[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 22 Jul, 2023 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: 927100 Prefixes after maximum aggregation (per Origin AS): 351578 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452379 Total ASes present in the Internet Routing Table: 74596 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64039 Origin ASes announcing only one prefix: 26302 Transit ASes present in the Internet Routing Table: 10557 Transit-only ASes present in the Internet Routing Table:450 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN (263725) 64 Prefixes from unregistered ASNs in the Routing Table: 1101 Number of instances of unregistered ASNs: 1103 Number of 32-bit ASNs allocated by the RIRs: 42276 Number of 32-bit ASNs visible in the Routing Table: 34837 Prefixes from 32-bit ASNs in the Routing Table: 173955 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:611 Number of addresses announced to Internet: 3054068736 Equivalent to 182 /8s, 9 /16s and 100 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308840 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 246161 Total APNIC prefixes after maximum aggregation: 70004 APNIC Deaggregation factor:3.52 Prefixes being announced from the APNIC address blocks: 239893 Unique aggregates announced from the APNIC address blocks:98720 APNIC Region origin ASes present in the Internet Routing Table: 13527 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 4004 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible:4.5 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8850 Number of APNIC addresses announced to Internet: 773626240 Equivalent to 46 /8s, 28 /16s and 153 /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, 131072-153913 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:271793 Total ARIN prefixes after maximum aggregation: 123669 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274020 Unique aggregates announced from the ARIN address blocks:130777 ARIN Region origin ASes present in the Internet Routing Table:19095 ARIN Prefixes per ASN:
[apops] The CIDR Report
This report has been generated at Fri Jul 21 21:46:10 2023 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 14-07-23190379 95617 15-07-23191244 95734 16-07-23191372 95631 17-07-23191244 95652 18-07-23191291 95751 19-07-23191374 95676 20-07-23191541 95729 21-07-23191499 95729 AS Summary 31671 Number of ASes in routing system 20088 Number of ASes announcing only one prefix 5720 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. --- 21Jul23 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 190906957839512349.8% All ASes AS11172 5720 794 492686.1% Alestra, S. de R.L. de C.V., MX AS18403 42468 423899.8% FPT-AS-AP FPT Telecom Company, VN AS9808 4532 374 415891.7% CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN AS7552 24786 247299.8% VIETEL-AS-AP Viettel Group, VN AS45609 2499 435 206482.6% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS24547 1830 20 181098.9% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS16509 3739 2144 159542.7% AMAZON-02, US AS45271 1741 239 150286.3% ICLNET-AS-AP Idea Cellular Limited, IN AS28573 1666 234 143286.0% Claro NXT Telecomunicacoes Ltda, BR AS39891 1232 24 120898.1% ALJAWWALSTC-AS, SA AS12479 1621 416 120574.3% UNI2-AS, ES AS22773 1321 167 115487.4% ASN-CXA-ALL-CCI-22773-RDC, US AS62240 1219 66 115394.6% CLOUVIDER Clouvider - Global ASN, GB AS56046 1144 20 112498.3% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS32098 1362 274 108879.9% TRANSTELCO-INC, US AS38496 10779 106899.2% CNI-AS-ID PT Cyber Network Indonesia, ID AS56044 980 19 96198.1% CMNET-AS-LIAONING China Mobile communications corporation, CN AS4808 1050 119 93188.7% CHINA169-BJ China Unicom Beijing Province Network, CN AS38266 1342 446 89666.8% VIL-AS-AP Vodafone Idea Ltd, IN AS20115 1266 522 74458.8% CHARTER-20115, US AS56047 719 46 67393.6% CMNET-HUNAN-AP China Mobile communications corporation, CN AS17853 6355 63099.2% LGTELECOM-AS-KR LGTELECOM, KR AS24432 649 38 61194.1% AXIATA-ROBI-AS-AP TM International Bangladesh Ltd.Internet service Pro- vider,Gulshan-1,Dhaka-1212, BD AS30036 926 315 61166.0% MEDIACOM-ENTERPRISE-BUSINESS, US AS56167 616 12 60498.1%
[apops] BGP Update Report
