[apops] Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet 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 . Routing Table Report 04:00 +10GMT Sat 04 Sep, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary BGP routing table entries examined: 861383 Prefixes after maximum aggregation (per Origin AS): 325835 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 413595 Total ASes present in the Internet Routing Table: 71886 Prefixes per ASN: 11.98 Origin-only ASes present in the Internet Routing Table: 61764 Origin ASes announcing only one prefix: 25516 Transit ASes present in the Internet Routing Table: 10122 Transit-only ASes present in the Internet Routing Table:327 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (141827) 33 Prefixes from unregistered ASNs in the Routing Table: 1198 Number of instances of unregistered ASNs: 1203 Number of 32-bit ASNs allocated by the RIRs: 37120 Number of 32-bit ASNs visible in the Routing Table: 30836 Prefixes from 32-bit ASNs in the Routing Table: 143295 Number of bogon 32-bit ASNs visible in the Routing Table:26 Special use prefixes present in the Routing Table:1 Prefixes being announced from unallocated address space:474 Number of addresses announced to Internet: 3037773184 Equivalent to 181 /8s, 16 /16s and 189 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 285963 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 231406 Total APNIC prefixes after maximum aggregation: 66017 APNIC Deaggregation factor:3.51 Prefixes being announced from the APNIC address blocks: 226886 Unique aggregates announced from the APNIC address blocks:90889 APNIC Region origin ASes present in the Internet Routing Table: 11911 APNIC Prefixes per ASN: 19.05 APNIC Region origin ASes announcing only one prefix: 3384 APNIC Region transit ASes present in the Internet Routing Table: 1680 Average APNIC Region AS path length visible:4.5 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7061 Number of APNIC addresses announced to Internet: 772799232 Equivalent to 46 /8s, 15 /16s and 251 /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:251706 Total ARIN prefixes after maximum aggregation: 115063 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 251565 Unique aggregates announced from the ARIN address blocks:119692 ARIN Region origin ASes present in the Internet Routing Table:18899 ARIN Prefixes per ASN:13.31 ARIN Regio
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 19-Aug-21 -to- 02-Sep-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS20473863101 26.6% 237.6 -- AS-CHOOPA, US 2 - AS27951174483 5.4%3061.1 -- Media Commerce Partners S.A, CO 3 - AS11172101573 3.1% 31.7 -- Alestra, S. de R.L. de C.V., MX 4 - AS20875376715 2.4%2397.3 -- NETSIX, IT 5 - AS20590876349 2.4% 12724.8 -- PETERCXY-NETWORKS PeterCxy Networks, DE 6 - AS21219655541 1.7%6171.2 -- PIEKACZ, GB 7 - AS41495 51817 1.6% 10363.4 -- FAELIX, GB 8 - AS21187046015 1.4% 15338.3 -- WALTHER-IT, AT 9 - AS13644039290 1.2% 39290.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 10 - AS31514 38926 1.2% 19463.0 -- INF-NET-AS, RU 11 - AS26509838671 1.2%5524.4 -- Oria Eliza Hugo Carrasco-ME, BR 12 - AS12208 29404 0.9%1633.6 -- TRUVISTA, US 13 - AS26274228540 0.9%2195.4 -- Fundacao Universidade Federal do ABC - UFABC, BR 14 - AS38082 27871 0.9%3483.9 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 15 - AS4812 27742 0.9% 280.2 -- CHINANET-SH-AP China Telecom Group, CN 16 - AS14093825673 0.8%1351.2 -- MNIHYC-AS-AP mnihyc Network Global, HK 17 - AS14264225637 0.8% 12818.5 -- ATONAL-AS-AP Atonal System, CN 18 - AS46050 24699 0.8% 24699.0 -- JOGJACAMP-AS-ID PT JC Indonesia, ID 19 - AS26655124439 0.8%1879.9 -- CONEXAOBA PROVEDOR DE INTERNET, BR 20 - AS38526 24091 0.7%8030.3 -- IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS13644039290 1.2% 39290.