15133 34278 1.0% 94.4 -- EDGECAST, US 12 - AS26274228476 0.8%2190.5 -- Fundacao Universidade Federal do ABC - UFABC, BR 13 - AS26509822194 0.6%2774.2 -- Oria Eliza Hugo Carrasco-ME, BR 14 - AS26286519993 0.6%2499.1 -- Ired Internet, BR 15 - AS26763818595 0.5% 18595.0 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 16 - AS52817 17338 0.5%1926.4 -- NEWCENTER TELECOM, BR 17 - AS21135816292 0.5%1018.2 -- AS-IPV6GO, IT 18 - AS18403 16155 0.5% 18.0 -- FPT-AS-AP The Corporation for Financing & Promoting Technology, VN 19 - AS12654 15981 0.5% 409.8 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL 20 - AS28201 15881 0.5%2268.7 -- Companhia Itabirana Telecomunicacoes Ltda, BR TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS13644038171 1.1% 38171.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - AS26763818595 0.5% 18595.0 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 3 - AS31514 36844 1.1% 18422.0 -- INF-NET-AS, RU 4 - AS20590843193 1.2% 14397.7 -- PETERCXY-NETWORKS PeterCxy Networks, DE 5 - AS26827510522 0.3% 10522.0 -- GOOD TELECOM PROVEDOR DE INTERNET LTDA, BR 6 - AS212799 8640 0.2%8640.0 -- CYBERNODE-HOST, RO 7 - AS44992 8414 0.2%8414.0 -- NINEPACKET-AS, GB 8 - AS208789 8301 0.2%8301.0 -- SENAT-AS, FR 9 - AS47836 7006 0.2%7006.0 -- ACWEB-AS, RO 10 - AS31649 6683 0.2%6683.0 -- RIPN-FDNS-RU-NYC, RU 11 - AS61665 43012 1.2%5376.5 -- ROMICROS BRASIL LTDA, BR 12 - AS204782 5350 0.1%5350.0 -- MATCOM, PL 13 - AS269360 4723 0.1%4723.0 -- Itamaraju Provedor de Acesso a Internet Informatic, BR 14 - AS268255 4487 0.1%4487.0 -- FIBRANET BRASIL, BR 15 - AS21090374925 2.1%4407.4 -- TSINGYAO-AS, CN 16 - AS52467 4236 0.1%4236.0 -- Universidad de Ibague, CO 17 - AS26955211296 0.3%3765.3 -- NETBRAX SERVICOS E COMUNICACAO MULTIMIDIA LTDA, BR 18 - AS51839 3256 0.1%3256.0 -- QSKILLS, DE 19 - AS267600 8862 0.2%2954.0 -- INFORTEK PROVEDOR, BR 20 - AS51408 2907 0.1%2907.0 -- SIRIUS-AS, RU TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2400:dc40::/3238171 1.0% AS136440 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - 2804:448c::/3218595 0.5% AS267638 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 3 - 2a05:3181::/3218422 0.5% AS31514 -- INF-NET-AS, RU 4 - 2a05:3181::: 18422 0.5% AS31514 -- INF-NET-AS, RU 5 - 2405:4000:800:8: 15657 0.4% AS38082 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 6 - 2a0e:b107:2f0::/ 14429 0.4% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 7 - 2a06:e881:2502:: 14385 0.4% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 8 - 2a0e:b107:2f0::/ 14379 0.4% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 9 - 2a0e:b107:b85::/ 14148 0.4% AS212995 -- TAN-NET, CH 10 - 2801:17:4800::/4 13835 0.3% AS27951 -- Media Commerce Partners S.A, CO 11 - 2a01:9e02::/3213487 0.3% AS41495 -- FAELIX, GB 12 - 2801:172:2::/48 12543 0.3% AS27951 -- Media Commerce Partners S.A, CO 13 - 2801:174:3::/48 12083 0.3% AS27951 -- Media Commerce Partners S.A, CO 14 - 2801:186::/44 12063 0.3% AS27951 -- Media Commerce Partners S.A, CO 15 - 2801:1b6::/44 11962 0.3% AS27951 -- Media Commerce Partners S.A, CO 16 - 2a0d:2582:170::/ 10721 0.3% AS211367 -- PTC, GB 17 - 2804:4ea8::/3210522 0.3% AS268275 -- GOOD TELECOM PROVEDOR DE INTERNET LTDA, BR 18 -
[apops] BGP Update Report
