AS-O2CZSEC O2 CZECH REPUBLIC - SECURE VLAN EXCHANGE.
An as-set registered in RIPE, maintained by AS5610-MTN. It names 5 ASes and 1 set directly; followed all the way down, it reaches 93 ASes through 14 nested sets.
Members
What AS-O2CZSEC lists
5 ASes and 1 set, written in the object across every registry that holds it. Sets open their own page.
Expanded
Every AS it reaches
What a filter built from AS-O2CZSEC would let in: 93 ASes.
Show the 93 ASes
AS3557AS5610AS12570AS16246AS20144AS20701AS20884AS25152AS25192AS25321AS26710AS27500AS29067AS29321AS29663AS30134AS31246AS31349AS34080AS34475AS39736AS41046AS41453AS42908AS43413AS43709AS44070AS44522AS47681AS47941AS48091AS48364AS49573AS49767AS50784AS51424AS51968AS52234AS52304AS56554AS56566AS57288AS59959AS60086AS61169AS61455AS62178AS62405AS196815AS196849AS197197AS197353AS197412AS197798AS198282AS198346AS198620AS199490AS200070AS200635AS201116AS201265AS201464AS201966AS202551AS202657AS202979AS203365AS204886AS204943AS205044AS205345AS205653AS206270AS206420AS206429AS206683AS207015AS207187AS207198AS207242AS208648AS208663AS208805AS209795AS209810AS210061AS210111AS210139AS210306AS211334AS212315AS213354
Prefixes
What AS-O2CZSEC covers
Every route object in the IRR whose origin is one of the 93 ASes it reaches: the prefixes a filter built from AS-O2CZSEC (with bgpq4, say) would allow. 630 IPv4 and 184 IPv6. Every one is in the IRR API.
630 IPv4 prefixes
109.105.32.0/19109.108.96.0/19109.224.64.0/18109.239.64.0/20109.69.208.0/21109.70.104.0/24109.70.105.0/24109.70.108.0/24109.70.109.0/24109.70.111.0/24109.72.0.0/20109.80.0.0/15109.80.208.0/22109.80.212.0/22109.81.112.0/20109.81.160.0/20109.81.208.0/24109.81.209.0/24109.81.210.0/24109.81.211.0/24109.81.212.0/24109.81.213.0/24109.81.214.0/24109.81.215.0/24109.81.224.0/19130.129.0.0/16130.129.0.0/17130.129.0.0/18130.129.0.0/19130.129.0.0/20130.129.0.0/21130.129.104.0/21130.129.112.0/20130.129.112.0/21130.129.120.0/21130.129.128.0/17130.129.128.0/18130.129.128.0/19130.129.128.0/20130.129.128.0/21130.129.136.0/21130.129.144.0/20130.129.144.0/21130.129.152.0/21130.129.16.0/20130.129.16.0/21130.129.160.0/19130.129.160.0/20130.129.160.0/21130.129.168.0/21130.129.176.0/20130.129.176.0/21130.129.184.0/21130.129.192.0/18130.129.192.0/19130.129.192.0/20130.129.192.0/21130.129.200.0/21130.129.208.0/20130.129.208.0/21130.129.216.0/21130.129.224.0/19130.129.224.0/20130.129.224.0/21130.129.232.0/21130.129.24.0/21130.129.240.0/20130.129.240.0/21130.129.248.0/21130.129.32.0/19130.129.32.0/20130.129.32.0/21130.129.40.0/21130.129.48.0/20130.129.48.0/21130.129.56.0/21130.129.64.0/18130.129.64.0/19130.129.64.0/20130.129.64.0/21130.129.72.0/21130.129.8.0/21130.129.80.0/20130.129.80.0/21130.129.88.0/21130.129.96.0/19130.129.96.0/20130.129.96.0/