AS20911 is the autonomous system of Net-Surf.net Ltd.. It holds 36,608 IPv4 addresses in 25 prefixes, mainly in 
Bulgaria.
By IPv4 addresses the network ranks #4,483 worldwide and #16 of 650 networks in Bulgaria. That is 0.85% of the country’s IPv4 space.
The largest block is 178.254.192.0 to 178.254.255.255 with 16,384 addresses, geolocated to Sofia.
- IPv4 addresses
- 36,608
- IPv4 prefixes
- 25
- World rank
- #4,483
- Country share
- 0.85%
Addresses by country
- Bulgaria 100%
Largest blocks
- 178.254.192.0 Sofia16,384
- 46.229.192.0 Valchedram4,096
- 95.111.120.0 Kocherinovo2,048
- 93.152.248.0 Blagoevgrad2,048
- 78.90.248.0 Blagoevgrad2,048
- 195.230.28.0 Kozloduy1,024
- 185.95.248.0 Valchedram1,024
- 80.72.88.0 Montana1,024
Networks of similar size
36,608
36,608
36,608
36,608
36,608IPv4 prefixes
- 45.90.90.0/23
- 46.229.192.0/20
- 78.90.248.0/21
- 78.128.36.0/23
- 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
Questions and answers
Who owns AS20911?
Autonomous system AS20911 is operated by Net-Surf.net Ltd..
How many IP addresses does AS20911 have?
The network holds 36,608 IPv4 addresses in 25 prefixes.
Which country is AS20911 in?
The main country is Bulgaria.
How big is AS20911?
By IPv4 addresses it ranks #4,483 worldwide.
What is the largest address block of AS20911?
178.254.192.0 to 178.254.255.255, 16,384 addresses.