BGP Update Report Interval: 07-Jul-23 -to- 20-Jul-23 (13 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS16509 277784 2.5% 51.0 -- AMAZON-02, US 2 - AS399077 177266 1.6% 312.1 -- TERAEXCH, US 3 - AS9829 169803 1.6% 93.1 -- BSNL-NIB National Internet Backbone, IN 4 - AS8151 161101 1.5% 14.1 -- UNINET, MX 5 - AS9381 149994 1.4% 321.9 -- HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK 6 - AS39891 125396 1.1% 27.9 -- ALJAWWALSTC-AS, SA 7 - AS64050 81955 0.8% 74.8 -- BCPL-SG BGPNET Global ASN, SG 8 - AS203214 80377 0.7% 78.8 -- HULUMTELE, IQ 9 - AS28571 72521 0.7%1768.8 -- UNIVERSIDADE DE SAO PAULO, BR 10 - AS24863 64876 0.6% 40.3 -- LINKdotNET-AS, EG 11 - AS773858852 0.5% 97.1 -- V tal, BR 12 - AS58224 57946 0.5% 31.5 -- TCI, IR 13 - AS647 50362 0.5% 138.0 -- DNIC-ASBLK-00616-00665, US 14 - AS755247188 0.4% 13.4 -- VIETEL-AS-AP Viettel Group, VN 15 - AS24835 42651 0.4% 27.9 -- RAYA-AS, EG 16 - AS715541764 0.4% 10.0 -- VIASAT-SP-BACKBONE, US 17 - AS11830 41551 0.4% 22.5 -- Instituto Costarricense de Electricidad y Telecom., CR 18 - AS45899 38548 0.3% 12.0 -- VNPT-AS-VN VNPT Corp, VN 19 - AS10620 37472 0.3% 12.3 -- Telmex Colombia S.A., CO 20 - AS262287 37374 0.3% 166.8 -- Latitude.sh LTDA, BR TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS266407 26362 0.2% 26362.0 -- ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR 2 - AS270598 32271 0.3% 16135.5 -- FUSION INTERNET WIFI LTDA, BR 3 - AS270142 13818 0.1% 13818.0 -- Castor Networks Mexico s de rl, MX 4 - AS54429 13481 0.1% 13481.0 -- LOCAL-CONNECTIVITY-LAB, US 5 - AS204622372 0.2% 11186.0 -- DNIC-AS-02046, US 6 - AS47855 10650 0.1% 10650.0 -- PRIME Moscow branch, RU 7 - AS6428 9715 0.1%9715.0 -- CDM, US 8 - AS265566 32883 0.3%8220.8 -- TELESISTEMAS PENINSULARES SA DE CV, MX 9 - AS17794 21781 0.2%7260.3 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 10 - AS583196803 0.1%6803.0 -- KAZAKOV-AS, RU 11 - AS265478 19813 0.2%6604.3 -- Instituto Presbiteriano Mackenzie, BR 12 - AS50276 11210 0.1%5605.0 -- MUCTR, RU 13 - AS963 5225 0.1%5225.0 -- BLINKOH-LLC, US 14 - AS26405 23917 0.2%4783.4 -- HDCS, US 15 - AS2098568798 0.1%4399.0 -- SOFT-TEHNICA, RO 16 - AS454944165 0.0%4165.0 -- LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP 17 - AS270740 21771 0.2%3628.5 -- HRA DESOUZA ME, BR 18 - AS2603 2813 0.0%2813.0 -- NORDUNET, DK 19 - AS2111772720 0.0%2720.0 -- MET-PIT-EN-CO-BV, NL 20 - AS637692705 0.0%2705.0 -- CICTBKN-AS-VN Information and Communication Technology Center of Bac Kan Province, VN TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 129.134.136.0/24 34586 0.3% AS63293 -- FACEBOOK-OFFNET, US 2 - 45.172.92.0/2232821 0.3% AS265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX 3 - 186.219.224.0/22 32261 0.3% AS270598 -- FUSION INTERNET WIFI LTDA, BR 4 - 69.28.87.0/24 31183 0.3% AS6364 -- ATLANTIC-NET-1, US 5 - 103.248.132.0/22 30992 0.3% AS132829 -- NCPL-AS-AP Nevigate Communications S Pte Ltd, SG 6 - 41.209.0.0/18 27413 0.2% AS9129 -- KE-NET2000, ZA 7 - 170.238.225.0/24 26362 0.2% AS266407 -- ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR 8 - 67.211.53.0/2423909 0.2% AS26405 -- HDCS, US 9 - 168.197.94.0/23 19762 0.2% AS265478 -- Instituto Presbiteriano Mackenzie, BR 10 - 103.223.2.0/2414318 0.1% AS135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID 11 - 45.183.178.0/24 13818 0.1% AS270142 -- Castor Networks Mexico s de rl, MX 12 - 23.146.168.0/24 13481 0.1% AS54429 -- LOCAL-CONNECTIVITY-LAB, US 13 - 143.45.112.0/24 13058 0.1% AS1649 -- DNIC-AS-01649, US 14 - 181.225.43.0/24 11497 0.1% AS8053 -- IFX Networks Venezuela C.A., VE 15 - 209.22.67.0/2411187 0.1% AS2046 -- DNIC-AS-02046, US 16 - 209.22.66.0/2411185 0.1% AS2046 -- DNIC-AS-02046, US 17 - 181.225.48.0/24 11170 0.1% AS8053 -- IFX Networks Venezuela C.A., VE 18 - 185.18.201.0/24 10650 0.1% AS47855 -- PRIME Moscow branch, RU 19 - 130.137.12.0/24 10354 0.1% AS16509 -- AMAZON-02, US 20 - 207.244.192.0/22 9715 0.1% AS6428 -- CDM, US Details at http://bgpupdates.potaroo.net
[apops] The CIDR Report
This report has been generated at Fri Jul 21 21:05:27 2023 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
14-07-23932335 507225
15-07-23932169 507193
16-07-23932126 507442
17-07-23932168 507670
18-07-23932282 509189
19-07-23932623 509060
20-07-23932441 508422
21-07-23932394 509067
AS Summary
74748 Number of ASes in routing system
26518 Number of ASes announcing only one prefix
11619 Largest number of prefixes announced by an AS
AS8151 : UNINET, MX
228690944 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').