BGP Update Report Interval: 16-Sep-21 -to- 30-Sep-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS8151 174776 1.9% 22.9 -- Uninet S.A. de C.V., MX 2 - AS29571 135225 1.5% 177.2 -- ORANGE-COTE-IVOIRE, CI 3 - AS16509 129603 1.4% 74.1 -- AMAZON-02, US 4 - AS22485 112688 1.2% 11268.8 -- MONTANA-OPTICOM-AS22485, US 5 - AS45899 104494 1.1% 34.6 -- VNPT-AS-VN VNPT Corp, VN 6 - AS36903 79047 0.9% 66.8 -- MT-MPLS, MA 7 - AS771374173 0.8% 21.6 -- TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 8 - AS58224 71144 0.8% 43.8 -- TCI, IR 9 - AS671370968 0.8% 116.9 -- IAM-AS, MA 10 - AS982967553 0.7% 56.3 -- BSNL-NIB National Internet Backbone, IN 11 - AS17794 67085 0.7%4791.8 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 12 - AS13213 57633 0.6% 211.9 -- UK2NET-AS, GB 13 - AS39891 54930 0.6% 19.1 -- ALJAWWALSTC-AS, SA 14 - AS37963 51461 0.6% 12.3 -- CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN 15 - AS47730 48202 0.5% 24101.0 -- JEANDELESTRE, FR 16 - AS18403 46109 0.5% 25.5 -- FPT-AS-AP The Corporation for Financing & Promoting Technology, VN 17 - AS47331 45672 0.5% 5.5 -- TTNET, TR 18 - AS12025 45026 0.5% 395.0 -- IMDC-AS12025, US 19 - AS27871 42327 0.5%5290.9 -- Telecom Argentina S.A., AR 20 - AS754540403 0.4% 6.9 -- TPG-INTERNET-AP TPG Telecom Limited, AU TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS47730 48202 0.5% 24101.0 -- JEANDELESTRE, FR 2 - AS137346 11779 0.1% 11779.0 -- CNI-AS-ID PT Cyber Network Indonesia, ID 3 - AS22485 112688 1.2% 11268.8 -- MONTANA-OPTICOM-AS22485, US 4 - AS135490 20988 0.2% 10494.0 -- BAL-AS-AP Business Automation Ltd., BD 5 - AS2119755676 0.1%5676.0 -- WOHLERT, DE 6 - AS39997 10605 0.1%5302.5 -- GLIC, US 7 - AS27871 42327 0.5%5290.9 -- Telecom Argentina S.A., AR 8 - AS17794 67085 0.7%4791.8 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 9 - AS220624490 0.1%4490.0 -- GEOSTAR, US 10 - AS454944268 0.1%4268.0 -- LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP 11 - AS204629455 0.3%4207.9 -- DNIC-AS-02046, US 12 - AS3285707967 0.1%3983.5 -- Fibrecom-Limited, ZM 13 - AS311043394 0.0%3394.0 -- EVACY, FR 14 - AS3134 9101 0.1%3033.7 -- USAID-ASN, US 15 - AS2654332780 0.0%2780.0 -- FERROPORT LOGISTICA COMERCIAL EXPORTADORA SA, BR 16 - AS26405 28517 0.3%2193.6 -- HDCS, US 17 - AS8987 4113 0.0%2056.5 -- AMAZON EXPANSION, IE 18 - AS268783988 0.0%1994.0 -- TWRS-NYC, US 19 - AS2093057542 0.1%1885.5 -- CFL, LU 20 - AS9264 5341 0.1%1780.3 -- ASNET Academia Sinica, TW TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 197.186.0.0/1533364 0.3% AS37133 -- airtel-tz-as, TZ 2 - 67.211.53.0/2428471 0.3% AS26405 -- HDCS, US 3 - 45.148.160.0/24 24503 0.3% AS47730 -- JEANDELESTRE, FR 4 - 45.148.160.0/22 23699 0.2% AS47730 -- JEANDELESTRE, FR 5 - 64.68.236.0/2222624 0.2% AS13904 -- COSLINK, US 6 - 138.207.67.0/24 22368 0.2% AS12025 -- IMDC-AS12025, US 7 - 138.207.66.0/24 22365 0.2% AS12025 -- IMDC-AS12025, US 8 - 203.145.74.0/24 22352 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 9 - 203.145.78.0/24 22346 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 10 - 202.45.88.0/2422316 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 11 - 103.79.118.0/24 20975 0.2% AS135490 -- BAL-AS-AP Business Automation Ltd., BD 12 - 170.79.222.0/23 18394 0.2% AS263864 -- CLIC