ResearchIRR · RIPE

AS-FIRSTCOLO Customers of firstcolo GmbH (AS44066)

An as-set registered in RIPE, maintained by MNT-FIRSTCOLO. It names 23 ASes and 9 sets directly; followed all the way down, it reaches 3,923 ASes through 712 nested sets.

Members

What AS-FIRSTCOLO lists

23 ASes and 9 sets, written in the object across every registry that holds it. Sets open their own page.

AS-ACCELERATEDAS-CROITAS-EONIXAS-PORTLANEAS-QORENECTAS-RCODEZEROAS-TRUSTED-COLOAS-WIBOAS214895:AS-BIT-GROUPAS1921 RCODEZERO-ANYCAST-SEC1-TLDAS25484 FIRSTCOLO-HAAS25795 ARPNETAS31400 ACCELERATED-ITAS44051 FORNEX-ASAS44066 DE-FIRSTCOLOAS49532 SERVERHUB-NLAS50198 SHOP-APOTHEKE-SERVICE-GmbHAS60211 NL-FIRSTCOLOAS60819 SAFENAMES-ASAS199476 SYNDICATAS200249 DE-PRODUCTSUPAS203833 AT-FIRSTCOLOAS204119 ISPONEAS205948 CREOLINE-ASAS206880 AGILIMO-ASAS207298 luckycloudAS208621 logicforgeAS209169 CROITAS213726 DE-EFSAS214036 ULTAHOST-ASAS215741 detacon-ASAS216093 SERVERGUARD
Expanded

Every AS it reaches

What a filter built from AS-FIRSTCOLO would let in: 3,923 ASes, the first 3,000 listed.

Show the 3,000 ASes
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Prefixes

What AS-FIRSTCOLO covers

Every route object in the IRR whose origin is one of the 3,923 ASes it reaches: the prefixes a filter built from AS-FIRSTCOLO (with bgpq4, say) would allow. 251,183 IPv4 and 397,036 IPv6. Every one is in the IRR API.

