[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 21 Aug, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary BGP routing table entries examined: 859868 Prefixes after maximum aggregation (per Origin AS): 325752 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 413785 Total ASes present in the Internet Routing Table: 71865 Prefixes per ASN: 11.97 Origin-only ASes present in the Internet Routing Table: 61780 Origin ASes announcing only one prefix: 25515 Transit ASes present in the Internet Routing Table: 10085 Transit-only ASes present in the Internet Routing Table:338 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: 1049 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 36959 Number of 32-bit ASNs visible in the Routing Table: 30762 Prefixes from 32-bit ASNs in the Routing Table: 142783 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:520 Number of addresses announced to Internet: 3038543744 Equivalent to 181 /8s, 28 /16s and 127 /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: 285499 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 230866 Total APNIC prefixes after maximum aggregation: 66047 APNIC Deaggregation factor:3.50 Prefixes being announced from the APNIC address blocks: 226383 Unique aggregates announced from the APNIC address blocks:91138 APNIC Region origin ASes present in the Internet Routing Table: 11871 APNIC Prefixes per ASN: 19.07 APNIC Region origin ASes announcing only one prefix: 3372 APNIC Region transit ASes present in the Internet Routing Table: 1679 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: 7035 Number of APNIC addresses announced to Internet: 773573632 Equivalent to 46 /8s, 27 /16s and 204 /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:251610 Total ARIN prefixes after maximum aggregation: 115210 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 251096 Unique aggregates announced from the ARIN address blocks:119829 ARIN Region origin ASes present in the Internet Routing Table:18894 ARIN Prefixes per ASN:13.29 ARIN Regio
[apops] The CIDR Report
This report has been generated at Fri Aug 20 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
13-08-21891780 488332
14-08-21891324 488525
15-08-21891285 489003
16-08-21891790 489122
17-08-21891634 489029
18-08-21891400 488994
19-08-21891027 489261
20-08-21891906 489566
AS Summary
72107 Number of ASes in routing system
25276 Number of ASes announcing only one prefix
8834 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').
--- 20Aug21 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 892208 489544 40266445.1% All ASes
AS8151 8834 1305 752985.2% Uninet S.A. de C.V., MX
AS9808 8035 1886 614976.5% CMNET-GD Guangdong Mobile
Communication Co.Ltd., CN
AS12479 6783 1212 557182.1% UNI2-AS, ES
AS7545 5815 747 506887.2% TPG-INTERNET-AP TPG
Telecom Limited, AU
AS47331 7887 3399 448856.9% TTNET, TR
AS7155 3982 156 382696.1% VIASAT-SP-BACKBONE, US
AS7552 3575 110 346596.9% VIETEL-AS-AP Viettel
Group, VN
AS7713 3533 97 343697.3% TELKOMNET-AS-AP PT
Telekomunikasi Indonesia, ID
AS22773 3971 602 336984.8%
ASN-CXA-ALL-CCI-22773-RDC, US
AS39891 3267 42 322598.7% ALJAWWALSTC-AS, SA
AS6327 3362 487 287585.5% SHAW, CA
AS4538 4858 2223 263554.2% ERX-CERNET-BKB China
Education and Research
Network Center, CN
AS8551 3274 724 255077.9% BEZEQ-INTERNATIONAL-AS
Bezeqint Internet Backbone,
IL
AS16509 5472 3233 223940.9% AMAZON-02, US
AS11492 4710 2501 220946.9% CABLEONE, US
AS9498 2373 401 197283.1% BBIL-AP BHARTI Airtel
Ltd., IN
AS12389 2910 1033 187764.5% ROSTELECOM-AS, RU
AS18403 1840 59 178196.8% FPT-AS-AP The Corporation
