ResearchIRR · RIPE

AS-CITYKOM AS8638 and all customer ASes routed by…

An as-set registered in RIPE, maintained by CK-MNT, VT-MNT. It names 5 ASes and 4 sets directly; followed all the way down, it reaches 39 ASes through 8 nested sets.

Members

What AS-CITYKOM lists

5 ASes and 4 sets, written in the object across every registry that holds it. Sets open their own page.

AS-GLOBENETAS-ICSMEDIAAS-UNI-XAS-WEBDISCOUNTAS8638 VERSATEL-NRWAS12371 AVENCYAS20587AS31243 ST-ONELINEAS39077 ASCHENDORFF
Expanded

Every AS it reaches

What a filter built from AS-CITYKOM would let in: 39 ASes.

Show the 39 ASes
AS1898AS8638AS12371AS12437AS12470AS15909AS20587AS24637AS24840AS24926AS25254AS29239AS29358AS29507AS31243AS34453AS39077AS43897AS44131AS47138AS47751AS47769AS50076AS50145AS50216AS51061AS56657AS56948AS59822AS60307AS60948AS203278AS204612AS204681AS204990AS206285AS210098AS213986AS214316
Prefixes

What AS-CITYKOM covers

Every route object in the IRR whose origin is one of the 39 ASes it reaches: the prefixes a filter built from AS-CITYKOM (with bgpq4, say) would allow. 213 IPv4 and 16 IPv6. Every one is in the IRR API.

213 IPv4 prefixes
103.237.128.0/22138.124.150.0/23138.124.150.0/24138.124.151.0/24138.124.152.0/23138.124.152.0/24138.124.153.0/24138.124.177.0/24147.161.21.0/24147.161.22.0/24147.161.23.0/24156.67.61.0/24185.130.196.0/22185.130.196.0/24185.130.197.0/24185.130.198.0/24185.130.199.0/24185.139.204.0/22185.139.204.0/24185.139.205.0/24185.139.206.0/24185.139.207.0/24185.16.198.0/24185.232.144.0/22185.57.0.0/22185.57.0.0/24185.57.1.0/24185.57.2.0/24185.57.3.0/24193.103.1.0/24193.103.16.0/23193.103.16.0/24193.103.17.0/24193.103.2.0/23193.103.2.0/24193.103.3.0/24193.103.32.0/24193.103.40.0/24193.104.155.0/24193.108.172.0/23193.108.172.0/24193.108.173.0/24193.110.139.0/24193.110.178.0/23193.138.117.0/24193.16.3.0/24193.19.180.0/22193.19.180.0/24193.19.181.0/24193.19.182.0/24193.19.183.0/24193.202.107.0/24193.93.0.0/22193.93.0.0/24193.93.1.0/24193.93.2.0/24193.93.3.0/24193.99.214.0/23193.99.214.0/24193.99.215.0/24194.156.240.0/22194.156.244.0/23194.156.247.0/24194.39.236.0/22194.39.236.0/23194.39.238.0/24194.39.239.0/24194.5.63.0/24194.59.213.0/24194.99.118.0/23194.99.118.0/24194.99.119.0/24195.130.221.0/24195.137.224.0/24195.16.94.0/24195.177.128.0/18195.234.133.0/24195.60.96.0/19195.66.76.0/24208.64.132.0/22209.206.39.0/24212.101.192.0/19212.101.192.0/24212.101.193.0/24212.101.194.0/24212.101.195.0/24212.101.196.0/24212.101.197.0/24212.101.198.0/24212.101.199.0/24212.101.200.0/24212.101.201.0/24212.101.202.0/24212.101.203.0/24212.101.204.0/24212.101.205.0/24212.101.206.0/24212.101.207.0/24212.101.208.0/24212.101.209.0/24212.101.210.0/24212.101.211.0/24212.101.212.0/24212.101.213.0/24212.101.214.0/24212.101.215.0/24212.101.216.0/24212.101.217.0/24212.101.218.0/24212.101.219.0/24212.101.220.0/24212.101.221.0/24212.101.222.0/24212.101.223.0/24212.124.32.0/19212.124.61.0/24212.3.64.0/19212.3.64.0/20212.3.64.0/24212.3.65.0/24212.3.66.0/24212.3.67.0/24212.3.68.0/24212.3.69.0/24212.3.70.0/24212.3.71.0/24212.3.72.0/24212.3.73.0/24212.3.75.0/24212.3.76.0/24212.3.77.0/24212.3.78.0/24212.3.79.0/24212.3.80.0/24212.3.81.0/24212.3.82.0/24212.3.83.0/24212.3.84.0/24212.3.85.0/24212.3.86.0/24212.3.87.0/24212.3.88.0/24212.3.89.0/24212.3.90.0/24212.3.91.0/24212.3.92.0/24212.3.93.0/24212.3.94.0/24212.3.95.0/24212.62.79.0/24217.23.48.0/24217.23.49.0/24217.23.50.0/24217.23.51.0/24217.23.52.0/24217.23.53.0/24217.23.54.0/24217.23.55.0/24217.23.56.0/24217.23.57.0/24217.23.58.0/24217.23.59.0/24217.23.60.0/24217.23.61.0/24217.23.62.0/24217.23.63.0/24217.25.64.0/2031.129.120.0/2431.129.121.0/2431.186.120.0/2231.186.120.0/2431.186.121.0/2431.186.122.0/2431.186.123.0/2431.186.124.0/2445.152.132.0/2345.152.132.0/2445.152.133.0/2462.180.61.0/2480.244.208.0/2080.244.208.0/2480.244.209.0/2480.244.210.0/2480.244.211.0/2480.244.212.0/2480.244.213.0/2480.244.214.0/2480.244.215.0/2480.244.216.0/2480.244.217.0/2480.244.218.0/2480.244.219.0/2480.244.220.0/2480.244.221.0/2480.244.222.0/2480.244.223.0/2481.89.224.0/2481.89.225.0/2484.201.96.0/2487.123.208.0/2289.247.125.0/2489.247.220.0/2489.27.161.0/2491.212.221.0/2491.216.108.0/2491.217.232.0/2491.220.56.0/2493.189.168.0/2293.189.168.0/2393.189.170.0/2393.189.172.0/2394.134.81.0/2494.142.181.0/24
16 IPv6 prefixes
2001:1438:f000::/362001:14d8::/322001:678:10f0::/482001:678:d1c::/482001:67c:18bc::/482001:67c:2c50::/482001:67c:2f44::/482001:67c:838::/482001:67c:83c::/482001:67c:a54::/482a00:1050::/322a00:1ff8::/322a01:5900::/292a02:1798::/292a06:7880::/292a0d:8640::/29
Registries

Each registry’s copy

RIPE9 membersAS8638 and all customer ASes routed by Tropolys/citykom The parent AS 8638 is being migrated into 8881. Please use AS-VT-TRANSIT instead of this macro.
Maintained byCK-MNT, VT-MNT
Last modified2026-05-26T06:31:52Z
MembersAS8638 AS12371 AS20587 AS31243 AS39077 AS-GLOBENET AS-ICSMEDIA AS-UNI-X AS-WEBDISCOUNT
mbrs-by-refN
Used by

Sets that include AS-CITYKOM

AS-VT-TRANSIT
Tools

Check AS-CITYKOM live

IRR API, with prefixes