AS13124 A1BG_RSD A1 Bulgaria EAD

A1BG_RSD A1 Bulgaria EAD · registered in Bulgaria

IPv4 addresses307,200185 prefixes · 0.010% of announced IPv4

Rank in Bulgaria#2largest network in BG by IPv4 space, of 669 · 7.68% of BG

Rank worldwide#797of 79,396 networks with IPv4

IPv61,680 x /4858 prefixes

CountryBulgaria675 ASNs registered there

Open AS13124 in ASN lookup Look up an IP in this network (5.53.128.1) All networks in Bulgaria

IPv4 prefixes

All 185 prefixes, in address order.

5.53.128.0/19
5.53.160.0/20
5.53.177.0/24
5.53.178.0/23
5.53.184.0/21
5.53.192.0/19
5.53.224.0/21
5.53.232.0/22
5.53.236.0/23
5.53.238.0/24
5.53.248.0/21
37.130.240.0/21
62.221.129.0/24
62.221.130.0/23
62.221.134.0/23
62.221.136.0/22
62.221.140.0/24
62.221.142.0/23
62.221.144.0/22
62.221.148.0/23
62.221.150.0/23
62.221.152.0/21
77.236.160.0/21
77.236.169.0/24
77.236.170.0/23
77.236.172.0/22
77.236.176.0/23
77.236.179.0/24
77.236.180.0/23
77.236.183.0/24
77.236.184.0/21
77.244.192.0/20
80.253.50.0/24
80.253.56.0/23
80.253.60.0/22
84.252.1.0/24
84.252.2.0/23
84.252.4.0/22
84.252.8.0/22
84.252.12.0/23
84.252.15.0/24
84.252.16.0/20
84.252.32.0/21
84.252.42.0/23
84.252.44.0/22
84.252.52.0/23
84.252.54.0/24
84.252.56.0/21
85.91.128.0/21
85.118.87.0/24
85.130.0.0/19
85.130.32.0/21
85.130.40.0/22
85.130.44.0/23
85.130.46.0/24
85.130.48.0/21
85.130.56.0/22
85.130.62.0/24
85.130.64.0/21
85.130.79.0/24
85.130.80.0/21
85.130.88.0/22
85.130.92.0/23
85.130.94.0/24
85.130.98.0/23
85.130.100.0/22
85.130.104.0/22
85.130.108.0/23
85.130.112.0/21
85.130.123.0/24
85.130.124.0/22
87.97.128.0/19
87.97.164.0/23
87.97.166.0/24
87.97.167.0/24
87.97.168.0/21
87.97.176.0/23
87.97.178.0/24
87.97.180.0/22
87.97.184.0/21
87.97.192.0/19
87.97.224.0/20
87.97.244.0/22
87.97.248.0/21
89.186.200.0/22
89.215.0.0/21
89.215.12.0/22
89.215.16.0/20
89.215.32.0/21
89.215.40.0/23
89.215.43.0/24
89.215.44.0/22
89.215.52.0/22
89.215.56.0/22
89.215.60.0/23
89.215.64.0/18
89.215.128.0/19
89.215.160.0/21
89.215.169.0/24
89.215.171.0/24
89.215.172.0/24
89.215.175.0/24
89.215.176.0/23
89.215.180.0/22
89.215.184.0/21
89.215.192.0/20
89.215.209.0/24
89.215.215.0/24
89.215.216.0/21
89.215.224.0/22
89.215.229.0/24
89.215.230.0/24
89.215.232.0/24
89.215.234.0/24
89.215.240.0/22
89.215.245.0/24
89.215.246.0/23
89.215.248.0/21
89.253.128.0/19
89.253.160.0/23
89.253.162.0/24
89.253.164.0/22
89.253.168.0/22
89.253.172.0/24
89.253.176.0/20
95.140.209.0/24
95.140.210.0/23
95.140.213.0/24
95.140.214.0/24
95.140.216.0/23
95.140.220.0/22
130.204.0.0/18
130.204.80.0/20
130.204.96.0/19
130.204.141.0/24
130.204.142.0/24
130.204.144.0/20
130.204.160.0/19
130.204.192.0/20
130.204.210.0/23
130.204.212.0/22
130.204.216.0/24
130.204.220.0/22
130.204.224.0/20
130.204.240.0/21
130.204.248.0/22
151.251.0.0/19
151.251.48.0/21
151.251.74.0/23
151.251.80.0/20
151.251.125.0/24
151.251.208.0/20
151.251.228.0/24
151.251.232.0/24
194.187.132.0/22
212.104.96.0/21
212.104.104.0/22
212.104.108.0/23
212.104.112.0/22
212.104.120.0/22
212.104.124.0/23
212.104.126.0/24
213.191.160.0/21
213.191.176.0/20
213.240.192.0/19
213.240.226.0/23
213.240.229.0/24
213.240.230.0/23
213.240.238.0/24
213.240.242.0/23
213.240.248.0/24
213.240.250.0/24
213.240.252.0/22
217.9.238.0/24
217.10.242.0/24
217.10.245.0/24
217.10.247.0/24
217.10.248.0/23
217.10.250.0/24
217.10.252.0/24
217.10.254.0/23
217.18.250.0/24
217.18.253.0/24
217.18.254.0/24
217.18.255.0/24

IPv6 prefixes

All 58 prefixes.

2a00:4800:a0::/44
2a00:4800:e0::/44
2a00:4800:1a0::/44
2a00:4802:220::/44
2a00:4802:260::/44
2a00:4802:280::/44
2a00:4802:2a0::/44
2a00:4802:2c0::/44
2a00:4802:2e0::/44
2a00:4802:300::/44
2a00:4802:320::/44
2a00:4802:350::/44
2a00:4802:360::/44
2a00:4802:380::/44
2a00:4802:3a0::/44
2a00:4802:a00::/43
2a00:4802:a20::/44
2a00:4802:a30::/44
2a00:4802:a40::/44
2a00:4802:a50::/44
2a00:4802:a60::/44
2a00:4802:a70::/44
2a00:4802:a80::/44
2a00:4802:a90::/44
2a00:4802:aa0::/44
2a00:4802:ab0::/44
2a00:4802:ac0::/42
2a00:4802:d00::/44
2a00:4802:e00::/42
2a00:4802:e40::/42
2a00:4802:e80::/41
2a00:4802:1000::/44
2a00:4802:1800::/44
2a00:4802:1a00::/40
2a00:4802:1c00::/44
2a00:4802:1e00::/42
2a00:4802:1e40::/43
2a00:4802:2200::/44
2a00:4802:2600::/43
2a00:4802:2800::/44
2a00:4802:2a00::/44
2a00:4802:2c00::/42
2a00:4802:2e00::/42
2a00:4802:2e40::/44
2a00:4802:3000::/43
2a00:4802:3020::/44
2a00:4802:3200::/44
2a00:4802:3400::/44
2a00:4802:3800::/44
2a00:4802:3c00::/44
2a00:4802:3e00::/43
2a00:4802:3e20::/44
2a00:4802:4a00::/43
2a00:4802:4e00::/44
2a00:4802:4e20::/44
2a00:4802:5000::/44
2a00:4802:5200::/44
2a01:288:100::/43

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses

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

AS29580#3 A1BG_RSG A1 Bulgaria EAD264,960

AS8717#4 A1BG A1 Bulgaria EAD217,856

AS9070#5 Cooolbox Cooolbox AD141,824

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