RAPIDO TELECOMUNICACAO LTDA, BR 13 - 209.22.66.0/2414686 0.2% AS2046 -- DNIC-AS-02046, US 14 - 209.22.67.0/2414667 0.2% AS2046 -- DNIC-AS-02046, US 15 - 200.110.228.0/24 14520 0.1% AS27871 -- Telecom Argentina S.A., AR 16 - 200.110.229.0/24 14510 0.1% AS27871 -- Telecom Argentina S.A., AR 17 - 199.192.180.0/22 13285 0.1% AS20101 -- MICHWAVE, US 18 - 205.243.72.0/24 13253 0.1% AS22485 -- MONTANA-OPTICOM-AS22485, US 19 - 216.194.128.0/21 13245 0.1% AS27871 -- Telecom Argentina S.A., AR 20 - 206.228.139.0/24 12956 0.1% AS22485 -- MONTANA-OPTICOM-AS22485, US Details at http://bgpupdates.potaroo.net Copies of this report are
[apops] Weekly Global IPv4 Routing Table Report
This is an automated weekly mailing describing the state of the Internet Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-st...@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith . Global IPv4 Routing Table Report 04:00 +10GMT Sat 02 Oct, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary BGP routing table entries examined: 864928 Prefixes after maximum aggregation (per Origin AS): 327395 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 416427 Total ASes present in the Internet Routing Table: 71992 Prefixes per ASN: 12.01 Origin-only ASes present in the Internet Routing Table: 61880 Origin ASes announcing only one prefix: 25516 Transit ASes present in the Internet Routing Table: 10112 Transit-only ASes present in the Internet Routing Table:339 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 35 Prefixes from unregistered ASNs in the Routing Table: 900 Number of instances of unregistered ASNs: 906 Number of 32-bit ASNs allocated by the RIRs: 37393 Number of 32-bit ASNs visible in the Routing Table: 31025 Prefixes from 32-bit ASNs in the Routing Table: 144330 Number of bogon 32-bit ASNs visible in the Routing Table:34 Special use prefixes present in the Routing Table:1 Prefixes being announced from unallocated address space:452 Number of addresses announced to Internet: 3068651008 Equivalent to 182 /8s, 231 /16s and 230 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 287757 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 231738 Total APNIC prefixes after maximum aggregation: 66212 APNIC Deaggregation factor:3.50 Prefixes being announced from the APNIC address blocks: 227075 Unique aggregates announced from the APNIC address blocks:91937 APNIC Region origin ASes present in the Internet Routing Table: 11991 APNIC Prefixes per ASN: 18.94 APNIC Region origin ASes announcing only one prefix: 3418 APNIC Region transit ASes present in the Internet Routing Table: 1671 Average APNIC Region AS path length visible:4.6 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7148 Number of APNIC addresses announced to Internet: 772173696 Equivalent to 46 /8s, 6 /16s and 111 /24s APNIC AS Blocks4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-147769 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary Prefixes being announced by ARIN Region ASes:252764 Total ARIN prefixes after maximum aggregation: 115758 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 252694 Unique aggregates announced from the ARIN address blocks:120568 ARIN Region origin ASes present in the Internet Routing Table:18899 ARIN Prefixes per ASN:
