ResearchIRR · RIPE

AS8220:AS-COLTBG AS numbers routed by Colt Bulgaria

An as-set registered in RIPE, maintained by COLT-MNT. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS8220:AS-COLTBG lists

3 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS8220 COLTAS9146 BIHNETAS15404 COLT
Expanded

Every AS it reaches

What a filter built from AS8220:AS-COLTBG would let in: 3 ASes.

Show the 3 ASes
AS8220AS9146AS15404
Prefixes

What AS8220:AS-COLTBG covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS8220:AS-COLTBG (with bgpq4, say) would allow. 511 IPv4 and 49 IPv6. Every one is in the IRR API.

511 IPv4 prefixes
103.138.100.0/22103.248.76.0/24109.107.145.0/24109.163.128.0/18109.163.128.0/19109.163.128.0/20109.163.128.0/21109.163.128.0/22109.163.132.0/22109.163.136.0/21109.163.144.0/20109.163.144.0/21109.163.144.0/23109.163.146.0/24109.163.147.0/24109.163.148.0/22109.163.148.0/23109.163.150.0/23109.163.152.0/21109.163.160.0/20109.163.160.0/21109.163.168.0/21109.163.168.0/23109.163.170.0/24109.163.171.0/24109.163.172.0/22109.163.176.0/20109.163.180.0/22109.163.184.0/21109.163.184.0/22109.163.188.0/23109.163.190.0/23109.175.0.0/17109.175.0.0/18109.175.0.0/19109.175.0.0/20109.175.100.0/22109.175.100.0/23109.175.102.0/23109.175.104.0/21109.175.104.0/22109.175.104.0/23109.175.106.0/23109.175.108.0/22109.175.112.0/20109.175.112.0/22109.175.116.0/22109.175.12.0/23109.175.120.0/22109.175.124.0/22109.175.14.0/23109.175.15.0/24109.175.16.0/20109.175.16.0/24109.175.18.0/24109.175.20.0/23109.175.22.0/23109.175.24.0/24109.175.26.0/24109.175.28.0/23109.175.30.0/24109.175.32.0/19109.175.32.0/20109.175.32.0/21109.175.38.0/23109.175.40.0/21109.175.40.0/22109.175.44.0/23109.175.46.0/23109.175.48.0/20109.175.6.0/23109.175.64.0/18109.175.64.0/19109.175.64.0/20109.175.80.0/20109.175.96.0/19109.175.96.0/20109.175.96.0/21109.175.96.0/22109.175.96.0/23109.175.98.0/23110.50.78.0/23116.83.0.0/17118.67.224.0/19129.35.17.0/24129.35.20.0/23129.35.85.0/24129.41.90.0/24134.128.168.0/22136.225.0.0/16139.138.235.0/24139.138.240.0/24139.181.48.0/24141.98.45.0/24145.224.32.0/23148.109.0.0/16148.109.25.0/24148.188.0.0/20148.188.192.0/20148.188.224.0/22148.188.232.0/21153.96.140.0/24153.96.141.0/24154.16.166.0/24155.137.0.0/24155.137.1.0/24155.137.2.0/24155.137.3.0/24155.137.7.0/24155.45.128.0/24156.118.0.0/24156.118.6.0/24156.118.8.0/24157.120.224.0/21157.120.236.0/22157.120.240.0/20157.2.32.0/19157.2.48.0/21157.239.128.0/24157.239.129.0/24158.156.155.0/24158.156.162.0/24158.156.172.0/24158.156.182.0/24158.156.193.0/24158.162.192.0/18158.162.32.0/19161.17.0.0/16161.17.0.0/24163.199.254.0/24170.200.251.0/24170.200.252.0/24170.200.253.0/24170.248.142.0/24170.251.108.0/24170.252.84.0/24170.252.85.0/24170.252.86.0/24173.247.225.0/24176.119.201.0/24178.159.176.0/20178.249.200.0/21181.41.193.0/24182.54.238.0/24185.12.76.0/22185.12.76.0/23185.12.76.0/24185.12.77.0/24185.12.78.0/23185.12.78.0/24185.12.79.0/24185.13.62.0/24185.134.140.0/24185.138.136.0/22185.140.104.0/24185.154.148.0/23185.157.227.0/24185.194.232.0/23185.199.204.0/24185.203.232.0/24185.212.156.0/22185.213.216.0/23185.213.216