--- 21Jul23 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 932513 509020 42349345.4% All ASes
AS9808 9527 1298 822986.4% CHINAMOBILE-CN China
Mobile Communications Group
Co., Ltd., CN
AS8151 11619 3801 781867.3% UNINET, MX
AS39891 4897 85 481298.3% ALJAWWALSTC-AS, SA
AS7155 4194 122 407297.1% VIASAT-SP-BACKBONE, US
AS12479 7300 3241 405955.6% UNI2-AS, ES
AS18403 4243 382 386191.0% FPT-AS-AP FPT Telecom
Company, VN
AS7545 5684 1908 377666.4% TPG-INTERNET-AP TPG
Telecom Limited, AU
AS16509 8696 4974 372242.8% AMAZON-02, US
AS7713 3589 108 348197.0% TELKOMNET-AS-AP PT
Telekomunikasi Indonesia, ID
AS6327 3526 69 345798.0% SHAW, CA
AS7552 3630 180 345095.0% VIETEL-AS-AP Viettel
Group, VN
AS8551 3461 185 327694.7% BEZEQ-INTERNATIONAL-AS
Bezeqint Internet Backbone,
IL
AS22773 3546 328 321890.8%
ASN-CXA-ALL-CCI-22773-RDC, US
AS9498 3048 263 278591.4% BBIL-AP BHARTI Airtel
Ltd., IN
AS4538 4941 2500 244149.4% ERX-CERNET-BKB China
Education and Research
Network Center, CN
AS396982 2678 428 225084.0% GOOGLE-CLOUD-PLATFORM, US
AS8452 2448 335 211386.3% TE-AS TE-AS, EG
AS11492 4516 2459 205745.5% CABLEONE, US
AS12389 2964 987 197766.7% ROSTELECOM-AS, RU
AS4755 2180 230 195089.4% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP, IN
AS24560 2452 572 188076.7% AIRTELBROADBAND-AS-AP
Bharti Airtel Ltd., Telemedia
Services, IN
AS45090 2185 436 174980.0% TENCENT-NET-AP Shenzhen
Tencent Computer Systems
Company Limited, CN
AS45899 3381 1673 170850.5% VNPT-AS-VN VNPT Corp, VN
AS11830 2088 435 165379.2% Instituto Costarricense
de Electricidad y Telecom.,
CR
AS11776 1798 277 152184.6% ATLANTICBB-JOHNSTOWN, US
AS56047 1528 44 148497.1% CMNET-HUNAN-AP China
Mobile communications
corporation, CN
AS2092375 893 148262.4%
CENTURYLINK-US-LEGACY-QWEST,
US
AS3672767 1336 143151.7% DNIC-ASBLK-00306-00371,
US
AS13999 2410 999 141158.5% Me
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 07-Jul-23 -to- 20-Jul-23 (13 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS202256 212479 6.5% 221.3 -- LAWLIETNET, CN 2 - AS7602 196425 6.0% 15109.6 -- SPT-AS-VN Sai gon Postel Corporation, VN 3 - AS56167170951 5.2% 277.5 -- PTML-PK Plot No 181-186 Street, PK 4 - AS38496111373 3.4% 103.4 -- CNI-AS-ID PT Cyber Network Indonesia, ID 5 - AS53667 97574 3.0% 85.4 -- PONYNET, US 6 - AS27260593556 2.9%5197.6 -- G4 FIBRA, BR 7 - AS18403 80347 2.5% 18.5 -- FPT-AS-AP FPT Telecom Company, VN 8 - AS20473 75783 2.3% 171.8 -- AS-CHOOPA, US 9 - AS28573 49060 1.5% 29.3 -- Claro NXT Telecomunicacoes Ltda, BR 10 - AS9009 49022 1.5% 156.1 -- M247, RO 11 - AS27103442279 1.3% 10569.8 -- GM Telecom LTDA, BR 12 - AS61592 37898 1.2% 421.1 -- FORTLINK INTERNET CORPORATIVA, BR 13 - AS26452534323 1.1%1560.1 -- Coelho Tecnologia, BR 14 - AS26835531748 1.0% 15874.0 -- RESENDE & GONCALVES SERVICOS E INTERNET LTDA, BR 15 - AS26349931087 0.9% 10362.3 -- Telecom Conectividade, BR 16 - AS7545 30462 0.9% 12.4 -- TPG-INTERNET-AP TPG Telecom Limited, AU 17 - AS21038429712 0.9%2971.2 -- KUDOS-AS, TW 18 - AS20561029592 0.9%3699.0 -- JAMESITS Jamesits Networks , CN 19 - AS19180 29542 0.9% 29542.0 -- AMERICATEL PERU S.A., PE 20 - AS13780 24326 0.8%2432.6 -- MILEHIGHWALRUS-NETWORK, US TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS19180 29542 0.9% 29542.0 -- AMERICATEL PERU S.A., PE 2 - AS27266822693 0.7% 22693.0 -- COOPER NET TELECON INSTALACOES TELECOMUNICACOES, BR 3 - AS26835531748 1.0% 15874.0 -- RESENDE & GONCALVES SERVICOS E INTERNET LTDA, BR 4 - AS7602 196425 6.0% 15109.6 -- SPT-AS-VN Sai gon Postel Corporation, VN 5 - AS15040413431 0.4% 13431.0 -- THUNDER-AS-AP Thunder Network Limited, HK 6 - AS54429 13338 0.4% 13338.0 -- LOCAL-CONNECTIVITY-LAB, US 7 - AS20119612411 0.4% 12411.0 -- BERMOND-AS, VG 8 - AS27103442279 1.3% 10569.8 -- GM Telecom LTDA, BR 9 - AS26349931087 0.9% 10362.3 -- Telecom Conectividade, BR 10 - AS20438210345 0.3% 10345.0 -- ANNATEL-, FR 11 - AS20656924304 0.8%8101.3 -- PAULHENRI-ZIMMERLIN, FR 12 - AS139921 7670 0.2%7670.0 -- UNIXFY-AS Unixfy, SG 13 - AS20088214864 0.5%7432.0 -- SAHIL-S-NETWORK, US 14 - AS272439 6923 0.2%6923.0 -- Ussenet Telecom, BR 15 - AS53115 13554 0.4%6777.0 -- ISPX Solucoes em Telecomunicacoes SPE Ltda, BR 16 - AS268492 6219 0.2%6219.0 -- jeronimo luan gomes da silva, BR 17 - AS267350 5846 0.2%5846.0 -- Go INTERNET E TELECOM LTDA ME, BR 18 - AS5385 22615 0.7%5653.8 -- RUSSMEDIA-IT, AT 19 - AS139981 5467 0.2%5467.0 -- MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID 20 - AS27260593556 2.9%5197.6 -- G4 FIBRA, BR TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2804:4fe0::/3231747 0.9% AS268355 -- RESENDE & GONCALVES SERVICOS E INTERNET LTDA, BR 2 - 2001:1380:2000:: 29542 0.8% AS19180 -- AMERICATEL PERU S.A., PE 3 - 2804:86d0::/3222693 0.6% AS272668 -- COOPER NET TELECON INSTALACOES TELECOMUNICACOES, BR 4 - 2a0a:2f40::/3222587 0.6% AS5385 -- RUSSMEDIA-IT, AT 5 - 2804:20fc:1b00:: 18698 0.5% AS264525 -- Coelho Tecnologia, BR 6 - 2402:f800::/3216911 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 7 - 2402:f800:ff00:: 16781 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 8 - 2402:f800::: 16778 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 9 - 2402:f800:ef00:: 16778 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 10 - 2402:f800:df00:: 16777 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 11 - 2402:f800:cf00:: 16765 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 12 - 2402:f800::/4816762 0.5% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 13 - 2402:f800:df00:: 15791 0.4% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 14 - 2402:f800:cf00:: 15777 0.4% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 15 - 2402:f800:ff00:: 15774 0.4% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 16 - 2402:f800::/4015765 0.4% AS7602 -- SPT-AS-VN Sai gon Postel Corporation, VN 17 - 2402:f800:ef00:: 15763 0.4% AS7602 -- SPT-AS-VN Sa