for Financing & Promoting
Technology, VN
AS4755 2112 338 177484.0% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP, IN
AS45090 2129 378 175182.2% CNNIC-TENCENT-NET-AP
Shenzhen Tencent Computer
Systems Company Limited, CN
AS9394 1765 41 172497.7% CTTNET China TieTong
Telecommunications
Corporation, CN
AS45899 2923 1213 171058.5% VNPT-AS-VN VNPT Corp, VN
AS24560 1957 481 147675.4% AIRTELBROADBAND-AS-AP
Bharti Airtel Ltd., Telemedia
Services, IN
AS18566 1964 491 147375.0% MEGAPATH5-, US
AS2092518 1099 141956.4%
CENTURYLINK-US-LEGACY-QWEST,
US
AS4766 2490 1220 127051.0% KIXS-AS-KR Korea Telecom,
KR
AS11830 2500 1240 126050.4% Instituto Costarricense
de Electricidad y Telecom.,
CR
AS20115 2244 1062 118252.7% CHARTER-20115, US
AS56046 1311 130
[apops] BGP Update Report
BGP Update Report Interval: 05-Aug-21 -to- 19-Aug-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS38616 194479 2.3%5117.9 -- WORLDCALL-AS-KHI Worldcall Telecom Limited, PK 2 - AS29571 162435 1.9% 216.3 -- ORANGE-COTE-IVOIRE, CI 3 - AS16509 155362 1.9% 89.4 -- AMAZON-02, US 4 - AS10310 146888 1.8%2040.1 -- YAHOO-1, US 5 - AS18779 100549 1.2% 26.6 -- EGIHOSTING, US 6 - AS64050 72602 0.9% 105.7 -- BCPL-SG BGPNET Global ASN, SG 7 - AS32953 71515 0.9%5108.2 -- MHCV-AS1, US 8 - AS17794 69201 0.8% 23067.0 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 9 - AS13999 64172 0.8% 43.5 -- Mega Cable, S.A. de C.V., MX 10 - AS58224 59346 0.7% 36.5 -- TCI, IR 11 - AS38710 58826 0.7% 311.2 -- WORLDCALL-AS-LHR Worldcall Broadband Limited, PK 12 - AS154156935 0.7% 146.0 -- DNIC-ASBLK-01534-01546, US 13 - AS982953649 0.6% 29.2 -- BSNL-NIB National Internet Backbone, IN 14 - AS22884 51464 0.6% 81.0 -- TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX 15 - AS647 49073 0.6% 187.3 -- DNIC-ASBLK-00616-00665, US 16 - AS815147292 0.6% 6.1 -- Uninet S.A. de C.V., MX 17 - AS22773 44977 0.5% 11.4 -- ASN-CXA-ALL-CCI-22773-RDC, US 18 - AS12025 44040 0.5%2001.8 -- IMDC-AS12025, US 19 - AS47730 41492 0.5% 20746.0 -- JEANDELESTRE, FR 20 - AS58879 38208 0.5%2247.5 -- ANCHNET Shanghai Anchang Network Security Technology Co.,Ltd., CN TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS17794 69201 0.8% 23067.0 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 2 - AS47730 41492 0.5% 20746.0 -- JEANDELESTRE, FR 3 - AS211975 12754 0.1% 12754.0 -- WOHLERT, DE 4 - AS2112276605 0.1%6605.0 -- JAVIH-AS, ES 5 - AS26405 29697 0.4%5939.4 -- HDCS, US 6 - AS38616 194479 2.3%5117.9 -- WORLDCALL-AS-KHI Worldcall Telecom Limited, PK 7 - AS32953 71515 0.9%5108.2 -- MHCV-AS1, US 8 - AS20101 24578 0.3%4096.3 -- MICHWAVE, US 9 - AS27871 30686 0.4%3068.6 -- Telecom Argentina S.A., AR 10 - AS2093059266 0.1%2316.5 -- CFL, LU 11 - AS58879 38208 0.5%2247.5 -- ANCHNET Shanghai Anchang Network Security Technology Co.,Ltd., CN 12 - AS20312 12696 0.1%2116.0 -- Fundacion Centro Nacional de Innovacion Tecnologica CENIT, VE 13 - AS10310 146888 1.8%2040.1 -- YAHOO-1, US 14 - AS12025 44040 0.5%2001.8 -- IMDC-AS12025, US 15 - AS829124458 0.3%1881.4 -- RSNET-AS RSNET, RU 16 - AS2682316887 0.1%1721.8 -- X-Celente Telecomunicacoes, BR 17 - AS3995041592 0.0%1592.0 -- STREAMING-SYSTEMS-LLC, US 18 - AS589321503 0.0%1503.0 -- PWC-AS-AP Palau Wifi Corporation, PW 19 - AS1373001498 0.0%1498.0 -- IDNIC-AR-RANIRY-AS-ID UIN AR-RANIRY, ID 20 - AS407934488 0.1%1496.0 -- LINKEDIN, US TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 216.59.160.0/19 35759 0.4% AS32953 -- MHCV-AS1, US 2 - 24.105.224.0/19 35728 0.4% AS32953 -- MHCV-AS1, US 3 - 67.211.53.0/2429689 0.3% AS26405 -- HDCS, US 