.0/24185.213.217.0/24185.218.120.0/24185.218.121.0/24185.218.122.0/24185.218.123.0/24185.226.224.0/24185.230.220.0/24185.230.221.0/24185.234.136.0/24185.29.96.0/22185.60.76.0/23185.60.76.0/24185.60.77.0/24185.60.79.0/24185.8.120.0/22185.95.240.0/22188.64.17.0/24188.64.18.0/24188.64.19.0/24192.103.52.0/24192.109.222.0/24192.166.107.0/24192.187.137.0/24192.228.1.0/24192.228.2.0/24192.228.3.0/24192.231.17.0/24192.232.64.0/24192.232.66.0/24192.31.22.0/24192.51.54.0/24192.76.161.0/24193.102.132.0/24193.102.174.0/24193.102.78.0/24193.102.79.0/24193.103.129.0/24193.111.24.0/23193.114.160.0/19193.118.224.0/19193.134.159.0/24193.135.254.0/24193.141.139.0/24193.16.155.0/24193.16.48.0/20193.16.48.0/21193.16.56.0/22193.16.60.0/23193.16.62.0/24193.164.14.0/24193.17.178.0/24193.176.112.0/23193.176.114.0/23193.177.180.0/23193.178.140.0/24193.183.185.0/24193.200.191.0/24193.228.0.0/24193.235.44.0/24193.235.45.0/24193.26.246.0/24193.26.247.0/24193.26.248.0/24193.26.249.0/24193.26.250.0/24193.26.251.0/24193.26.252.0/24193.26.253.0/24193.26.254.0/24193.26.255.0/24193.28.71.0/24193.29.144.0/20193.29.144.0/22193.29.146.0/23193.29.150.0/23193.29.152.0/22193.29.156.0/23193.29.159.0/24193.30.84.0/24193.33.182.0/23193.34.226.0/24193.36.241.0/24193.36.242.0/24193.36.254.0/24193.38.200.0/24193.46.62.0/24193.47.140.0/24193.53.174.0/24193.53.185.0/24193.53.186.0/24193.53.188.0/24193.53.190.0/24193.56.33.0/24193.57.56.0/24193.58.6.0/24193.73.113.0/24193.8.64.0/22193.82.0.0/19193.82.32.0/19193.96.108.0/23193.98.156.0/24194.0.195.0/24194.11.129.0/24194.11.130.0/24194.113.246.0/24194.115.212.0/22194.115.212.0/24194.115.213.0/24194.115.214.0/24194.115.215.0/24194.117.239.0/24194.126.242.0/24194.127.228.0/24194.15.16.0/24194.15.18.0/24194.15.242.0/23194.15.244.0/22194.173.47.0/24194.223.128.0/21194.223.136.0/22194.223.140.0/22194.223.144.0/20194.33.183.0/24194.36.128.0/24194.37.85.0/24194.37.87.0/24194.39.220.0/24194.59.121.0/24194.59.137.0/24194.59.139.0/24194.59.96.0/19194.76.2.0/23194.76.4.0/22194.76.8.0/24194.76.9.0/24194.99.12.0/24194.99.120.0/21195.110.64.0/19195.182.60.0/24195.20.223.0/24195.222.32.0/19195.222.32.0/20195.222.32.0/21195.222.40.0/21195.222.48.0/20195.222.48.0/21195.222.49.0/24195.222.56.0/21195.234.175.0/24195.234.180.0/24195.234.34.0/24195.47.207.0/24195.68.0.0/17195.68.74.0/24195.78.50.0/23202.134.253.0/24202.24.96.0/23202.24.98.0/23202.246.252.0/24202.252.108.0/23202.255.101.0/24202.255.102.0/24202.7.104.0/24202.95.218.0/23208.85.76.0/24212.0.96.0/19212.121.128.0/19212.123.192.0/18212.161.0.0/17212.203.64.0/18212.23.224.0/19212.31.224.0/19212.35.96.0/19212.36.144.0/20212.36.160.0/20212.36.184.0/21212.36.32.0/19212.74.77.0/24212.74.78.0/24212.74.79.0/24212.78.160.0/19213.163.237.0/24213.164.0.0/19213.173.160.0/19213.185.160.0/19213.208.192.0/18213.215.128.0/17213.229.128.0/18213.246.192.0/18213.27.128.0/17213.41.0.0/17213.41.39.0/27213.41.39.32/27213.61.0.0/16213.86.0.0/16217.110.0.0/15217.110.222.0/27217.110.222.32/27217.173.96.0/2027.110.0.0/2027.110.16.0/2227.110.20.0/2327.110.62.0/2431.176.128.0/1731.176.128.0/1831.176.128.0/1931.176.128.0/2031.176.144.0/2031.176