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - AS46050 24699 0.8% 24699.0 -- JOGJACAMP-AS-ID PT JC Indonesia, ID 3 - AS26763820021 0.6% 20021.0 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 4 - AS59151 19968 0.6% 19968.0 -- IDNIC-JOGJAPROV-AS-ID Bidang Layanan Teknologi dan Informasi Dinas Perhubungan, ID 5 - AS26827519705 0.6% 19705.0 -- GOOD TELECOM PROVEDOR DE INTERNET LTDA, BR 6 - AS31514 38926 1.2% 19463.0 -- INF-NET-AS, RU 7 - AS26608718666 0.6% 18666.0 -- Orbitel Telecomunicacoes e Informatica Ltda, BR 8 - AS34692 15357 0.5% 15357.0 -- ASN-CHLTD, GB 9 - AS21187046015 1.4% 15338.3 -- WALTHER-IT, AT 10 - AS51408 14610 0.5% 14610.0 -- SIRIUS-AS, RU 11 - AS14264225637 0.8% 12818.5 -- ATONAL-AS-AP Atonal System, CN 12 - AS20590876349 2.4% 12724.8 -- PETERCXY-NETWORKS PeterCxy Networks, DE 13 - AS41495 51817 1.6% 10363.4 -- FAELIX, GB 14 - AS20878910252 0.3% 10252.0 -- SENAT-AS, FR 15 - AS32629 19712 0.6%9856.0 -- CITY-OF-CHARLOTTE-ASN, US 16 - AS270562 9586 0.3%9586.0 -- ET NET TELECOMUNICACOES E CONSULTORIA LTDA, BR 17 - AS203974 9573 0.3%9573.0 -- ADS, RO 18 - AS38526 24091 0.7%8030.3 -- IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID 19 - AS212299 7955 0.2%7955.0 -- DEVBEN_NETWORK, FR 20 - AS212834 7953 0.2%7953.0 -- FR-DUREL-AS, FR TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2400:dc40::/3239290 1.1% AS136440 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - 2a01:9e02::/3233545 0.9% AS41495 -- FAELIX, GB 3 - 2a0e:b107:2f0::/ 28220 0.8% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 4 - 2a0e:b107:2f0::/ 28187 0.8% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 6 - 2801:17:4800::/4 25385 0.7% AS27951 -- Media Commerce Partners S.A, CO 7 - 2001:df5:d200::/ 24699 0.7% AS46050 -- JOGJACAMP-AS-ID PT JC Indonesia, ID 8 - 2405:3740::/3224075 0.7% AS38526 -- IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID 9 - 2801:174:3::/48 20315 0.6% AS27951 -- Media Commerce Partners S.A, CO 10 - 2801:1b6::/44 20287 0.6% AS27951 -- Media Commerce Partners S.A, CO 11 - 2801:172:2::/48 20241 0.6% AS27951 -- Media Commerce Partners S.A, CO 12 - 2804:448c::/3220021 0.6% AS267638 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 13 - 2001:df1:2600::/ 19968 0.6% AS59151 -- IDNIC-JOGJAPROV-AS-ID Bidang Layanan Teknologi dan Informasi Dinas Perhubungan, ID 14 - 2a06:e881:2502:: 19930 0.6% AS205908 -- PETERCXY-NETWORKS PeterCxy Networks, DE 15 - 2620:0:2f0::/48 19711
[apops] BGP Update Report
BGP Update Report Interval: 19-Aug-21 -to- 02-Sep-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS8151 174748 1.9% 21.2 -- Uninet S.A. de C.V., MX 2 - AS16509 161238 1.7% 29.4 -- AMAZON-02, US 3 - AS64050 90508 1.0% 112.2 -- BCPL-SG BGPNET Global ASN, SG 4 - AS36903 70843 0.8% 59.9 -- MT-MPLS, MA 5 - AS17794 68512 0.7%4893.7 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 6 - AS47331 65411 0.7% 8.1 -- TTNET, TR 7 - AS982954120 0.6% 29.1 -- BSNL-NIB National Internet Backbone, IN 8 - AS45899 51117 0.5% 14.4 -- VNPT-AS-VN VNPT Corp, VN 9 - AS671351053 0.5% 83.1 -- IAM-AS, MA 10 - AS58224 49464 0.5% 30.1 -- TCI, IR 11 - AS12389 48791 0.5% 17.1 -- ROSTELECOM-AS, RU 12 - AS13977 45146 0.5% 51.5 -- CTELCO, US 13 - AS715544885 0.5% 11.3 -- VIASAT-SP-BACKBONE, US 14 - AS12025 43150 0.5% 365.7 -- IMDC-AS12025, US 15 - AS47730 41469 0.4% 20734.5 -- JEANDELESTRE, FR 16 - AS132839 39048 0.4% 112.2 -- POWERLINE-AS-AP POWER LINE DATACENTER, HK 17 - AS565038067 0.4% 19.7 -- FRONTIER-FRTR, US 18 - AS133201 37321 0.4% 31.2 -- COMING-AS ABCDE GROUP COMPANY LIMITED, HK 19 - AS29571 36639 0.4% 46.9 -- ORANGE-COTE-IVOIRE, CI 20 - AS12735 36207 0.4% 67.2 -- ASTURKNET, TR TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS47730 41469 0.4% 20734.5 -- JEANDELESTRE, FR 2 - AS137346 10448 0.1% 10448.0 -- CNI-AS-ID PT Cyber Network Indonesia, ID 3 - AS17794 68512 0.7%4893.7 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 4 - AS2119754098 0.0%4098.0 -- WOHLERT, DE 5 - AS3942193559 0.0%3559.0 -- MRESORT, US 6 - AS454942624 0.0%2624.0 -- LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP 7 - AS27871 29623 0.3%2468.6 -- Telecom Argentina S.A., AR 8 - AS2093059450 0.1%2362.5 -- CFL, LU 9 - AS52541 14862 0.2%2123.1 -- New Speed Internet Banda Larga, BR 10 - AS26405 28370 0.3%1773.1 -- HDCS, US 11 - AS3995041664 0.0%1664.0 -- STREAMING-SYSTEMS-LLC, US 12 - AS574011615 0.0%1615.0 -- OFTEIN-AS OFTEIN Research Community, NL 13 - AS20101 23981 0.2%1598.7 -- MICHWAVE, US 14 - AS196744657 0.1%1552.3 -- NAVPOINT, US 15 - AS37468 10715 0.1%1530.7 -- ANGOLA-CABLES, AO 16 - AS399972998 0.0%1499.0 -- GLIC, US 17 - AS204611869 0.1%1483.6 -- DNIC-AS-02046, US 18 - AS203127915 0.1%1319.2 -- Fundacion Centro Nacional de Innovacion Tecnologica CENIT, VE 19 - AS32953 17623 0.2%1258.8 -- MHCV-AS1, US 20 - AS407934835 0.1%1208.8 -- LINKEDIN, US TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 197.186.0.0/1531118 0.3% AS37133 -- airtel-tz-as, TZ 2 - 67.211.53.0/2428289 0.3% AS26405 -- HDCS, US 3 - 64.68.236.0/2224188 0.2% AS13904 -- COSLINK, US 4 - 203.145.78.0/24 22851 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 5 - 202.45.88.0/2422815 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 6 - 203.145.74.0/24 22813 0.2% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 7 - 45.148.160.0/24 21196 0.2% AS47730 -- JEANDELESTRE, FR 8 - 138.207.67.0/24 20929 0.2% AS12025 -- IMDC-AS12025, US 9 - 138.207.66.0/24 20919 0.2% AS12025 -- IMDC-AS12025, US 10 - 45.148.160.0/22 20273 0.2% AS47730 -- JEANDELESTRE, FR 11 - 104.194.22.0/23 16906 0.2% AS7828 -- DRMSCPASN, US 12 - 104.194.20.0/23 16708 0.2% AS7828 -- DRMSCPASN, US 13 - 199.192.180.0/22 12464 0.1% AS20101 -- MICHWAVE, US 14 - 95.173.129.0/24 11499 0.1% AS8291 -- RSNET-AS RSNET, RU 15 - 216.18.240.0/20 11462 0.1% AS20101 -- MICHWAVE, US 16 - 182.23.171.0/24 10448 0.1% AS137346 -- CNI-AS-ID PT Cyber Network Indonesia, ID 17 - 102.219.124.0/22 10433 0.1% AS37468 -- ANGOLA-CABLES, AO 18 - 64.200.250.0/23 10382 0.1% AS10753 -- LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE, US 19 - 162.217.132.0/24 9791 0.1% AS22062 -- GEOSTAR, US 20 - 130.137.78.0/249561 0.1% AS16509 -- AMAZON-02, US Details at http://bgpupdates.potaroo.net Copies of this report are mailed to: apops@apops.net ___ apops mailing list apops@apops.net https://mailman.apnic.net/mailman/listinfo/apops Web
[apops] The CIDR Report
This report has been generated at Fri Sep 3 21:46:32 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 27-08-21137661 71829 28-08-21137716 71691 29-08-21137698 71783 30-08-21137785 71769 31-08-21137766 71850 01-09-21137772 71783 02-09-21137826 71957 03-09-21138044 71957 AS Summary 27464 Number of ASes in routing system 18336 Number of ASes announcing only one prefix 3204 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. --- 03Sep21 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 138094720846601047.8% All ASes AS11172 3204 124 308096.1% Alestra, S. de R.L. de C.V., MX AS9808 2774 411 236385.2% CMNET-GD Guangdong Mobile Communication Co.Ltd., CN AS7552 20024 199899.8% VIETEL-AS-AP Viettel Group, VN AS17622 2488 649 183973.9% CNCGROUP-GZ China Unicom Guangzhou network, CN AS45609 2150 413 173780.8% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS12479 15854 158199.7% UNI2-AS, ES AS24547 1490 50 