[apops] Weekly Global IPv4 Routing Table Report
This is an automated weekly mailing describing the state of the 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 https://thyme.apnic.net. If you have any comments please contact Philip Smith . IPv4 Routing Table Report 04:00 +10GMT Sat 17 Sep, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary BGP routing table entries examined: 909144 Prefixes after maximum aggregation (per Origin AS): 342561 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 439421 Total ASes present in the Internet Routing Table: 73660 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63260 Origin ASes announcing only one prefix: 26007 Transit ASes present in the Internet Routing Table: 10400 Transit-only ASes present in the Internet Routing Table:404 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1126 Number of instances of unregistered ASNs: 1127 Number of 32-bit ASNs allocated by the RIRs: 40160 Number of 32-bit ASNs visible in the Routing Table: 33360 Prefixes from 32-bit ASNs in the Routing Table: 160068 Number of bogon 32-bit ASNs visible in the Routing Table:10 Special use prefixes present in the Routing Table:1 Prefixes being announced from unallocated address space:616 Number of addresses announced to Internet: 3068824192 Equivalent to 182 /8s, 234 /16s and 138 /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: 99.6 Total number of prefixes smaller than registry allocations: 308727 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 237144 Total APNIC prefixes after maximum aggregation: 67475 APNIC Deaggregation factor:3.51 Prefixes being announced from the APNIC address blocks: 232071 Unique aggregates announced from the APNIC address blocks:96334 APNIC Region origin ASes present in the Internet Routing Table: 12962 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 3743 APNIC Region transit ASes present in the Internet Routing Table: 1754 Average APNIC Region AS path length visible:4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8200 Number of APNIC addresses announced to Internet: 773418240 Equivalent to 46 /8s, 25 /16s and 109 /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, 131072-151865 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:265063 Total ARIN prefixes after maximum aggregation: 121004 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265804 Unique aggregates announced from the ARIN address blocks:128101 ARIN Region origin ASes present in the Internet Routing Table:19054 ARIN Prefixes per ASN:
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 02-Sep-22 -to- 15-Sep-22 (13 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS204731195805 26.8% 182.0 -- AS-CHOOPA, US 2 - AS55303579655 13.0%1183.0 -- EAGLENET-AP 60 Market Square,P.O. Box 364, PH 3 - AS58810192721 4.3% 631.9 -- IZUSCOLTD-BN Britannia House,22,2nd Floor,Cator Road, BN 4 - AS11172187661 4.2% 102.9 -- Alestra, S. de R.L. de C.V., MX 5 - AS27901121813 2.7%4511.6 -- Pacifico Cable SPA., CL 6 - AS7602 92067 2.1%7672.2 -- SPT-AS-VN Saigon Postel Corporation, VN 