251,183 IPv4 prefixesthe first 1,000 listed
1.0.0.0/241.1.1.0/241.118.3.0/241.120.0.0/131.128.0.0/111.178.10.0/241.178.100.0/241.178.101.0/241.178.102.0/241.178.103.0/241.178.11.0/241.178.16.0/241.178.17.0/241.178.172.0/241.178.173.0/241.178.18.0/241.178.180.0/221.178.19.0/241.178.20.0/241.178.21.0/241.178.22.0/241.178.23.0/241.178.24.0/241.178.25.0/241.178.26.0/241.178.27.0/241.178.28.0/241.178.29.0/241.178.31.0/241.178.32.0/191.178.32.0/201.178.32.0/241.178.33.0/241.178.34.0/241.178.35.0/241.178.36.0/241.178.37.0/241.178.38.0/241.178.39.0/241.178.4.0/241.178.40.0/241.178.41.0/241.178.42.0/241.178.43.0/241.178.44.0/241.178.45.0/241.178.46.0/241.178.47.0/241.178.48.0/201.178.5.0/241.178.6.0/241.178.64.0/241.178.65.0/241.178.7.0/241.178.72.0/211.178.8.0/241.178.88.0/241.178.89.0/241.178.9.0/241.178.90.0/241.178.91.0/241.178.92.0/241.178.93.0/241.178.94.0/241.178.95.0/241.179.100.0/241.179.101.0/241.179.102.0/241.179.103.0/241.179.14.0/241.179.15.0/241.179.2.0/231.179.60.0/241.179.61.0/241.186.0.0/161.2.4.0/241.22.0.0/151.22.0.0/161.22.0.0/171.22.0.0/181.22.0.0/191.22.0.0/201.22.0.0/211.22.0.0/221.22.0.0/231.22.0.0/241.22.1.0/241.22.10.0/231.22.10.0/241.22.100.0/221.22.100.0/231.22.100.0/241.22.101.0/241.22.102.0/231.22.102.0/241.22.103.0/241.22.104.0/211.22.104.0/221.22.104.0/231.22.104.0/241.22.105.0/241.22.106.0/231.22.106.0/241.22.107.0/241.22.108.0/221.22.108.0/231.22.108.0/241.22.109.0/241.22.11.0/241.22.110.0/231.22.110.0/241.22.111.0/241.22.112.0/201.22.112.0/211.22.112.0/221.22.112.0/231.22.112.0/241.22.113.0/241.22.114.0/231.22.114.0/241.22.115.0/241.22.116.0/221.22.116.0/231.22.116.0/241.22.117.0/241.22.118.0/231.22.118.0/241.22.119.0/241.22.12.0/221.22.12.0/231.22.12.0/241.22.120.0/211.22.120.0/221.22.120.0/231.22.120.0/241.22.121.0/241.22.122.0/231.22.122.0/241.22.123.0/241.22.124.0/221.22.124.0/231.22.124.0/241.22.125.0/241.22.126.0/231.22.126.0/241.22.127.0/241.22.128.0/171.22.128.0/181.22.128.0/191.22.128.0/201.22.128.0/211.22.128.0/221.22.128.0/231.22.128.0/241.22.129.0/241.22.13.0/241.22.130.0/231.22.130.0/241.22.131.0/241.22.132.0/221.22.132.0/231.22.132.0/241.22.133.0/241.22.134.0/231.22.134.0/241.22.135.0/241.22.136.0/211.22.136.0/221.22.136.0/231.22.136.0/241.22.137.0/241.22.138.0/231.22.138.0/241.22.139.0/241.22.14.0/231.22.14.0/241.22.140.0/221.22.140.0/231.22.140.0/241.22.141.0/241.22.142.0/231.22.142.0/241.22.143.0/241.22.144.0/201.22.144.0/211.22.144.0/221.22.144.0/231.22.144.0/241.22.145.0/241.22.146.0/231.22.146.0/241.22.147.0/241.22.148.0/221.22.148.0/231.22.148.0/241.22.149.0/241.22.15.0/241.22.150.0/231.22.150.0/241.22.151.0/241.22.152.0/211.22.152.0/221.22.152.0/231.22.152.0/241.22.153.0/241.22.154.0/231.22.154.0/241.22.155.0/241.22.156.0/221.22.156.0/231.22.156.0/241.22.157.0/241.22.158.0/231.22.158.0/241.22.159.0/241.22.16.0/201.22.16.0/211.22.16.0/221.22.16.0/231.22.16.0/241.22.160.0/191.22.160.0/201.22.160.0/211.22.160.0/221.22.160.0/231.22.160.0/241.22.161.0/241.22.162.0/231.22.162.0/241.22.163.0/241.22.164.0/221.22.164.0/231.22.164.0/241.22.165.0/241.22.166.0/231.22.166.0/241.22.167.0/241.22.168.0/211.22.168.0/221.22.168.0/231.22.168.0/241.22.169.0/241.22.17.0/241.22.170.0/231.22.170.0/241.22.171.0/241.22.172.0/221.22.172.0/231.22.172.0/241.22.173.0/241.22.174.0/231.22.174.0/241.22.175.0/241.22.176.0/201.22.176.0/211.22.176.0/221.22.176.0/231.22.176.0/241.22.177.0/241.22.178.0/231.22.178.0/241.22.179.0/241