144096.6% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS45271 1479 203 127686.3% ICLNET-AS-AP Idea Cellular Limited, IN AS22773 12559 124699.3% ASN-CXA-ALL-CCI-22773-RDC, US AS28573 1313 136 117789.6% CLARO S.A., BR AS56046 1057 12 104598.9% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS18403 891 11 88098.8% FPT-AS-AP The Corporation for Financing & Promoting Technology, VN AS17623 1448 586 86259.5% CNCGROUP-SZ China Unicom Shenzen network, CN AS62240 884 28 85696.8% CLOUVIDER Clouvider - Global ASN, GB AS56044 966 164 80283.0% CMNET-AS-LIAONING China Mobile communications corporation, CN AS4808896 105 79188.3% CHINA169-BJ China Unicom Beijing Province Network, CN AS39891 7979 78898.9% ALJAWWALSTC-AS, SA AS32098 931 155 77683.4% TRANSTELCO-INC, US AS16509 1718 983 73542.8% AMAZON-02, US AS38266 862 243 61971.8% VODAFONE-IN Vodafone India Ltd., IN AS56047 630 40 59093.7% CMNET-HUNAN-AP China Mobile communications corporation, CN AS8376635 107 52883.1% Jordan Data Communications, JO AS4134538 34 50493.7% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS133612 693 208 48570.0% VODAFONE-AS-AP Vodafone Australia Pty Ltd, AU AS30036 622 184 43870.4% MEDIACOM-ENTERPRISE-BUSINESS, US AS20115 527 113 41478.6% CHARTER-20115, US AS17552 421 11 41097.
[apops] The CIDR Report
This report has been generated at Fri Sep 3 21:15:52 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
27-08-21892451 488436
28-08-21892102 489499
29-08-21891984 489156
30-08-21892586 489443
31-08-21892771 489701
01-09-21892880 489289
02-09-21892592 489879
03-09-21892964 490093
AS Summary
72136 Number of ASes in routing system
25301 Number of ASes announcing only one prefix
8822 Largest number of prefixes announced by an AS
AS8151 : Uninet S.A. de C.V., MX
178481920 Largest address span announced by an AS (/32s)
AS8003 : GRS-DOD, 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').
--- 03Sep21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 892884 490519 40236545.1% All ASes
AS8151 8822 1286 753685.4% Uninet S.A. de C.V., MX
AS9808 8265 1904 636177.0% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS12479 6807 1194 561382.5% UNI2-AS, ES
AS7545 5808 745 506387.2% TPG-INTERNET-AP TPG
Telecom Limited, AU
AS47331 8064 3789 427553.0% TTNET, TR
AS7155 3969 159 381096.0% VIASAT-SP-BACKBONE, US
AS7552 3609 111 349896.9% VIETEL-AS-AP Viettel
Group, VN
AS7713 3538 111 342796.9% TELKOMNET-AS-AP PT
Telekomunikasi Indonesia, ID
AS22773 4001 614 338784.7%
ASN-CXA-ALL-CCI-22773-RDC, US
AS39891 3269 44 322598.7% ALJAWWALSTC-AS, SA
AS6327 3365 491 287485.4% SHAW, CA
AS4538 4858 2223 263554.2% ERX-CERNET-BKB China
Education and Research
Network Center, CN
AS8551 3313 728 258578.0% BEZEQ-INTERNATIONAL-AS
Bezeqint Internet Backbone,
IL
AS16509 5556 3305 225140.5% AMAZON-02, US
AS11492 4651 2488 216346.5% CABLEONE, US
AS9498 2360 392 196883.4% BBIL-AP BHARTI Airtel
Ltd., IN
AS12389 2900 1022 187864.8% ROSTELECOM-AS, RU
AS18403 1836 60 177696.7% FPT-AS-AP The Corporation
for Financing & Promoting
Technology, VN
AS4755 2113 351 176283.4% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP, IN
AS45899 2910 1219 169158.1% VNPT-AS-VN VNPT Corp, VN
AS9394 1701 41 166097.6% CTTNET China TieTong
Telecommunications
Corporation, CN
AS45090 2129 474 165577.7% CNNIC-TENCENT-NET-AP
Shenzhen Tencent Computer
Systems Company Limited, CN
AS24560 1961 483 147875.4% AIRTELBROADBAND-AS-AP
Bharti Airtel Ltd., Telemedia
Services, IN
AS2092505 1082 142356.8%
CENTURYLINK-US-LEGACY-QWEST,
US
AS18566 1971 575 139670.8% MEGAPATH5-, US
AS11830 2500 1239 126150.4% Instituto Costarricense
de Electricidad y Telecom.,
CR
AS56046 1312 131 118190.0% CMNET-JIANGSU-AP China
Mobile communications
corporation, CN
AS45609 165
