ResearchIRR · RIPE

AS-CRA-CZNIX Radiokomunikace ASes propagated to NIX.CZ The…

An as-set registered in RIPE, maintained by BLUETONE-MNT. It names 29 ASes and 5 sets directly; followed all the way down, it reaches 53 ASes through 7 nested sets.

Members

What AS-CRA-CZNIX lists

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

AS-CLOUD4COMAS-CZ-DSAS-CZNIC-TRANSITAS-FIXNETAS-MODERNTVAS11521 MODUSLINKAS25248 BlueTone-ASAS39790 WEB4UAS48405 CGI-CZ-AS1AS52058 petrkovice_netAS52130 ARTCOMPANYCZAS57496 PRAHA1NET-ASAS57904 ASVEVYNETAS59925 GIGASERVERAS62083 FIO-BANKA-ASAS196762 ASALKOMAS196822 SELECTSYSTEM-ASAS197875 UNIPETROLRPAAS199600 VirtisAS200871 rockawayx-euAS201594 CTU_AS4AS201727 AS_BUBAKOVAS202073 ABS-ACLOUD-CLIENTS1AS202556 ASKRIVONETAS204351 NAMAS204405 DurnetCZAS205724 TSB-ASAS206438 MXNET-ASAS206613 TIPSPORT-NET-ASAS206712 FeldHost-ASAS207391 EDGROUPAS213223 gasnetAS213359 MAZEL_BIZ_ASAS215704 NGN-CZ
Expanded

Every AS it reaches

What a filter built from AS-CRA-CZNIX would let in: 53 ASes.

Show the 53 ASes
AS3557AS11521AS20144AS20701AS20723AS25152AS25192AS25248AS26710AS27500AS29067AS29663AS30134AS39790AS44424AS47110AS48405AS51331AS52058AS52130AS52234AS52304AS56554AS57496AS57904AS59925AS61455AS62083AS196762AS196822AS197046AS197875AS198813AS199600AS200070AS200871AS201594AS201727AS201730AS202073AS202556AS204351AS204405AS205724AS206438AS206613AS206712AS207391AS207850AS208060AS213223AS213359AS215704
Prefixes

What AS-CRA-CZNIX covers

Every route object in the IRR whose origin is one of the 53 ASes it reaches: the prefixes a filter built from AS-CRA-CZNIX (with bgpq4, say) would allow. 385 IPv4 and 157 IPv6. Every one is in the IRR API.

