AS20911 NETSURF-AS-BG Net-Surf.net Ltd.

NETSURF-AS-BG Net-Surf.net Ltd. · registered in Bulgaria

IPv4 addresses36,86426 prefixes · 0.001% of announced IPv4

Rank in Bulgaria#17largest network in BG by IPv4 space, of 669 · 0.92% of BG

Rank worldwide#4,483of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBulgaria675 ASNs registered there

Open AS20911 in ASN lookup Look up an IP in this network (45.90.90.1) All networks in Bulgaria

IPv4 prefixes

All 26 prefixes, in address order.

45.90.90.0/23
46.229.192.0/20
78.90.248.0/21
78.128.36.0/23
78.128.38.0/24
78.128.40.0/24
79.124.9.0/24
80.72.88.0/22
84.21.174.0/23
87.120.118.0/23
87.120.122.0/23
87.120.124.0/24
87.121.70.0/23
92.249.50.0/24
93.123.26.0/23
93.152.228.0/23
93.152.248.0/21
94.156.162.0/23
95.111.120.0/21
95.214.27.0/24
178.254.192.0/18
185.95.248.0/22
193.42.34.0/23
194.55.186.0/24
194.169.175.0/24
195.230.28.0/22

Similar-sized networks in Bulgaria

ASNNameIPv4 addresses

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

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

AS25374#16 ESCOMBG-AS ESCOM Ltd. - Haskovo37,120

AS34224#18 NETERRA-AS Neterra Ltd.36,608

AS29582#19 SATCOM-AS Optisprint OOD34,816

AS8262#20 EVOLINK-AS Evolink EAD34,304

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