4 - 197.186.0.0/1527523 0.3% AS37133 -- airtel-tz-as, TZ 5 - 95.173.129.0/24 24410 0.3% AS8291 -- RSNET-AS RSNET, RU 6 - 64.68.236.0/2224118 0.3% AS13904 -- COSLINK, US 7 - 203.145.74.0/24 23086 0.3% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 8 - 202.45.88.0/2423058 0.3% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 9 - 203.145.78.0/24 23057 0.3% AS17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK 10 - 138.207.66.0/24 22014 0.2% AS12025 -- IMDC-AS12025, US 11 - 138.207.67.0/24 21901 0.2% AS12025 -- IMDC-AS12025, US 12 - 45.148.160.0/24 21072 0.2% AS47730 -- JEANDELESTRE, FR 13 - 45.148.160.0/22 20420 0.2% AS47730 -- JEANDELESTRE, FR 14 - 103.228.154.0/24 19527 0.2% AS33480 -- WEBWERKSAS1, US 15 - 150.196.144.0/21 16684 0.2% AS1541 -- DNIC-ASBLK-01534-01546, US 16 - 199.192.180.0/22 12923 0.1% AS20101 -- MICHWAVE, US 17 - 141.98.139.0/24 12754 0.1% AS211975 -- WOHLERT, DE 18 - 64.200.250.0/23 12706 0.1% AS10753 -- LVLT-10753, US 19 - 216.18.240.0/20 11615 0.1% AS20101 -- MICHWAVE, US 20 - 130.137.79.0/249584 0.1% AS16509 -- AMAZON-02, US Details at http://bgpupdates.potaroo.net Copies of this report are mailed to: apops@apops.net __
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 05-Aug-21 -to- 19-Aug-21 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS20473685192 22.4% 360.8 -- AS-CHOOPA, US 2 - AS27951139261 4.6%2443.2 -- Media Commerce Partners S.A, CO 3 - AS28573111921 3.7% 87.3 -- CLARO S.A., BR 4 - AS41495 83416 2.7% 11916.6 -- FAELIX, GB 5 - AS20875357608 1.9%1800.2 -- NETSIX, IT 6 - AS37963 52094 1.7% 548.4 -- CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN 7 - AS21187043778 1.4% 14592.7 -- WALTHER-IT, AT 8 - AS21219640291 1.3%4476.8 -- PIEKACZ, GB 9 - AS20590839515 1.3%6585.8 -- PETERCXY-NETWORKS PeterCxy Networks, DE 10 - AS13644039212 1.3% 39212.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 11 - AS31514 38520 1.3% 19260.0 -- INF-NET-AS, RU 12 - AS35819 36068 1.2% 238.9 -- MOBILY-AS Etihad Etisalat Company Mobily, SA 13 - AS26639034956 1.1% 34956.0 -- Tajo Tecnologia Ltda, BR 14 - AS11172 34446 1.1% 10.8 -- Alestra, S. de R.L. de C.V., MX 15 - AS26982231574 1.0%5262.3 -- COLOMBIA MAS TV S.A.S, CO 16 - AS24429 31242 1.0%4463.1 -- TAOBAO Zhejiang Taobao Network Co.,Ltd, CN 17 - AS7552 28759 0.9% 14.4 -- VIETEL-AS-AP Viettel Group, VN 18 - AS38082 27049 0.9%3864.1 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 19 - AS26274226563 0.9%2043.3 -- Fundacao Universidade Federal do ABC - UFABC, BR 20 - AS26655125643 0.8%1972.5 -- CONEXAOBA PROVEDOR DE INTERNET, BR TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS13644039212 1.3% 39212.0 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - AS26639034956 1.1% 34956.0 -- Tajo Tecnologia Ltda, BR 3 - AS46050 22078 0.7% 22078.0 -- JOGJACAMP-AS-ID PT JC Indonesia, ID 4 - AS59151 20136 0.7% 20136.0 -- IDNIC-JOGJAPROV-AS-ID Bidang Layanan Teknologi dan Informasi Dinas Perhubungan, ID 5 - AS26827519810 0.7% 19810.0 -- GOOD TELECOM PROVEDOR DE INTERNET LTDA, BR 6 - AS26763819794 0.7% 19794.0 -- Wind Telecomunicacao do Brasil Ltda - ME, BR 7 - AS31514 38520 1.3% 19260.0 -- INF-NET-AS, RU 8 - AS34692 14864 0.5% 14864.0 -- ASN-CHLTD, GB 9 - AS21187043778 1.4% 14592.7 -- WALTHER-IT, AT 10 - AS21297712181 0.4% 12181.0 -- TOOTAI-AS, FR 11 - AS41495 83416 2.7% 11916.6 -- FAELIX, GB 12 - AS20878910019 0.3% 10019.0 -- SENAT-AS, FR 13 - AS203974 9045 0.3%9045.0 -- ADS, RO 14 - AS32629 17529 0.6%8764.5 -- CITY-OF-CHARLOTTE-ASN, US 15 - AS270562 7905 0.3%7905.0 -- ET NET TELECOMUNICACOES E CONSULTORIA LTDA, BR 16 - AS38526 