21160.218.0.0/16160.218.104.0/21160.218.176.0/21160.218.184.0/21160.218.212.0/22160.218.244.0/22160.218.96.0/21161.195.144.0/24171.25.176.0/24176.102.128.0/19176.118.168.0/23176.118.170.0/23176.222.224.0/21176.97.8.0/21176.98.96.0/20178.17.80.0/20178.17.96.0/20178.72.192.0/18178.72.192.0/19178.72.224.0/19185.100.196.0/22185.108.60.0/22185.131.244.0/22185.136.196.0/22185.14.232.0/22185.140.236.0/23185.140.238.0/24185.143.112.0/22185.147.44.0/22185.148.172.0/22185.15.252.0/22185.157.240.0/22185.158.64.0/22185.159.140.0/24185.159.141.0/24185.159.168.0/22185.159.168.0/24185.159.170.0/24185.160.208.0/22185.162.200.0/22185.162.24.0/22185.163.180.0/22185.163.180.0/24185.163.40.0/22185.175.11.0/24185.185.128.0/22185.186.196.0/22185.186.248.0/22185.188.100.0/22185.188.100.0/24185.188.101.0/24185.188.102.0/24185.188.103.0/24185.191.184.0/22185.194.44.0/22185.195.224.0/22185.195.84.0/22185.197.144.0/22185.210.164.0/22185.210.164.0/24185.210.165.0/24185.210.166.0/24185.210.167.0/24185.211.188.0/22185.211.188.0/24185.211.189.0/24185.211.190.0/24185.211.191.0/24185.212.12.0/22185.214.116.0/22185.221.124.0/22185.228.164.0/22185.228.164.0/23185.228.166.0/23185.230.172.0/22185.231.236.0/22185.235.48.0/22185.236.160.0/22185.242.72.0/22185.243.124.0/22185.248.192.0/23185.248.194.0/23185.252.152.0/22185.3.156.0/22185.3.156.0/23185.3.158.0/24185.3.159.0/24185.32.161.0/24185.32.162.0/23185.36.160.0/22185.43.132.0/22185.43.132.0/24185.43.133.0/24185.43.134.0/24185.43.135.0/24185.51.240.0/22185.59.0.0/22185.61.228.0/22185.70.24.0/22185.73.160.0/22185.74.61.0/24185.78.12.0/22185.8.188.0/22185.82.236.0/22185.88.72.0/22185.92.216.0/24185.92.217.0/24185.92.218.0/24185.92.219.0/24188.119.96.0/22188.175.0.0/16188.175.0.0/18190.124.24.0/22190.124.27.0/24192.0.37.0/24192.0.38.0/24192.0.40.0/24192.0.41.0/24192.0.42.0/24192.5.4.0/23192.5.4.0/24192.5.5.0/24193.0.14.0/23193.0.14.0/24193.0.15.0/24193.0.16.0/23193.0.16.0/24193.0.17.0/24193.107.252.0/22193.17.13.0/24193.17.248.0/22193.17.47.0/24193.176.32.0/24193.201.78.0/23193.232.133.0/24193.245.32.0/21193.245.32.0/24193.245.33.0/24193.245.34.0/24193.245.35.0/24193.245.36.0/24193.245.37.0/24193.245.38.0/24193.245.39.0/24193.29.206.0/24193.29.220.0/24193.33.126.0/23193.33.126.0/24193.33.127.0/24193.34.236.0/22193.35.92.0/22193.42.128.0/22193.84.12.0/22194.0.12.0/24194.0.13.0/24194.0.14.0/24194.15.112.0/24194.15.113.0/24194.164.239.0/24194.165.47.0/24194.228.0.0/16194.228.0.0/17194.228.10.0/24194.228.11.0/24194.228.12.0/24194.228.128.0/17194.228.13.0/24194.228.135.0/24194.228.14.0/23194.228.16.0/22194.228.163.0/24194.228.168.0/21194.228.176.0/20194.228.192.0/18194.228.199.0/24194.228.20.0/24194.228.22.0/23194.228.24.0/21194.228.32.0/24194.228.33.0/24194.228.34.0/23194.228.36.0/22194.