7 - AS13838255497 1.2%2312.4 -- BRUR-AS-AP Begum Rokeya University, Rangpur, BD 8 - AS21203441160 0.9%5145.0 -- sclrnet.com research net, FR 9 - AS26349935003 0.8% 11667.7 -- Telecom Conectividade, BR 10 - AS9009 33657 0.8% 125.6 -- M247, GB 11 - AS26452531949 0.7%1183.3 -- Coelho Tecnologia, BR 12 - AS17072 30979 0.7% 29.3 -- TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX 13 - AS38082 28694 0.6%4099.1 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 14 - AS26290027031 0.6%3861.6 -- ASAS SOLUCOES DE TELECOMUNICACOES LTDA, BR 15 - AS39474926673 0.6%1778.2 -- EQUINIX-SOLUTION-VALIDATION-CENTER, US 16 - AS32550 26171 0.6% 13085.5 -- EQUINIX-EC-SE, US 17 - AS32629 24391 0.6% 12195.5 -- CITY-OF-CHARLOTTE-ASN, US 18 - AS52257 23997 0.5% 43.3 -- Telconet S.A, EC 19 - AS55666 23007 0.5% 920.3 -- GMEDIA-AS-ID PT Media Sarana Data, ID 20 - AS812 22998 0.5% 112.2 -- ROGERS-COMMUNICATIONS, CA TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS20437817026 0.4% 17026.0 -- WAVESQUID, AU 2 - AS27078516624 0.4% 16624.0 -- PRNET PROVEDOR DE INTERNET LTDA, BR 3 - AS21056415997 0.4% 15997.0 -- SWANTZTER-AS, SE 4 - AS32550 26171 0.6% 13085.5 -- EQUINIX-EC-SE, US 5 - AS20491412446 0.3% 12446.0 -- LABIXE, GB 6 - AS32629 24391 0.6% 12195.5 -- CITY-OF-CHARLOTTE-ASN, US 7 - AS26349935003 0.8% 11667.7 -- Telecom Conectividade, BR 8 - AS20438211172 0.2% 11172.0 -- ANNATEL-, FR 9 - AS49094 9183 0.2%9183.0 -- CHRONOS, TR 10 - AS131112 9070 0.2%9070.0 -- MMTC-AS-ID Sekolah Tinggi Multi Media MMTC Yogyakarta, ID 11 - AS31514 17798 0.4%8899.0 -- INF-NET-AS, RU 12 - AS7602 92067 2.1%7672.2 -- SPT-AS-VN Saigon Postel Corporation, VN 13 - AS271501 7285 0.2%7285.0 -- Antonio Carlos Correia Filho Serv. de Telecom.-ME, BR 14 - AS24474 14309 0.3%7154.5 -- ASNPANYCAST Nepal Internet Exchange NP Anycast, NP 15 - AS31649 6756 0.1%6756.0 -- RIPN-FDNS-RU-NYC, RU 16 - AS139251 6649 0.1%6649.0 -- JAHANGIRNAGAR-AS-AP Jahangirnagar University, BD 17 - AS63961 6638 0.1%6638.0 -- BDREN-UGC-AS-AP Bangladesh Research and Education Network BdREN, BD 18 - AS203974 6616 0.1%6616.0 -- ADS, RO 19 - AS17494 6614 0.1%6614.0 -- BTTB-AS-AP Telecom Operator & Internet Service Provider as well, BD 20 - AS13552413224 0.3%6612.0 -- UNIVERSITYOFDHAKA-AS-AP university of dhaka, BD TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2405:4000:800:8: 28672 0.6% AS38082 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 2 - 2607:f6f0:8001:: 26495 0.6% AS394749 -- EQUINIX-SOLUTION-VALIDATION-CENTER, US 3 - 2607:f6f0:8000:: 26170 0.5% AS32550 -- EQUINIX-EC-SE, US 4 - 2620:0:2f0::/48 24372 0.5% AS32629 -- CITY-OF-CHARLOTTE-ASN, US 5 - 2804:20fc:1b00:: 19376 0.4% AS264525 -- Coelho Tecnologia, BR 6 - 2804:12cc:8000:: 17502 0.4% AS263499 -- Telecom Conectividade, BR 7 - 2804:12cc::/3317455 0.4% AS263499 -- Telecom Conectividade, BR 8 - 2404:3d00:41a8:: 17182 0.4% AS3573 -- ACCENTURE, US 9 - 2a0c:3800:300::/ 17026 0.3% AS204378 -- WAVESQUID, AU 10 - 2804:7160::/3216624 0.3% AS270785 -- PRNET PROVEDOR DE INTERNET LTDA, BR 11 - 2803:c600:f::/48 16398 0.3% AS27901 -- Pacifico Cable SPA., CL 12 - 2803:c600:2::/48 16101 0.3% AS27901 -- Pacifico Cable SPA., CL 13 - 2803:c600:4::/48 16084 0.3% AS27901 -- Pacifico Cable SPA., CL 14 - 2803:c600:5::/48 16075 0.3% AS27901 -- Pacifico Cable SPA., CL 15 - 2803:c600:3::/48 16074 0.3% AS27901 -- Pacifico Cable SPA., CL 16 - 2001:67c:20fc::/ 15997 0.3% AS210564 -- SWANTZTER-AS, SE 17 - 2402:f800::/4815347 0.3% AS7602 -- SPT-AS-VN Saigon Postel Corporation, VN