22861 0.8%7620.3 -- IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID 17 - AS212834 7544 0.2%7544.0 -- FR-DUREL-AS, FR 18 - AS212299 7536 0.2%7536.0 -- DEVBEN_NETWORK, FR 19 - AS31649 7019 0.2%7019.0 -- RIPN-FDNS-RU-NYC, RU 20 - AS21124213764 0.5%6882.0 -- SB-AS, IN TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2400:dc40::/3239212 1.1% AS136440 -- SASPL-AS-AP Sungard Availability Services India Private Limited, IN 2 - 2804:371c:8000:: 34956 1.0% AS266390 -- Tajo Tecnologia Ltda, BR 3 - 2405:4000:800:8: 27037 0.8% AS38082 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 4 - 2404:2280:147::/ 24803 0.7% AS24429 -- TAOBAO Zhejiang Taobao Network Co.,Ltd, CN 5 - 2801:17:4800::/4 24726 0.7% AS27951 -- Media Commerce Partners S.A, CO 6 - 2a01:9e00:4278:: 23477 0.7% AS41495 -- FAELIX, GB 7 - 2405:3740::/3222857 0.7% AS38526 -- IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID 8 - 2001:df5:d200::/ 22078 0.6% AS46050 -- JOGJACAMP-AS-ID PT JC Indonesia, ID 9 - 2801:1b6::/44 21613 0.6% AS27951 -- Media Commerce Partners S.A, CO 10 - 2801:174:3::/48 21577 0.6% AS27951 -- Media Commerce Partners S.A, CO 11 - 2801:172:2::/48 20279 0.6% AS27951 -- Media Commerce Partners S.A, CO 12 - 2001:df1:2600::/ 20136 0.6% AS59151 -- IDNIC-JOGJAPROV-AS-ID Bidang Layanan Teknologi dan Informasi Dinas Perhubungan, ID 13 - 2a01:9e00:4449:: 20120 0.6% AS41495 -- FAELIX, GB 14 - 2a01:9e00:44f3:: 19958 0.6% AS41495 -- FAELIX, GB 15 - 2a01:9e02::/3219848 0.6% AS41495 -- FAELIX, GB 16 - 2804:4ea8::/3219810 0.6% AS
[apops] The CIDR Report
This report has been generated at Fri Aug 20 21:46:17 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 13-08-21136957 71075 14-08-21136899 71154 15-08-21136948 71108 16-08-21136919 71007 17-08-21136852 71109 18-08-21137107 71185 19-08-21136953 71346 20-08-21137085 71346 AS Summary 27385 Number of ASes in routing system 18303 Number of ASes announcing only one prefix 3166 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. --- 20Aug21 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 137130713816574947.9% All ASes AS11172 3166 121 304596.2% Alestra, S. de R.L. de C.V., MX AS9808 2732 401 233185.3% CMNET-GD Guangdong Mobile Communication Co.Ltd., CN AS7552 20024 199899.8% VIETEL-AS-AP Viettel Group, VN AS45609 2151 293 185886.4% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS17622 2466 649 181773.7% CNCGROUP-GZ China Unicom Guangzhou network, CN AS12479 15744 157099.7% UNI2-AS, ES AS24547 1490 50 144096.6% CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN AS45271 1478 168 131088.6% ICLNET-AS-AP Idea Cellular Limited, IN AS22773 12799 127099.3% ASN-CXA-ALL-CCI-22773-RDC, US AS28573 1251 160 109187.2% CLARO S.A., BR AS56046 1061 12 104998.9% CMNET-JIANGSU-AP China Mobile communications corporation, CN AS18403 891 11 88098.8% FPT-AS-AP The Corporation for Financing & Promoting Technology, VN AS17623 1447 586 86159.5% CNCGROUP-SZ China Unicom Shenzen network, CN AS56044 966 165 80182.9% CMNET-AS-LIAONING China Mobile communications corporation, CN AS32098 932 139 79385.1% TRANSTELCO-INC, US AS4808896 105 79188.3% CHINA169-BJ China Unicom Beijing Province Network, CN AS39891 7969 78798.9% ALJAWWALSTC-AS, SA AS16509 1693 977 71642.3% AMAZON-02, US AS62240 698 30 66895.7% CLOUVIDER Clouvider - Global ASN, GB AS38266 864 256 60870.4% 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 694 209 48569.9% VODAFONE-AS-AP Vodafone Australia Pty Ltd, AU AS20115 674 238 43664.7% CHARTER-20115, US AS17552 421 11 41097.4% TRUEONLINE-AS-AP True Online, TH AS30036 623 232 39162.8%
