AS29580 A1BG_RSG A1 Bulgaria EAD

A1BG_RSG A1 Bulgaria EAD · registered in Bulgaria

IPv4 addresses264,960284 prefixes · 0.008% of announced IPv4

Rank in Bulgaria#3largest network in BG by IPv4 space, of 669 · 6.63% of BG

Rank worldwide#900of 79,396 networks with IPv4

IPv640,960 x /4810 prefixes

CountryBulgaria675 ASNs registered there

Open AS29580 in ASN lookup Look up an IP in this network (5.53.240.1) All networks in Bulgaria

IPv4 prefixes

All 284 prefixes, in address order.

5.53.240.0/21
37.63.36.0/22
37.63.40.0/21
37.63.48.0/20
37.63.64.0/21
37.63.72.0/22
37.63.76.0/23
37.63.78.0/24
37.63.80.0/20
37.63.100.0/22
37.63.104.0/21
37.63.112.0/20
46.232.152.0/21
46.238.0.0/22
46.238.4.0/23
46.238.6.0/24
46.238.24.0/23
46.238.54.0/24
62.204.135.0/24
62.204.138.0/23
62.204.147.0/24
62.204.153.0/24
62.204.159.0/24
77.70.34.0/24
77.70.48.0/24
77.70.72.0/22
77.70.76.0/24
77.70.79.0/24
77.70.80.0/22
77.70.110.0/24
77.70.120.0/22
77.70.124.0/23
77.70.126.0/24
77.236.182.0/24
78.83.4.0/23
78.83.14.0/23
78.83.16.0/20
78.83.32.0/19
78.83.64.0/18
78.83.136.0/23
78.83.138.0/24
78.83.141.0/24
78.83.152.0/22
78.83.161.0/24
78.83.162.0/23
78.83.165.0/24
78.83.166.0/23
78.83.169.0/24
78.83.170.0/23
78.83.176.0/22
78.83.182.0/23
78.83.184.0/24
78.83.186.0/23
78.83.188.0/23
78.83.190.0/24
78.83.195.0/24
78.83.196.0/23
78.83.198.0/24
78.83.200.0/21
78.83.216.0/21
78.83.229.0/24
78.83.231.0/24
78.83.243.0/24
78.83.244.0/24
78.83.248.0/21
78.90.38.0/23
78.90.40.0/22
78.90.108.0/22
78.90.112.0/24
78.90.143.0/24
78.90.154.0/24
78.90.156.0/22
78.90.171.0/24
78.90.182.0/23
78.90.186.0/24
78.90.192.0/23
78.90.194.0/24
78.90.203.0/24
78.90.231.0/24
78.90.233.0/24
78.90.234.0/23
78.90.236.0/22
78.90.240.0/24
78.90.242.0/24
80.253.55.0/24
82.103.76.0/23
82.103.78.0/24
82.103.83.0/24
82.103.100.0/24
82.103.124.0/24
82.147.131.0/24
82.147.139.0/24
82.147.143.0/24
82.147.145.0/24
82.147.146.0/23
82.147.151.0/24
82.147.152.0/24
82.147.156.0/22
83.97.25.0/24
83.97.26.0/23
83.97.29.0/24
83.97.31.0/24
84.242.129.0/24
84.242.150.0/23
84.242.152.0/21
84.242.160.0/23
84.242.164.0/24
84.242.168.0/21
84.242.177.0/24
84.242.178.0/23
84.242.186.0/23
84.242.190.0/23
84.252.14.0/24
85.91.136.0/23
85.91.139.0/24
85.91.144.0/23
85.91.146.0/24
85.91.150.0/24
85.91.153.0/24
85.91.154.0/23
85.91.157.0/24
85.91.158.0/23
85.118.89.0/24
85.130.76.0/23
85.130.78.0/24
85.196.137.0/24
85.196.140.0/22
85.196.148.0/24
85.196.152.0/21
85.196.172.0/22
85.196.176.0/22
85.196.184.0/21
87.97.160.0/22
87.97.179.0/24
87.97.240.0/22
87.227.128.0/22
87.227.132.0/23
87.227.141.0/24
87.227.142.0/23
87.227.160.0/20
87.227.178.0/23
87.227.180.0/22
87.227.184.0/21
87.227.194.0/23
87.227.196.0/22
87.227.200.0/22
87.227.208.0/21
87.227.218.0/23