385 IPv4 prefixes
109.70.104.0/24109.70.105.0/24109.70.108.0/24109.70.109.0/24109.70.111.0/24130.129.0.0/16130.129.0.0/17130.129.0.0/18130.129.0.0/19130.129.0.0/20130.129.0.0/21130.129.104.0/21130.129.112.0/20130.129.112.0/21130.129.120.0/21130.129.128.0/17130.129.128.0/18130.129.128.0/19130.129.128.0/20130.129.128.0/21130.129.136.0/21130.129.144.0/20130.129.144.0/21130.129.152.0/21130.129.16.0/20130.129.16.0/21130.129.160.0/19130.129.160.0/20130.129.160.0/21130.129.168.0/21130.129.176.0/20130.129.176.0/21130.129.184.0/21130.129.192.0/18130.129.192.0/19130.129.192.0/20130.129.192.0/21130.129.200.0/21130.129.208.0/20130.129.208.0/21130.129.216.0/21130.129.224.0/19130.129.224.0/20130.129.224.0/21130.129.232.0/21130.129.24.0/21130.129.240.0/20130.129.240.0/21130.129.248.0/21130.129.32.0/19130.129.32.0/20130.129.32.0/21130.129.40.0/21130.129.48.0/20130.129.48.0/21130.129.56.0/21130.129.64.0/18130.129.64.0/19130.129.64.0/20130.129.64.0/21130.129.72.0/21130.129.8.0/21130.129.80.0/20130.129.80.0/21130.129.88.0/21130.129.96.0/19130.129.96.0/20130.129.96.0/21131.117.208.0/21138.226.224.0/24138.226.225.0/24138.226.231.0/24152.114.200.0/23152.114.200.0/24152.114.201.0/24171.25.176.0/24176.101.144.0/20178.20.136.0/21178.248.56.0/21185.10.84.0/22185.111.96.0/22185.111.96.0/24185.111.97.0/24185.111.98.0/24185.111.99.0/24185.138.244.0/22185.138.244.0/23185.138.244.0/24185.138.245.0/24185.138.246.0/23185.138.246.0/24185.138.247.0/24185.14.224.0/22185.14.224.0/23185.14.226.0/23185.146.148.0/22185.146.148.0/23185.146.148.0/24185.146.149.0/24185.146.150.0/23185.146.150.0/24185.146.151.0/24185.152.100.0/22185.159.140.0/24185.159.141.0/24185.159.92.0/22185.174.168.0/24185.174.169.0/24185.174.170.0/24185.186.160.0/22185.186.160.0/24185.186.161.0/24185.186.162.0/24185.186.163.0/24185.22.236.0/22185.241.240.0/22185.241.240.0/24185.241.241.0/24185.241.242.0/24185.241.243.0/24185.255.240.0/22185.255.240.0/24185.255.241.0/24185.255.242.0/24185.255.243.0/24185.43.132.0/22185.43.132.0/24185.43.133.0/24185.43.134.0/24185.43.135.0/24185.49.188.0/24185.64.40.0/22185.65.92.0/22185.65.92.0/23185.65.92.0/24185.65.93.0/24185.65.94.0/24185.65.95.0/24185.66.36.0/22185.68.215.0/24185.78.100.0/22185.78.100.0/24185.78.101.0/24185.78.102.0/24185.78.103.0/24185.84.232.0/22185.9.116.0/22188.116.64.0/18188.246.112.0/23188.246.114.0/24188.246.115.0/24188.246.116.0/22188.246.116.0/24188.246.117.0/24188.246.118.0/24188.246.119.0/24188.92.40.0/21188.92.40.0/22188.92.40.0/23188.92.40.0/24188.92.41.0/24188.92.42.0/23188.92.42.0/24188.92.43.0/24188.92.44.0/22188.92.44.0/23188.92.44.0/24188.92.45.0/24188.92.46.0/23188.92.46.0/24188.92.47.0/24190.124.24.0/22190.124.27.0/24192.0.37.0/24192.0.38.0/24192.0.40.0/24192.0.41.0/24192.0.42.0/24192.5.4.0/23192.5.4.0/24192.5.5.0/24193.0.14.0/23193.0.14.0/24193.0.15.0/24193.0.16.0/23193.0.16.0/24193.0.17.0/24193.108.178.0/24193.108.20.0/24193.168.244.0/22193.168.244.0/24193.168.245.0/24193.168.246.0/24193.168.247.0/24193.17.47.0/24193.29.206.0/24193.29.220.0/24193.32.56.0/24193.34.80.0/24193.43.30.0/23193.43.30.0/24193.43.31.0/24193.43.32.0/23193.43.32.0/24193.43.33.0/24194.0.12.0/24194.0.13.0/24194.0.14.0/24194.169.252.0/24194.228.95.0/24195.149.112.0/24195.190.147.0/24195.39.239.0/24195.47.253.0/24199.253.182.0/24199.253.183.0/24199.4.138.0/24199.4.31.0/24199.43.132.0/24199.43.133.0/24199.43.134.0/24199.43.135.0/24199.7.82.0/23199.7.82.0/24199.7.83.0/24199.7.94.0/24199.7.95.0/24199.91.192.0/21199.91.192.0/22199.91.192.0/23199.91.192.0/24199.91.193.0/24199.91.194.0/23199.91.194.0/24199.91.195.0/24199.91.196.0/23199.91.196.0/24199.91.197.0/24199.91.198.0/23199.91.198.0/24199.91.199.0/24200.0.68.0/23200.0.68.0/24200.0.69.0/24200.7.4.0/24208.14.214.0/24208.23.32.0/19212.158.128.0/19212.237.229.0/24212.6.38.0/24216.245.12.0/22216.245.17.0/24216.245.4.0/22216.245.40.0/24216.245.41.0/24216.245.45.0/24216.245.47.0/24216.245.48.0/24216.245.51.0/24216.245.8.0/24217.112.160.0/20217.115.240.0/20217.31.192.0/2023.133.92.0/2431.130.224.0/2031.130.224.0/2131.130.224.0/2231.130.224.0/2331.130.224.0/2431