AS12716 A1BG_MB A1 Bulgaria EAD

A1BG_MB A1 Bulgaria EAD · registered in Bulgaria

IPv4 addresses40,70442 prefixes · 0.001% of announced IPv4

Rank in Bulgaria#12largest network in BG by IPv4 space, of 669 · 1.02% of BG

Rank worldwide#4,299of 79,396 networks with IPv4

IPv6513 x /482 prefixes

CountryBulgaria675 ASNs registered there

Open AS12716 in ASN lookup Look up an IP in this network (37.63.0.1) All networks in Bulgaria

IPv4 prefixes

All 42 prefixes, in address order.

37.63.0.0/19
37.63.32.0/22
37.63.96.0/22
62.204.154.0/23
78.90.18.0/23
78.90.44.0/23
78.90.62.0/24
78.90.73.0/24
78.90.124.0/24
78.90.188.0/22
78.90.218.0/23
83.97.30.0/24
84.252.40.0/23
85.118.64.0/21
85.118.72.0/23
85.118.74.0/24
85.118.76.0/22
85.118.80.0/22
85.118.93.0/24
89.215.62.0/23
151.251.44.0/22
151.251.68.0/22
151.251.121.0/24
151.251.126.0/23
151.251.192.0/22
151.251.196.0/24
151.251.200.0/21
151.251.238.0/23
151.251.240.0/20
176.222.0.0/20
185.151.156.0/22
185.224.160.0/23
212.104.116.0/22
213.157.133.0/24
213.157.134.0/23
213.226.17.0/24
213.226.19.0/24
213.226.36.0/24
213.226.40.0/24
213.226.51.0/24
213.226.56.0/23
213.226.59.0/24

IPv6 prefixes

All 2 prefixes.

2001:1ac8:1::/48
2001:1ac8:2800::/39

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses

AS59711#9 HZ-EU-AS HZ Hosting Ltd55,040

AS3245#10 DIGSYS-AS Digital Systems Ltd48,128

AS51582#11 DCC-BG Cifrova Kabelna Korporacia EOOD44,288

AS21230#13 MNET-BG M SAT Cable EAD39,424

AS29084#14 COMNET-AS Comnet Bulgaria Holding Ltd.37,376

AS34295#15 ETA-BG-ASN Geo BG Net SPLtd.37,376

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