228.40.0/21194.228.52.0/22194.228.56.0/23194.228.58.0/24194.228.59.0/24194.228.60.0/22194.228.64.0/22194.228.65.0/24194.228.68.0/24194.228.69.0/24194.228.70.0/23194.228.72.0/22194.228.76.0/24194.228.77.0/24194.228.78.0/24194.228.79.0/24194.228.8.0/23194.228.80.0/20194.228.96.0/19194.31.188.0/22194.31.216.0/22194.50.228.0/22194.55.181.0/24194.55.182.0/24194.55.255.0/24194.56.230.0/24194.59.240.0/22194.79.8.0/22194.8.238.0/24194.93.12.0/23194.93.12.0/24194.93.14.0/23195.149.112.0/24195.200.23.0/24195.47.253.0/24195.5.186.0/24195.78.122.0/23195.93.216.0/23199.253.182.0/24199.253.183.0/24199.4.138.0/24199.4.31.0/24199.43.132.0/24199.43.133.0/24199.43.134.0/24199.43.135.0/24199.7.82.0/23199.7.82.0/24199.7.83.0/24199.7.94.0/24199.7.95.0/24199.91.192.0/21199.91.192.0/22199.91.192.0/23199.91.192.0/24199.91.193.0/24199.91.194.0/23199.91.194.0/24199.91.195.0/24199.91.196.0/23199.91.196.0/24199.91.197.0/24199.91.198.0/23199.91.198.0/24199.91.199.0/24200.0.68.0/23200.0.68.0/24200.0.69.0/24200.7.4.0/24212.237.229.0/24212.4.128.0/19212.4.132.0/24212.4.142.0/23212.96.160.0/19212.96.184.0/24212.96.185.0/24213.155.224.0/19213.155.32.0/19213.180.32.0/19213.19.0.0/17213.194.192.0/20213.194.208.0/22213.194.212.0/22213.194.216.0/21213.194.224.0/19213.211.32.0/19213.211.36.0/24213.211.37.0/24213.211.44.0/22213.250.192.0/18217.117.208.0/20217.170.96.0/20217.194.160.0/20217.195.160.0/20217.196.112.0/20217.196.208.0/20217.197.144.0/20217.197.32.0/20217.31.192.0/2023.133.92.0/2431.10.56.0/2131.130.224.0/2031.130.224.0/2131.130.224.0/2231.130.224.0/2331.130.224.0/2431.130.225.0/2431.130.226.0/2331.130.226.0/2431.130.227.0/2431.130.228.0/2231.130.228.0/2331.130.228.0/2431.130.229.0/2431.130.230.0/2331.130.230.0/2431.130.231.0/2431.130.232.0/2131.130.232.0/2231.130.232.0/2331.130.232.0/2431.130.233.0/2431.130.234.0/2331.130.234.0/2431.130.235.0/2431.130.236.0/2231.130.236.0/2331.130.236.0/2431.130.237.0/2431.130.238.0/2331.130.238.0/2431.130.239.0/2431.133.0.0/1831.133.0.0/1931.133.0.0/2031.133.0.0/2131.133.128.0/1831.133.128.0/1931.133.128.0/2031.133.128.0/2131.133.128.0/2231.133.128.0/2331.133.128.0/2431.133.144.0/2031.133.144.0/2131.133.144.0/2231.133.16.0/2031.133.16.0/2131.133.160.0/1931.133.168.0/2131.133.176.0/2031.133.176.0/2131.133.184.0/2131.133.24.0/2131.133.32.0/1931.133.32.0/2031.133.32.0/2131.133.40.0/2131.133.48.0/2031.184.236.0/2431.192.64.0/1931.31.224.0/1937.188.128.0/1737.188.128.0/2137.188.136.0/2137.188.144.0/2037.188.144.0/2137.188.152.0/2137.188.160.0/2037.188.160.0/2137.188.168.0/2137.188.176.0/2037.188.176.0/2137.188.184.0/2137.188.192.0/2337.188.194.0/2337.188.224.0/2137.188.232.0/2137.188.240.0/2037.188.240.0/2137.188.248.0/2145.129.106.0/2445.129.156.0/2245.129.24.0/2245.130.248.0/2245.159.116.0/2245.84.164.0/2245.91.0.0/2245.91.180.0/2246.183.56.0/2146.23.128.0/2046.23.136.0/2446.231.72.0/2146.39.160.0/195.102.48.0/205.23.39.0/2462.201.16.0/2062.201.19.0/2477.242.80.0/2077.87.232.0/2177.95.192.0/2178.108.144.0/2178.108.152.0/2178.136.128.0/1878.157.160.0/1978.157.160.0/2078.157.160.0/2178.157.168.0/2178.157.176.0/2078.157.176.0/2178.157.184.0/2178.41.16.0/2178.41.8.0/2178.41.8.0/2380.188.0.0/1680.188.0.0/1780.188.120.0/2480.188.128.0/1780.188.131.0/2480.188.165.0/2480.188.170.0/2480.188.200.0/2480.188.202.0/2480.188.222.0/2480.188.225.0/2480.188.40.0/2480.188.51.0/2480.188.53.0/2480.243.236.0/2280.243.96.0/2080.251.240.0/2080.78.136.0/2280.78.144.0/2080.79.0.0/2280.87.176.0/2080.90.128.0/2081.200.48.0/2081.200.48.0/2181.200.56.0/2181.90.160.0/2081.90.168.0/2181.90.168.0/2481.90.170.0/2481.90.173.0/2482.114.192.0/1982.150.160.0/1983.208.0.0/1683.208.0.0/1883.208.128.0/1983.208.220.0/2283.208.64.0/1883.240.0.0/1783.240.76.0/2383.69.32.0/1985.160.0.0/1585.193.0.0/1885.70.0.0/1585.70.0.0/1685.70.0.0/1785.70.128.0/1785.71.0.0/1685.71.224.0/1985.71.240.0/2085.92.96.0/2285.92.96.0/2385.92.98.0/2386.63.192.0/1988.100.0.0/1488.100.0.0/1588.102.0.0/1588.102.0.0/1688.103.192.0/1888.103.218.0/2488.81.64.0/1988.83.160.0/1988.83.175.0/2488.83.224.0/1989.190.128.0/2289.190.32.0/2189.190.39.0/2489.190.40.0/2189.190.48.0/2089.190.52.0/2389.190.55.0/2489.250.240.0/2089.31.12.0/2289.31.8.0/2189.31.8.0/2290.176.0.0/1390.176.128.0/1790.176.170.0/2490.176.32.0/1990.176.64.0/1890.177.0.0/1690.178.0.0/1590.180.0.0/1490.181.0.0/1690.181.128.0/1790.181.227.0/2490.181.228.0/2490.182.0.0/1590.182.0.0/1690.182.108.0/2490.182.109.0/2490.182.110.0/2490.182.134.0/2490.182.138.0/2490.182.146.0/2490.182.161.0/2490.182.220.0/2490.182.221.0/2490.182.87.0/2490.183.0.0/1690.183.108.0/2490.183.151.0/2490.183.38.0/2490.183.57.0/2491.187.32.0/1991.191.64.0/1891.191.64.0/1991.193.132.0/2291.197.116.0/2291.206.91.0/2491.209.10.0/2491.213.10.0/2491.218.232.0/2291.218.232.0/2391.219.119.0/2491.222.52.0/2291.222.52.0/2491.222.53.0/2491.222.54.0/2491.222.55.0/2491.224.100.0/2391.224.64.0/2391.232.82.0/2492.240.160.0/1992.243.192.0/1992.61.80.0/2092.63.48.0/2093.92.48.0/2193.93.32.0/2193.95.32.0/2194.143.168.0/2194.199.192.0/2194.229.80.0/2494.229.81.0/2494.229.82.0/2494.229.83.0/2494.229.84.0/2394.229.86.0/2494.229.87.0/2494.229.88.0/2494.229.89.0/2494.229.90.0/2494.229.91.0/2494.241.64.0/1894.74.192.0/1895.143.128.0/2095.82.128.0/18
184 IPv6 prefixes
