ResearchIRR · RIPE

AS-ASK4 ASK4 and transit customers

An as-set registered in RIPE, maintained by MNT-ASK4. It names 1 AS and 7 sets directly; followed all the way down, it reaches 32 ASes through 17 nested sets.

Members

What AS-ASK4 lists

1 AS and 7 sets, written in the object across every registry that holds it. Sets open their own page.

AS-COMCOLOAS-COMMUNICATEAS-EMFAS-MYWIRENETAS-NETCONNEXAS-PORTFASTAS-SARGASSOAS41230 ASK4
Expanded

Every AS it reaches

What a filter built from AS-ASK4 would let in: 32 ASes.

Show the 32 ASes
AS1628AS8457AS8916AS12496AS12775AS21396AS25161AS25464AS30762AS30933AS31339AS32346AS34660AS34827AS35127AS39767AS41230AS42909AS43013AS44314AS44697AS47675AS48663AS57307AS57483AS59617AS59675AS60079AS61427AS199385AS201164AS206049
Prefixes

What AS-ASK4 covers

Every route object in the IRR whose origin is one of the 32 ASes it reaches: the prefixes a filter built from AS-ASK4 (with bgpq4, say) would allow. 310 IPv4 and 112 IPv6. Every one is in the IRR API.

310 IPv4 prefixes
128.0.144.0/21128.0.144.0/23128.0.144.0/24128.0.145.0/24128.0.146.0/23128.0.148.0/23128.0.150.0/24128.0.152.0/22128.0.152.0/24128.0.153.0/24128.0.154.0/24130.193.30.0/24140.235.10.0/24140.235.9.0/24141.0.208.0/20141.0.208.0/24141.0.209.0/24141.0.210.0/24141.0.211.0/24141.0.212.0/24141.0.213.0/24141.0.214.0/24141.0.215.0/24141.0.216.0/24141.0.217.0/24141.0.218.0/24141.0.219.0/24141.0.220.0/24141.0.221.0/24141.0.222.0/24141.0.223.0/24141.8.216.0/21159.253.48.0/21176.119.145.0/24176.56.56.0/21176.56.56.0/24176.56.57.0/24176.56.58.0/24176.56.59.0/24176.56.60.0/24176.56.61.0/24176.56.62.0/24176.56.63.0/24178.23.160.0/21185.100.148.0/22185.109.138.0/24185.122.244.0/22185.134.128.0/22185.134.136.0/23185.134.138.0/24185.134.139.0/24185.134.144.0/22185.164.196.0/22185.164.196.0/24185.164.197.0/24185.164.198.0/24185.164.199.0/24185.17.180.0/22185.17.180.0/24185.17.181.0/24185.17.182.0/24185.17.183.0/24185.197.56.0/22185.197.56.0/24185.197.57.0/24185.197.58.0/24185.197.59.0/24185.198.228.0/22185.236.124.0/22185.5.8.0/23185.5.8.0/24185.5.9.0/24185.52.196.0/22185.52.220.0/22185.65.40.0/22185.65.40.0/24185.65.41.0/24185.65.42.0/24185.65.43.0/24185.83.128.0/24185.83.129.0/24185.83.130.0/24185.83.131.0/24185.83.52.0/22185.83.52.0/23185.83.52.0/24185.83.53.0/24185.83.54.0/23185.83.54.0/24185.83.55.0/24185.88.56.0/22185.90.140.0/22188.212.34.0/23188.212.34.0/24188.212.35.0/24188.227.240.0/21188.246.192.0/20188.246.216.0/22188.246.220.0/22188.65.96.0/21193.108.199.0/24193.108.199.0/26193.151.124.0/22193.151.124.0/24193.151.125.0/24193.151.126.0/24193.151.127.0/24193.178.52.0/24193.203.210.0/23193.223.78.0/24193.39.8.0/24194.0.1.0/24194.0.2.0/24194.1.150.0/24194.104.123.0/24194.110.250.0/24194.117.248.0/23194.180.184.0/22194.180.187.0/24194.88.12.0/23194.88.13.0/24195.177.192.0/23195.43.44.0/22195.43.44.0/24195.43.45.0/24195.43.46.0/24195.43.47.0/24195.72.33.0/24199.19.16.0/22206.251.52.0/22209.248.32.0/20209.248.32.0/21209.248.32.0/22209.248.32.0/23209.248.32.0/24209.248.33.0/24209.248.34.0/23209.248.34.0/24209.248.35.0/24209.248.36.0/22209.248.36.0/23209.248.36.0/24209.248.37.0/24209.248.38.0/23209.248.38.0/24209.248.39.0/24209.248.40.0/21209.248.40.0/22209.248.40.0/23209.248.40.0/24209.248.41.0/24209.248.42.0/23209.248.42.0/24209.248.43.0/24209.248.44.0/22209.248.44.0/23209.248.44.0/24209.248.45.0/24209.248.46.0/23209.248.46.0/24209.248.47.0/24209.248.48.0/21209.248.48.0/22209.248.48.0/23209.248.48.0/24209.248.49.0/24209.248.50.0/23209.248.50.0/24209.248.51.0/24209.248.52.0/22209.248.52.0/23209.248.52.0/24209.248.53.0/24209.248.54.0/23209.248.54.0/24209.248.55.0/24209.248.56.0/22209.248.56.0/23209.248.56.0/24209.248.57.0/24209.248.58.0/23209.248.58.0/24209.248.59.0/24209.248.60.0/22209.248.60.0/23209.248.60.0/24209.248.61.0/24209.248.62.0/23209.248.62.0/24209.248.63.0/24212.11.67.0/24212.11.76.0/24212.113.192.0/20212.113.208.0/23212.113.211.0/24212.113.212.0/22212.113.216.0/21212.69.32.0/19212.69.42.48/28213.143.0.0/19213.147.96.0/19213.185.78.0/23213.185.80.0/22213.185.80.0/24213.185.81.0/24213.185.82.0/23213.185.84.0/23213.5.88.0/21217.144.80.0/20217.168.144.0/2031.205.0.0/1631.205.0.0/1831.205.128.0/1831.205.128.0/1931.205.16.0/2031.205.192.0/1831.205.211.0/2431.205.212.0/2231.205.217.0/2431.205.218.0/2431.205.236.0/2431.205.247.0/2431.205.249.0/2431.205.32.0/2031.205.52.0/2331.205.54.0/2431.205.64.0/1831.205.8.0/2131.220.150.0/2444.31.27.0/2445.154.248.0/2245.81.120.0/225.182.220.0/225.182.220.0/245.182.221.0/245.182.222.0/245.182.223.0/2464.49.44.0/2269.91.142.0/2474.116.176.0/2274.116.176.0/2474.116.178.0/2474.116.179.0/2477.95.218.0/2478.109.176.0/2078.158.72.0/2178.158.72.0/2278.158.76.0/2278.158.80.0/2078.158.80.0/2178.158.88.0/2179.170.176.0/2179.170.176.0/2279.170.176.0/2379.170.176.0/2479.170.177.0/2479.170.178.0/2379.170.178.0/2479.170.179.0/2479.170.180.0/2279.170.180.0/2379.170.180.0/2479.170.181.0/2479.170.182.0/2379.170.182.0/2479.170.183.0/2480.249.100.0/2480.249.101.0/2480.249.102.0/2480.249.103.0/2480.249.104.0/2480.249.105.0/2480.249.106.0/2480.249.107.0/2480.249.108.0/2480.249.109.0/2480.249.110.0/2480.249.111.0/2480.249.96.0/2080.249.96.0/2480.249.97.0/2480.249.98.0/2480.249.99.0/2480.253.99.0/2481.23.48.0/2085.118.232.0/2191.135.0.0/2091.194.69.0/2491.199.151.0/2491.199.183.0/2491.207.220.0/2391.215.180.0/2291.241.0.0/2391.90.171.0/2492.118.29.0/2493.113.110.0/2393.113.110.0/2493.113.111.0/2493.114.184.0/2393.114.184.0/2493.114.185.0/2493.114.234.0/2393.114.234.0/2493.114.235.0/2493.114.86.0/2393.114.86.0/2493.114.87.0/2493.89.128.0/2094.199.24.0/2194.45.224.0/19
112 IPv6 prefixes
2001:678:150::/482001:678:4::/472001:678:4::/482001:678:5::/482001:678:b60::/482001:678:f5c::/482001:67c:1310::/482001:67c:1b8::/482001:67c:a24::/482620:7d:e000::/482a00:11c8::/322a00:1a10::/292a00:1fb0::/292a00:d680::/322a01:4e8:127::/482a01:4e8:182::/482a01:4e8:3a4d::/482a01:4e8:4000::/342a01:4e8:8000::/332a01:4e8:8000::/342a01:4e8::/292a01:4e8::/302a01:4e8::/312a01:4e8::/322a01:4e8::/332a01:4e8::/342a01:4e8:bce0::/482a01:4e8:c000::/342a01:4e8:c0c0::/482a01:4e8:c22c::/482a01:4e8:cafe::/482a01:4e8:cccc::/482a01:4e8:cda8::/482a01:4e8:f1d::/482a01:4e8:feed::/482a01:4e8:ffff::/482a01:4e9::/322a01:4ea::/312a01:4ea::/322a01:4eb::/322a01:4ec::/302a01:4ec::/312a01:4ec::/322a01:4ed::/322a01:4ee::/312a01:4ee::/322a01:4ef::/322a01:50::/322a01:5400:8000::/332a01:5400::/322a01:5400::/332a01:9880::/322a02:20d0::/292a02:390::/322a02:45c0:10::/482a02:45c0:11::/482a02:45c0:12::/482a02:45c0:13::/482a02:45c0:15::/482a02:45c0:18::/482a02:45c0:19::/482a02:45c0:20::/482a02:45c0:3::/482a02:45c0:5::/482a02:45c0:6::/482a02:45c0:7::/482a02:45c0:8::/482a02:45c0:9::/482a02:45c0::/322a02:45c0::/482a02:45c0:fffe::/482a02:45c0:ffff::/482a02:68::/292a02:68::/322a03:480::/322a03:9800:1::/482a03:9800::/292a03:9800::/322a04:fcc0::/292a05:98c0::/292a05:dfc1:9174::/482a05:e200::/292a05:e207:ffff::/482a06:9f81:2500::/402a06:9f81:2501::/482a06:9f81:2502::/482a06:9f81:250a::/482a06:9f81:250b::/482a06:9f81:2600::/402a06:9f81:2601::/482a07:c300::/292a09:a447:2026::/482a0a:6044:7100::/402a0a:6044:7100::/482a0a:6044:7101::/482a0a:6044:7102::/482a0a:6044:7103::/482a0a:6044:7104::/482a0a:6044:7105::/482a0a:6044:7106::/482a0a:6044:7107::/482a0a:6044:7108::/482a0a:6044:7109::/482a0a:6044:710a::/482a0a:6044:710b::/482a0a:7640::/292a0a:7640::/302a0a:7644::/302a0c:2f04:100::/402a0d:5c00::/322a0e:5680::/292a13:f040::/48
Registries

Each registry’s copy

RIPE8 membersASK4 and transit customers
Maintained byMNT-ASK4
Last modified2025-10-06T19:23:08Z
MembersAS41230 AS-COMCOLO AS-EMF AS-PORTFAST AS-SARGASSO AS-NETCONNEX AS-MYWIRENET AS-COMMUNICATE
mbrs-by-refN
Used by

Sets that include AS-ASK4

AS-ECIX-DUSAS-ECIX-FRAAS-KPNAS-NL-IX-RSAS-OPENPEERINGPEERS-EUAS-SET-LONAP-CONNECTEDAS-SET-LONAP-MLPAS-SET-LONAP-MLP-V6AS1299:AS-TWELVE99-EU-V4AS1299:AS-TWELVE99-EU-V6AS29075:AS-PEERS:AS-SETAS2914:AS-EUROPEAS2914:AS-EUROPE-V6AS57932:AS-IXLEEDS-MLP
Tools

Check AS-ASK4 live

IRR API, with prefixes