.22.18.0/231.22.18.0/241.22.180.0/221.22.180.0/231.22.180.0/241.22.181.0/241.22.182.0/231.22.182.0/241.22.183.0/241.22.184.0/211.22.184.0/221.22.184.0/231.22.184.0/241.22.185.0/241.22.186.0/231.22.186.0/241.22.187.0/241.22.188.0/221.22.188.0/231.22.188.0/241.22.189.0/241.22.19.0/241.22.190.0/231.22.190.0/241.22.191.0/241.22.192.0/181.22.192.0/191.22.192.0/201.22.192.0/211.22.192.0/221.22.192.0/231.22.192.0/241.22.193.0/241.22.194.0/231.22.194.0/241.22.195.0/241.22.196.0/221.22.196.0/231.22.196.0/241.22.197.0/241.22.198.0/231.22.198.0/241.22.199.0/241.22.2.0/231.22.2.0/241.22.20.0/221.22.20.0/231.22.20.0/241.22.200.0/211.22.200.0/221.22.200.0/231.22.200.0/241.22.201.0/241.22.202.0/231.22.202.0/241.22.203.0/241.22.204.0/221.22.204.0/231.22.204.0/241.22.205.0/241.22.206.0/231.22.206.0/241.22.207.0/241.22.208.0/201.22.208.0/211.22.208.0/221.22.208.0/231.22.208.0/241.22.209.0/241.22.21.0/241.22.210.0/231.22.210.0/241.22.211.0/241.22.212.0/221.22.212.0/231.22.212.0/241.22.213.0/241.22.214.0/231.22.214.0/241.22.215.0/241.22.216.0/211.22.216.0/221.22.216.0/231.22.216.0/241.22.217.0/241.22.218.0/231.22.218.0/241.22.219.0/241.22.22.0/231.22.22.0/241.22.220.0/221.22.220.0/231.22.220.0/241.22.221.0/241.22.222.0/231.22.222.0/241.22.223.0/241.22.224.0/191.22.224.0/201.22.224.0/211.22.224.0/221.22.224.0/231.22.224.0/241.22.225.0/241.22.226.0/231.22.226.0/241.22.227.0/241.22.228.0/221.22.228.0/231.22.228.0/241.22.229.0/241.22.23.0/241.22.230.0/231.22.230.0/241.22.231.0/241.22.232.0/211.22.232.0/221.22.232.0/231.22.232.0/241.22.233.0/241.22.234.0/231.22.234.0/241.22.235.0/241.22.236.0/221.22.236.0/231.22.236.0/241.22.237.0/241.22.238.0/231.22.238.0/241.22.239.0/241.22.24.0/211.22.24.0/221.22.24.0/231.22.24.0/241.22.240.0/201.22.240.0/211.22.240.0/221.22.240.0/231.22.240.0/241.22.241.0/241.22.242.0/231.22.242.0/241.22.243.0/241.22.244.0/221.22.244.0/231.22.244.0/241.22.245.0/241.22.246.0/231.22.246.0/241.22.247.0/241.22.248.0/211.22.248.0/221.22.248.0/231.22.248.0/241.22.249.0/241.22.25.0/241.22.250.0/231.22.250.0/241.22.251.0/241.22.252.0/221.22.252.0/231.22.252.0/241.22.253.0/241.22.254.0/231.22.254.0/241.22.255.0/241.22.26.0/231.22.26.0/241.22.27.0/241.22.28.0/221.22.28.0/231.22.28.0/241.22.29.0/241.22.3.0/241.22.30.0/231.22.30.0/241.22.31.0/241.22.32.0/191.22.32.0/201.22.32.0/211.22.32.0/221.22.32.0/231.22.32.0/241.22.33.0/241.22.34.0/231.22.34.0/241.22.35.0/241.22.36.0/221.22.36.0/231.22.36.0/241.22.37.0/241.22.38.0/231.22.38.0/241.22.39.0/241.22.4.0/221.22.4.0/231.22.4.0/241.22.40.0/211.22.40.0/221.22.40.0/231.22.40.0/241.22.41.0/241.22.42.0/231.22.42.0/241.22.43.0/241.22.44.0/221.22.44.0/231.22.44.0/241.22.45.0/241.22.46.0/231.22.46.0/241.22.47.0/241.22.48.0/201.22.48.0/211.22.48.0/221.22.48.0/231.22.48.0/241.22.49.0/241.22.5.0/241.22.50.0/231.22.50.0/241.22.51.0/241.22.52.0/221.22.52.0/231.22.52.0/241.22.53.0/241.22.54.0/231.22.54.0/241.22.55.0/241.22.56.0/211.22.56.0/221.22.56.0/231.22.56.0/241.22.57.0/241.22.58.0/231.22.58.0/241.22.59.0/241.22.6.0/231.22.6.0/241.22.60.0/221.22.60.0/231.22.60.0/241.22.61.0/241.22.62.0/231.22.62.0/241.22.63.0/241.22.64.0/181.22.64.0/191.22.64.0/201.22.64.0/211.22.64.0/221.22.64.0/231.22.64.0/241.22.65.0/241.22.66.0/231.22.66.0/241.22.67.0/241.22.68.0/221.22.68.0/231.22.68.0/241.22.69.0/241.22.7.0/241.22.70.0/231.22.70.0/241.22.71.0/241.22.72.0/211.22.72.0/221.22.72.0/231.22.72.0/241.22.73.0/241.22.74.0/231.22.74.0/