[apops] BGP Update Report
BGP Update Report Interval: 02-Sep-22 -to- 15-Sep-22 (13 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS16509 230396 2.1% 54.8 -- AMAZON-02, US 2 - AS262673 201325 1.9%1650.2 -- VERO S.A, BR 3 - AS8151 174437 1.6% 16.0 -- Uninet S.A. de C.V., MX 4 - AS53087 120928 1.1%2519.3 -- TELY Ltda., BR 5 - AS9829 105968 1.0% 57.2 -- BSNL-NIB National Internet Backbone, IN 6 - AS262428 93785 0.9%2404.7 -- Link10 - Cataguases Net Ltda, BR 7 - AS958387386 0.8% 131.0 -- SIFY-AS-IN Sify Limited, IN 8 - AS28665 84988 0.8%3035.3 -- Predlink Rede de Telecomuniccoes Ltda, BR 9 - AS28183 76556 0.7%1913.9 -- MICRON LINE SERVICOS DE INFORMATICA LTDA - ME, BR 10 - AS36903 73009 0.7% 64.6 -- MT-MPLS, MA 11 - AS39891 67262 0.6% 19.7 -- ALJAWWALSTC-AS, SA 12 - AS45899 66931 0.6% 24.2 -- VNPT-AS-VN VNPT Corp, VN 13 - AS453861822 0.6% 13.4 -- ERX-CERNET-BKB China Education and Research Network Center, CN 14 - AS28125 60296 0.6%2871.2 -- Elo.Net Tecnologia Ltda. - ME, BR 15 - AS28135 59777 0.6%1245.4 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR 16 - AS53078 56502 0.5%1569.5 -- Acesse Comunicacao Ltda, BR 17 - AS263080 54617 0.5%1820.6 -- GTi TELECOMUNICACOES SA, BR 18 - AS262241 54488 0.5%3892.0 -- COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L., CR 19 - AS53160 54110 0.5%1462.4 -- UNIDASNET COMUNICACOES LTDA, BR 20 - AS12479 53067 0.5% 7.6 -- UNI2-AS, ES TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS210890 21700 0.2% 21700.0 -- AS-IT2GO IT2GO ASN, BE 2 - AS28937 16924 0.2% 16924.0 -- ENERGIT-AS ENERGIT MAIN AS, IT 3 - AS43243 10653 0.1% 10653.0 -- DE-ITEM24, DE 4 - AS271221 10238 0.1% 10238.0 -- Eleve Telecom Provedor de Internet Eireli, BR 5 - AS372078881 0.1%8881.0 -- NNPC, NG 6 - AS2131316085 0.1%6085.0 -- NOLIMIT-AS, PL 7 - AS2701424971 0.1%4971.0 -- Castor Networks Mexico s de rl, MX 8 - AS204629663 0.3%4237.6 -- DNIC-AS-02046, US 9 - AS268632 28171 0.3%4024.4 -- CONNECTION LAN GAMES E INTERNET LTDA - ME, BR 10 - AS262241 54488 0.5%3892.0 -- COOPERATIVA DE ELECTRIFICACION RURAL DE ALFARO RUIZ R.L., CR 11 - AS17794 10904 0.1%3634.7 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 12 - AS2641629859 0.1%3286.3 -- NC BRASIL TELECOM E SERVICOS LTDA- ME, BR 13 - AS1370143246 0.0%3246.0 -- INTERWOOD-AS-AP Interwood Mobel Pvt Ltd, PK 14 - AS2692419522 0.1%3174.0 -- Mauro Gava - ME, BR 15 - AS3283303152 0.0%3152.0 -- ANSII-AS, BF 16 - AS28665 84988 0.8%3035.3 -- Predlink Rede de Telecomuniccoes Ltda, BR 17 - AS2007015777 0.1%2888.5 -- LYSSNA-NJUT-AB, SE 18 - AS28125 60296 0.6%2871.2 -- Elo.Net Tecnologia Ltda. - ME, BR 19 - AS23692 