.130.225.0/2431.130.226.0/2331.130.226.0/2431.130.227.0/2431.130.228.0/2231.130.228.0/2331.130.228.0/2431.130.229.0/2431.130.230.0/2331.130.230.0/2431.130.231.0/2431.130.232.0/2131.130.232.0/2231.130.232.0/2331.130.232.0/2431.130.233.0/2431.130.234.0/2331.130.234.0/2431.130.235.0/2431.130.236.0/2231.130.236.0/2331.130.236.0/2431.130.237.0/2431.130.238.0/2331.130.238.0/2431.130.239.0/2431.133.0.0/1831.133.0.0/1931.133.0.0/2031.133.0.0/2131.133.128.0/1831.133.128.0/1931.133.128.0/2031.133.128.0/2131.133.128.0/2231.133.128.0/2331.133.128.0/2431.133.144.0/2031.133.144.0/2131.133.144.0/2231.133.16.0/2031.133.16.0/2131.133.160.0/1931.133.168.0/2131.133.176.0/2031.133.176.0/2131.133.184.0/2131.133.24.0/2131.133.32.0/1931.133.32.0/2031.133.32.0/2131.133.40.0/2131.133.48.0/2031.177.30.0/2437.221.88.0/2237.221.88.0/2337.221.88.0/2437.221.89.0/2437.221.90.0/2337.221.90.0/2437.221.91.0/2445.140.240.0/2246.174.56.0/2146.227.174.0/2477.223.216.0/2179.170.248.0/2181.91.80.0/2081.91.80.0/2181.91.88.0/2182.99.128.0/1884.244.64.0/1885.132.180.0/2285.132.180.0/2485.132.181.0/2485.132.182.0/2485.132.183.0/2485.132.184.0/2285.132.184.0/2485.132.185.0/2485.132.186.0/2485.132.187.0/2485.132.188.0/2285.132.188.0/2485.132.189.0/2485.132.190.0/2485.132.191.0/2485.207.0.0/1689.150.53.0/2489.150.54.0/2489.250.100.0/2289.250.96.0/2189.250.96.0/2290.182.6.0/2491.209.101.0/2491.213.10.0/2491.221.212.0/2391.223.74.0/2491.228.187.0/2491.231.171.0/2491.236.40.0/2292.38.6.0/2492.38.7.0/2492.43.56.0/2192.43.56.0/2292.43.56.0/2492.43.57.0/2492.43.58.0/2492.43.59.0/2492.43.60.0/2292.43.60.0/2492.43.61.0/2492.43.62.0/2392.43.62.0/2492.43.63.0/2492.62.124.0/2293.89.96.0/20
157 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::/482001:1568:8000::/332001:1568::/322001:1568::/332001:4130:107::/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::/482001:500:2e::/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::/482001:678:320::/482001:678:f::/482001:67c:1230::/462001:67c:1230::/472001:67c:1230::/482001:67c:1232::/472001:67c:1232::/482001:67c:1233::/482001:67c:2100::/482001:67c:258::/482001:67c:2594::/482001:67c:2ac0::/482001:67c:370::/482001:67c:454::/482001:67c:5e8::/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::/482a00:6500::/292a00:c584::/302a00:c584::/322a00:c587:fc00::/402a00:c587:fd00::/402a00:c587:fe00::/402a00:c587:ff00::/402a02:17a5::/322a02:7a00:8::/482a02:7d00:1::/482a02:7d00::/322a02:7d00:dc4::/482a02:a40::/322a02:d5c0::/292a03:1160::/402a03:1aa0:4000::/362a03:1aa0:8000::/362a03:1aa0::/322a03:1aa0::/362a03:1e20::/322a03:3840::/292a03:3840::/322a03:5e40::/322a03:76e0::/322a03:ab00::/322a05:1c47::/322a05:5fc0::/322a05:5fc1::/322a09:4dc0::/322a0b:9280:1000::/362a0b:9280:2000::/362a0b:9280:3000::/362a0b:9280:4000::/362a0b:9280:5000::/362a0b:9280:6000::/362a0b:9280:7000::/362a0b:9280:8000::/362a0b:9280:9000::/362a0b:9280::/292a0b:9280::/362a0b:9280:a000::/362a0b:9280:b000::/362a0b:9280:c000::/362a0b:9280:d000::/362a0b:9280:e000::/362a0b:9280:f000::/362a0b:9281:1000::/362a0b:9281:2000::/362a0b:9281:3000::/362a0b:9281:4000::/362a0b:9281:5000::/362a0b:9281:6000::/362a0b:9281:7000::/362a0b:9281:8000::/362a0b:9281:9000::/362a0b:9281::/362a0b:9281:a000::/362a0b:9281:b000::/362a0b:9281:c000::/362a0b:9281:d000::/362a0b:9281:e000::/362a0b:9281:f000::/362a0b:a900::/322a0b:a901::/322a0b:a902::/322a0f:b880::/292a10:d840::/292a14:5080::/32
Registries

Each registry’s copy

RIPE34 membersRadiokomunikace ASes propagated to NIX.CZ The Czech Republic, Prague
Maintained byBLUETONE-MNT
Last modified2026-09-02T12:02:45Z
MembersAS-CZNIC-TRANSIT AS-FIXNET AS-MODERNTV AS-CLOUD4COM AS-CZ-DS AS25248 AS196822 AS196762 AS199600 AS57904 AS52130 AS39790 AS197875 AS48405 AS57496 AS204405 AS204351 AS202556 AS201727 AS205724 AS201594 AS206712 AS213223 AS52058 AS59925 AS62083 AS215704 AS11521 AS206438 AS213359 AS202073 AS207391 AS200871 AS206613
mbrs-by-refN
Used by

Sets that include AS-CRA-CZNIX

AS-NIXCZ-RSCLIENTSAS47200:AS-NIXCZ-RSCLIENTSAS6881:AS-NIXCZ-CLIENTS
Tools

Check AS-CRA-CZNIX live

IRR API, with prefixes