241.22.75.0/241.22.76.0/221.22.76.0/231.22.76.0/241.22.77.0/241.22.78.0/231.22.78.0/241.22.79.0/241.22.8.0/211.22.8.0/221.22.8.0/231.22.8.0/241.22.80.0/201.22.80.0/211.22.80.0/221.22.80.0/231.22.80.0/241.22.81.0/241.22.82.0/231.22.82.0/241.22.83.0/241.22.84.0/221.22.84.0/231.22.84.0/241.22.85.0/241.22.86.0/231.22.86.0/241.22.87.0/241.22.88.0/211.22.88.0/221.22.88.0/231.22.88.0/241.22.89.0/241.22.9.0/241.22.90.0/231.22.90.0/241.22.91.0/241.22.92.0/221.22.92.0/231.22.92.0/241.22.93.0/241.22.94.0/231.22.94.0/241.22.95.0/241.22.96.0/191.22.96.0/201.22.96.0/211.22.96.0/221.22.96.0/231.22.96.0/241.22.97.0/241.22.98.0/231.22.98.0/241.22.99.0/241.23.0.0/161.23.0.0/171.23.0.0/181.23.0.0/191.23.0.0/201.23.0.0/211.23.0.0/221.23.0.0/231.23.0.0/241.23.1.0/241.23.10.0/231.23.10.0/241.23.100.0/221.23.100.0/231.23.100.0/241.23.101.0/241.23.102.0/231.23.102.0/241.23.103.0/241.23.104.0/211.23.104.0/221.23.104.0/231.23.104.0/241.23.105.0/241.23.106.0/231.23.106.0/241.23.107.0/241.23.108.0/221.23.108.0/231.23.108.0/241.23.109.0/241.23.11.0/241.23.110.0/231.23.110.0/241.23.111.0/241.23.112.0/201.23.112.0/211.23.112.0/221.23.112.0/231.23.112.0/241.23.113.0/241.23.114.0/231.23.114.0/241.23.115.0/241.23.116.0/221.23.116.0/231.23.116.0/241.23.117.0/241.23.118.0/231.23.118.0/241.23.119.0/241.23.12.0/221.23.12.0/231.23.12.0/241.23.120.0/211.23.120.0/221.23.120.0/231.23.120.0/241.23.121.0/241.23.122.0/231.23.122.0/241.23.123.0/241.23.124.0/221.23.124.0/231.23.124.0/241.23.125.0/241.23.126.0/231.23.126.0/241.23.127.0/241.23.128.0/171.23.128.0/181.23.128.0/191.23.128.0/201.23.128.0/211.23.128.0/221.23.128.0/231.23.128.0/241.23.129.0/241.23.13.0/241.23.130.0/231.23.130.0/241.23.131.0/241.23.132.0/221.23.132.0/231.23.132.0/241.23.133.0/241.23.134.0/231.23.134.0/241.23.135.0/241.23.136.0/211.23.136.0/221.23.136.0/231.23.136.0/241.23.137.0/241.23.138.0/231.23.138.0/241.23.139.0/241.23.14.0/231.23.14.0/241.23.140.0/221.23.140.0/231.23.140.0/241.23.141.0/241.23.142.0/231.23.142.0/241.23.143.0/241.23.144.0/201.23.144.0/211.23.144.0/221.23.144.0/231.23.144.0/241.23.145.0/241.23.146.0/231.23.146.0/241.23.147.0/241.23.148.0/221.23.148.0/231.23.148.0/241.23.149.0/241.23.15.0/241.23.150.0/231.23.150.0/241.23.151.0/241.23.152.0/211.23.152.0/221.23.152.0/231.23.152.0/241.23.153.0/241.23.154.0/231.23.154.0/241.23.155.0/241.23.156.0/221.23.156.0/231.23.156.0/241.23.157.0/241.23.158.0/231.23.158.0/241.23.159.0/241.23.16.0/201.23.16.0/211.23.16.0/221.23.16.0/231.23.16.0/241.23.160.0/191.23.160.0/201.23.160.0/211.23.160.0/221.23.160.0/231.23.160.0/241.23.161.0/241.23.162.0/231.23.162.0/241.23.163.0/241.23.164.0/221.23.164.0/231.23.164.0/241.23.165.0/241.23.166.0/231.23.166.0/241.23.167.0/241.23.168.0/211.23.168.0/221.23.168.0/231.23.168.0/241.23.169.0/241.23.17.0/241.23.170.0/231.23.170.0/241.23.171.0/241.23.172.0/221.23.172.0/231.23.172.0/241.23.173.0/241.23.174.0/231.23.174.0/241.23.175.0/241.23.176.0/201.23.176.0/211.23.176.0/221.23.176.0/231.23.176.0/241.23.177.0/241.23.178.0/231.23.178.0/241.23.179.0/241.23.18.0/231.23.18.0/241.23.180.0/221.23.180.0/231.23.180.0/241.23.181.0/241.23.182.0/231.23.182.0/241.23.183.0/241.23.184.0/211.23.184.0/221.23.184.0/231.23.184.0/241.23.185.0/241.23.186.0/231.23.186.0/241.23.187.0/241.23.18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397,036 IPv6 prefixesthe first 1,000 listed
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Registries