10545 0.1%2636.2 -- ER-ID-AS Estiko Ramanda AS, ID 20 - AS445802609 0.0%2609.0 -- ARECA-BUSINESS-CENTER-AS, RO TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 91.82.90.0/23 30060 0.3% AS12301 -- INVITECH, HU 2 - 67.211.53.0/2422507 0.2% AS26405 -- HDCS, US 3 - 193.56.238.0/24 21700 0.2% AS210890 -- AS-IT2GO IT2GO ASN, BE 4 - 196.46.27.0/2418780 0.2% AS37207 -- NNPC, NG AS37248 -- PHASE3TEL, NG 5 - 64.68.236.0/2218289 0.2% AS13904 -- COSLINK, US 6 - 93.189.208.0/21 16924 0.1% AS28937 -- ENERGIT-AS ENERGIT MAIN AS, IT 7 - 209.22.67.0/2414818 0.1% AS2046 -- DNIC-AS-02046, US 8 - 209.22.66.0/2414789 0.1% AS2046 -- DNIC-AS-02046, US 9 - 186.235.48.0/21 12760 0.1% AS263096 -- Inorpel Ind. Nordestina de Prod. Eletricos Ltda., BR 10 - 131.232.242.0/24 10760 0.1% AS16580 -- ATHABASCA-U, CA 11 - 131.232.71.0/24 10746 0.1% AS16580 -- ATHABASCA-U, CA 12 - 185.82.42.0/2310653 0.1% AS43243 -- DE-ITEM24, DE 13 - 179.49.248.0/22 10238 0.1% AS271221 -- Eleve Telecom Provedor de Internet Eireli, BR 14 - 130.137.108.0/24 9523 0.1% AS16509 -- AMAZON-02, US 15 - 130.137.105.0/24 9397 0.1% AS16509 -- AMAZON-02, US 16 - 130.137.111.0/24 9372 0.1% AS16509 -- AMAZON-02, US 17 - 130.137.130.0/24 9348 0.1% AS16509 -- AMAZON-02, US 18 - 130.137.127.0/24 9320 0.1% AS16509 -- AMAZON-02, US 19 - 130.137.99.0/249280 0.1% AS16509 -- AMAZON-02, US 20 - 130.137.80.0/249250 0.1% AS16509 -- AMAZON-02, US
[apops] The CIDR Report
This report has been generated at Fri Sep 16 21:15:05 2022 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
09-09-22930959 516442
10-09-22931381 515770
11-09-22930694 515214
12-09-22931370 515061
13-09-22931688 514797
14-09-22931849 515085
15-09-22931758 515195
16-09-22931490 514708
AS Summary
73855 Number of ASes in routing system
25770 Number of ASes announcing only one prefix
10918 Largest number of prefixes announced by an AS
AS8151 : Uninet S.A. de C.V., MX
211348992 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').
--- 16Sep22 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 932068 514917 41715144.8% All ASes
AS8151 10918 1686 923284.6% Uninet S.A. de C.V., MX
AS9808 9063 1958 710578.4% CHINAMOBILE-CN China
Mobile Communications Group
Co., Ltd., CN
AS12479 6913 329 658495.2% UNI2-AS, ES
AS7545 5907 1423 448475.9% TPG-INTERNET-AP TPG
Telecom Limited, AU
AS39891 4010 128 388296.8% ALJAWWALSTC-AS, SA
AS7155 3898 159 373995.9% VIASAT-SP-BACKBONE, US
AS8551 3987 248 373993.8% BEZEQ-INTERNATIONAL-AS
Bezeqint Internet Backbone,
IL
AS7713 3516 522 299485.2% TELKOMNET-AS-AP PT
Telekomunikasi Indonesia, ID
AS6327 3464 482 298286.1% SHAW, CA
AS9121 6916 3993 292342.3% TTNET, TR
AS7552 3575 758 281778.8% VIETEL-AS-AP Viettel
Group, VN
AS22773 3846 1134 271270.5%
ASN-CXA-ALL-CCI-22773-RDC, US
AS16509 7167 4507 266037.1% AMAZON-02, US
AS45899 3455 927 252873.2% VNPT-AS-VN VNPT Corp, VN
AS4538 4794 2325 246951.5% ERX-CERNET-BKB China
Education and Research
Network Center, CN
AS9498 2445 260 218589.4% BBIL-AP BHARTI Airtel
Ltd., IN
AS396982 2533 389 214484.6% GOOGLE-CLOUD-PLATFORM, US
AS11492 4542 2440 210246.3% CABLEONE, US