2001:1398:121::/482001:1398:274::/482001:1398:a53::/482001:1398:b53::/482001:1488::/322001:148f:fffb::/482001:148f:fffd::/482001:148f:fffe::/482001:148f:ffff::/482001:4130:107::/482001:4130:140::/482001:4130:141::/482001:4130:18::/482001:4130:20::/482001:4130:50f1::/482001:4130:50f2::/482001:4130::/322001:4130:b0::/482001:4130:cd::/482001:4130:ce::/482001:41d8::/322001:4ba8::/292001:4baf::/322001:4cc8::/312001:500:2e::/472001:500:2e::/482001:500:2f::/482001:500:3::/482001:500:86::/482001:500:87::/482001:500:89::/482001:500:8c::/482001:500:8d::/482001:500:8e::/482001:500:8f::/482001:500:9c::/482001:500:9d::/482001:500:9e::/472001:500:9f::/482001:678:10::/482001:678:11::/482001:678:1::/482001:678:f::/482001:67c:1009::/482001:67c:1138::/482001:67c:1230::/462001:67c:1230::/472001:67c:1230::/482001:67c:1232::/472001:67c:1232::/482001:67c:1233::/482001:67c:256c::/482001:67c:258::/482001:67c:2ac0::/482001:67c:2d90::/482001:67c:370::/482001:67c:5e8::/482001:67c:dd4::/482001:7fd:15::/482001:7fd:16::/482001:7fd:17::/482001:7fd::/322001:7fd::/482001:7fd:ffff::/482001:df8::/322001:df8::/332001:df8::/342001:df8::/352001:df8::/362001:df8::/372001:df8::/382001:df8::/392001:df8::/402001:df8::/412001:df8::/422001:df8::/432001:df8::/442001:df8::/452001:df8::/462001:df8::/472001:df8::/482602:800:9004::/482602:800:9005::/482602:800:9007::/482602:f790::/362620:0:22b0::/482620:0:2ee0::/482620:f:8000::/482801:14:a000::/472801:14:a000::/482801:14:a001::/482a00:1028::/292a00:1028::/322a00:7e80::/322a00:a5a1::/322a00:de00::/322a00:de20::/322a00:e4c0::/322a01:9f40::/292a02:1f0::/322a02:2428::/322a02:2588::/292a02:2930::/322a02:350::/292a02:40e0::/322a02:66a0::/322a02:9b8::/312a02:9b8::/322a02:9b9::/322a02:b20::/322a02:c20::/322a02:d8a0:4000::/342a02:d8a0:8000::/332a02:d8a0:8000::/342a02:d8a0::/322a02:d8a0::/332a02:d8a0::/342a02:d8a0:c000::/342a02:f000::/322a03:1600::/322a03:3460::/322a03:7a00::/322a03:9540::/322a03:a820::/322a03:b4c0::/322a04:bc00::/292a05:2c0::/342a05:2c7:c000::/342a05:37c0::/292a05:37c0::/322a05:37c7:100::/402a05:43c0::/292a05:43c2::/322a05:95c0::/292a06:1900::/322a06:28c0::/292a06:8080::/292a06:fe80::/292a07:6100::/292a07:aa80::/292a07:b5c0::/292a07:b640::/292a07:c000::/292a07:ca40::/292a07:cc80::/292a07:f840::/292a09:1980::/292a0a:10c0::/292a0a:1c00::/292a0a:4440::/322a0a:5640::/322a0a:5f40::/322a0a:a800::/292a0a:cac0::/292a0b:6940::/292a0b:70c0::/322a0b:8580::/292a0b:8c80::/292a0b:99c0::/292a0b::/292a0b:bb41::/322a0c:7340::/322a0c:8b40::/292a0c:8f00::/292a0c:c380::/322a0d:1380::/292a0d:187::/322a0d:2600::/292a0d:4b00::/292a0d:b0c0::/292a0d:c000::/292a0e:59c0::/292a0e:840::/292a0f:d240::/322a10:2880::/322a10:c540::/292a10:f781:10:4068::/642a11:9c00::/402a13:e900::/322a13:e901::/322a13:e902::/322a14:2040::/292a14:8900::/292a14:8900::/32
Registries
Each registry’s copy
RIPE6 membersO2 CZECH REPUBLIC - SECURE VLAN EXCHANGE.
| Maintained by | AS5610-MTN |
| Last modified | 2026-02-18T07:31:40Z |
| Members | AS5610 AS20884 AS198282 AS42908 AS-NEJCZ-NIXCZ AS197353 |
| mbrs-by-ref | N |