Each registry’s copy

RIPE32 membersCustomers of firstcolo GmbH (AS44066)
Maintained byMNT-FIRSTCOLO
Last modified2026-08-12T15:15:00Z
MembersAS44066 AS25484 AS60211 AS-CROIT AS209169 AS-WIBO AS203833 AS25795 AS49532 AS1921 AS31400 AS204119 AS50198 AS-EONIX AS-QORENECT AS-RCODEZERO AS-ACCELERATED AS207298 AS60819 AS205948 AS44051 AS200249 AS214895:AS-BIT-GROUP AS216093 AS213726 AS208621 AS214036 AS206880 AS-PORTLANE AS199476 AS-TRUSTED-COLO AS215741
mbrs-by-refN
Used by

Sets that include AS-FIRSTCOLO

AS-ACCELERATEDAS-FRYS-IX-CONNECTEDAS-GTTCUSTAS-GTTCUST6AS-HIBERNIA-IVAS-PEERINGCZ-RSAS-PORTLANEAS1299:AS-TWELVE99-EU-V4AS1299:AS-TWELVE99-EU-V6AS2914:AS-EUROPEAS2914:AS-EUROPE-V6AS3216:AS-DE-CIXAS3216:AS-DECIXAS3320:AS-DTAGAS3320:AS-DTAG-V6AS5580:AS-HIBERNIA-IVAS6695:AS-DECIX-FRAAS6695:AS-DECIX-FRA-V6
Tools

Check AS-FIRSTCOLO live

IRR API, with prefixes