AS4755 2123 245 187888.5% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP, IN
AS12389 2935 1168 176760.2% ROSTELECOM-AS, RU
AS45090 2173 432 174180.1% TENCENT-NET-AP Shenzhen
Tencent Computer Systems
Company Limited, CN
AS24560 2203 519 168476.4% AIRTELBROADBAND-AS-AP
Bharti Airtel Ltd., Telemedia
Services, IN
AS4766 2470 818 165266.9% KIXS-AS-KR Korea Telecom,
KR
AS18403 1901 379 152280.1% FPT-AS-AP FPT Telecom
Company, VN
AS2092348 942 140659.9%
CENTURYLINK-US-LEGACY-QWEST,
US
AS45609 1830 493 133773.1% BHARTI-MOBILITY-AS-AP
Bharti Airtel Ltd. AS for
GPRS Service, IN
AS56047 1590 361 122977.3% CMNET-HUNAN-AP China
Mobile communications
corporation, CN
AS56046 1381 162 121988.3% CMNET-JIANGSU-AP China
[apops] The CIDR Report
This report has been generated at Fri Sep 16 21:46:24 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 PrefixesCIDR Agg 09-09-22161558 86606 10-09-22161912 86533 11-09-22161927 86607 12-09-22162025 86724 13-09-22162032 86802 14-09-22162285 87086 15-09-22162605 87084 16-09-22162767 87084 AS Summary 29579 Number of ASes in routing system 19100 Number of ASes announcing only one prefix 3864 Largest number of prefixes announced by an AS AS9808 : CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN 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. --- 16Sep22 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 162924870057591946.6% All ASes AS9808 3864 527 333786.4% CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN AS7552 21545 214999.8% VIETEL-AS-AP Viettel Group, VN AS45609 2267 432 183580.9% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS11172 1815 136 167992.5% Alestra, S. de R.L. de C.V., MX AS45271 1874 215 165988.5% ICLNET-AS-AP Idea Cellular Limited, IN AS12479 16184 161499.8% UNI2-AS, ES AS28573 1628 192 143688.2% Claro NXT Telecomunicacoes Ltda, BR AS22773 1307 113 119491.4% ASN-CXA-ALL-CCI-22773-RDC, US AS39891 1271 86 118593.2% ALJAWWALSTC-AS, SA AS17622 2551 1455 109643.0% CNCGROUP-GZ China Unicom Guangzhou network, CN AS17623 1510 471 103968.8% CNCGROUP-SZ China Unicom Shenzen network, CN AS62240 1087 63 102494.2% CLOUVIDER Clouvider - Global ASN, GB AS32098 1203 191 101284.1% TRANSTELCO-INC, US AS16509 2429 1418 101141.6% AMAZON-02, US AS56044 970 11 95998.9% CMNET-AS-LIAONING China Mobile communications corporation, CN AS56046 1109 227 88279.5% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS24547 1821 1018 80344.1% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS38266 1138 347 79169.5% VODAFONE-IN Vodafone India Ltd., IN AS23674 7764 77299.5% NAYATEL-PK Nayatel Pvt Ltd, PK AS4808903 177 72680.4% CHINA169-BJ China Unicom Beijing Province Network, CN AS20115 1134 471 66358.5% CHARTER-20115, US AS18403 790 187 60376.3% FPT-AS-AP FPT Telecom Company, VN AS56047 716 117 59983.7% CMNET-HUNAN-AP China Mobile communications corporation, CN AS11664 5545 54999.1% Techtel LMDS Comunicaciones Interactivas S.A., AR AS4134602 62 54089.7% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS17853 4513 44899.3% LGTELECOM-AS-KR