.160.0/1931.176.160.0/2031.176.176.0/2031.176.192.0/1831.176.192.0/1931.176.192.0/2031.176.208.0/2131.176.216.0/2131.176.216.0/2231.176.220.0/2231.176.224.0/1931.176.224.0/2031.176.240.0/2037.203.112.0/2037.203.112.0/2137.203.112.0/2237.203.120.0/2237.203.124.0/2237.203.64.0/1837.203.64.0/1937.203.64.0/2037.203.80.0/2037.203.96.0/1937.203.96.0/2038.210.238.0/2445.129.69.0/2445.135.160.0/2446.248.128.0/1946.248.14.0/2446.28.184.0/2446.28.212.0/245.11.96.0/205.182.152.0/2451.64.34.0/2451.64.35.0/2457.133.0.0/1658.0.0.0/1658.1.128.0/1762.152.96.0/1962.182.250.0/2462.192.0.0/1962.192.73.0/2462.23.0.0/1662.23.14.0/2462.23.23.0/2462.23.254.0/2462.23.255.0/2462.23.43.0/2462.23.61.0/2462.23.70.0/2462.67.207.0/2462.72.96.0/1962.84.192.0/1962.85.160.0/1962.96.0.0/1662.97.64.0/1865.87.8.0/2466.92.200.0/2477.74.158.0/2378.143.0.0/1878.156.64.0/1978.156.64.0/2078.156.80.0/2180.169.0.0/1680.251.160.0/1980.65.64.0/1980.65.64.0/2080.65.64.0/2180.65.64.0/2280.65.68.0/2280.65.72.0/2180.65.72.0/2280.65.76.0/2280.65.80.0/2080.65.80.0/2180.65.80.0/2280.65.84.0/2280.65.88.0/2180.65.92.0/2280.80.0.0/1980.87.254.0/2382.112.192.0/1984.14.0.0/1684.14.217.0/2484.14.63.0/2484.16.160.0/1985.208.193.0/2485.88.128.0/1985.92.224.0/1985.92.224.0/2085.92.226.0/2485.92.228.0/2385.92.232.0/2185.92.240.0/2085.92.240.0/2185.92.248.0/2185.92.252.0/2287.241.0.0/1889.146.128.0/1889.146.128.0/2089.146.144.0/2089.146.160.0/2089.146.176.0/2090.152.0.0/1890.152.64.0/1890.152.64.0/1990.152.96.0/1991.208.124.0/2491.209.87.0/2491.212.245.0/2491.212.43.0/2491.213.110.0/2491.213.65.0/2491.213.68.0/2491.213.91.0/2491.238.4.0/2491.240.166.0/2391.244.125.0/2492.36.128.0/1792.36.128.0/1892.36.128.0/1992.36.128.0/2092.36.128.0/2192.36.136.0/2192.36.144.0/2092.36.160.0/1992.36.160.0/2092.36.176.0/2092.36.192.0/1892.36.192.0/1992.36.192.0/2092.36.192.0/2192.36.208.0/2092.36.224.0/1992.36.224.0/2092.36.232.0/2292.36.236.0/2292.36.240.0/2095.175.192.0/2095.175.208.0/20
49 IPv6 prefixes
2001:678:1020::/482001:678:274::/482001:678:868::/482001:67c:2b20::/482001:67c:2b34::/482001:67c:2ea0::/482001:67c:424::/482001:67c:67c::/482001:920::/322001:921::/322001:924::/322001:925::/322001:926:40::/482001:926::/322400:81e0::/322a02:11f8:70::/482a02:27b0:4100::/402a02:27b0:4200::/402a02:27b0:4300::/402a02:27b0:4500::/402a02:27b0:4a00::/402a02:27b0:4b00::/402a02:27b0:4c00::/402a02:27b0:4d00::/402a02:27b0::/322a02:27b0::/352a04:f400:3001::/482a06:6540:1000::/362a06:6540:1001::/482a06:6540:1201::/482a06:6540:1241::/482a06:6540:1440::/482a06:6540:4101::/482a06:6540:4181::/482a06:6541:1000::/362a06:6541:1001::/482a06:6541:1201::/482a06:6541:1241::/482a06:6541:1440::/482a06:6541:4101::/482a06:6541:4181::/482a07:6f46:4500::/482a07:cb81::/322a0a:d6c0:145::/482a0e:900:d001::/482a10:8802::/362a10:8804:2000::/362a10:8804::/362a11:4d40::/48
Registries

Each registry’s copy

RIPE3 membersAS numbers routed by Colt Bulgaria
Maintained byCOLT-MNT
Last modified2026-09-29T13:17:54Z
MembersAS8220 AS15404 AS9146
mbrs-by-refN
Used by

Sets that include AS8220:AS-COLTBG

AS8220:AS-COLTEU
Tools

Check AS8220:AS-COLTBG live

IRR API, with prefixes