87.227.220.0/22
87.227.224.0/19
88.203.133.0/24
88.203.138.0/23
88.203.144.0/24
88.203.152.0/24
88.203.155.0/24
88.203.160.0/20
88.203.176.0/24
88.203.178.0/23
88.203.180.0/22
88.203.185.0/24
88.203.191.0/24
88.203.192.0/21
88.203.206.0/23
88.203.216.0/21
88.203.224.0/21
88.203.234.0/24
88.203.236.0/24
88.203.244.0/22
88.203.252.0/22
89.186.204.0/22
89.190.198.0/24
89.190.206.0/23
89.190.208.0/24
89.190.213.0/24
89.190.218.0/23
89.215.8.0/22
89.215.48.0/22
89.215.235.0/24
89.215.236.0/22
92.247.7.0/24
92.247.48.0/20
92.247.64.0/24
92.247.96.0/22
92.247.102.0/23
92.247.116.0/22
92.247.130.0/23
92.247.132.0/23
92.247.136.0/22
92.247.144.0/23
92.247.152.0/21
92.247.169.0/24
92.247.170.0/23
92.247.172.0/22
92.247.185.0/24
92.247.187.0/24
92.247.189.0/24
92.247.190.0/23
92.247.193.0/24
92.247.194.0/23
92.247.196.0/22
92.247.200.0/21
92.247.208.0/20
92.247.224.0/19
95.111.15.0/24
95.111.26.0/24
95.111.30.0/24
95.111.41.0/24
95.111.43.0/24
95.111.47.0/24
95.111.48.0/24
95.111.52.0/24
95.111.68.0/24
95.111.88.0/24
95.111.116.0/23
95.111.118.0/24
95.140.212.0/24
130.204.64.0/20
130.204.128.0/21
130.204.136.0/22
130.204.140.0/24
130.204.143.0/24
130.204.208.0/23
130.204.217.0/24
130.204.218.0/23
130.204.252.0/22
151.251.62.0/23
151.251.73.0/24
151.251.76.0/22
151.251.96.0/22
151.251.101.0/24
151.251.102.0/23
151.251.104.0/21
151.251.112.0/22
151.251.116.0/23
151.251.118.0/24
151.251.122.0/23
151.251.124.0/24
151.251.128.0/21
151.251.136.0/22
151.251.141.0/24
151.251.142.0/23
151.251.144.0/20
151.251.160.0/19
151.251.225.0/24
151.251.226.0/23
151.251.229.0/24
151.251.230.0/23
151.251.233.0/24
151.251.234.0/23
151.251.236.0/24
176.12.0.0/21
176.12.8.0/22
176.12.12.0/23
176.12.14.0/24
176.12.16.0/20
176.12.32.0/19
185.224.162.0/23
195.24.56.0/23
195.34.116.0/22
195.34.124.0/23
212.36.8.0/23
212.36.27.0/24
212.50.18.0/24
212.91.160.0/24
212.91.165.0/24
212.91.182.0/23
212.91.191.0/24
212.95.169.0/24
212.95.170.0/23
212.95.186.0/23
213.169.32.0/24
213.169.42.0/23
213.169.46.0/24
213.169.62.0/23
213.222.36.0/24
213.222.41.0/24
213.222.42.0/23
213.222.49.0/24
213.240.239.0/24
217.10.241.0/24
217.18.244.0/24
217.18.246.0/23
217.18.251.0/24
217.79.44.0/22

IPv6 prefixes

All 10 prefixes.

2a00:4804:800::/37
2a00:4804:4800::/37
2a00:4804:8800::/37
2a00:4804:9000::/36
2a00:4804:a000::/35
2a00:4804:d000::/36
2a00:4804:e000::/35
2a00:4805:1000::/36
2a00:4805:8000::/36
2a00:4805:9000::/37

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses

AS8866#1 VIVACOM-AS Vivacom Bulgaria EAD1,015,296

AS13124#2 A1BG_RSD A1 Bulgaria EAD307,200

AS8717#4 A1BG A1 Bulgaria EAD217,856

AS9070#5 Cooolbox Cooolbox AD141,824

AS35141#6 A1BG_RSS A1 Bulgaria EAD111,360

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources