Autonomous System

AS20911 Net-Surf.net Ltd.

ISPActiveBulgariaRIPE

AS20911 (NETSURF-AS-BG) is an ISP network operated by Net-Surf.net Ltd. in Bulgaria, registered with RIPE. It has 177 IPv4 prefixes with 71,424 addresses, which makes it the 2,953rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses71,424in 177 prefixes
IPv6 prefixes0none
Size rank#2,953of 82,200 active ASNs
Abuser scoreLow0.27% of its addresses flagged · method

Details

OrganizationNet-Surf.net Ltd.
AS nameNETSURF-AS-BG
Country Bulgaria (BG)
Network typeISP
RegistryRIPE
Abuse contactabuse@net-surf.net
Registered2002-02-04
Last updated2025-12-15

IPv4 prefixes

177 prefixes · 71,424 addresses
NetworkAddressesFirst – last address
46.229.192.0/204,09646.229.192.0 – 46.229.207.255
178.254.240.0/204,096178.254.240.0 – 178.254.255.255
78.90.248.0/212,04878.90.248.0 – 78.90.255.255
95.111.120.0/212,04895.111.120.0 – 95.111.127.255
178.254.216.0/212,048178.254.216.0 – 178.254.223.255
178.254.232.0/212,048178.254.232.0 – 178.254.239.255
46.229.196.0/221,02446.229.196.0 – 46.229.199.255
46.229.200.0/221,02446.229.200.0 – 46.229.203.255
80.72.88.0/221,02480.72.88.0 – 80.72.91.255
93.152.248.0/221,02493.152.248.0 – 93.152.251.255
178.254.204.0/221,024178.254.204.0 – 178.254.207.255
178.254.208.0/221,024178.254.208.0 – 178.254.211.255
178.254.228.0/221,024178.254.228.0 – 178.254.231.255
195.230.28.0/221,024195.230.28.0 – 195.230.31.255
45.90.90.0/2351245.90.90.0 – 45.90.91.255
46.229.192.0/2351246.229.192.0 – 46.229.193.255
78.128.36.0/2351278.128.36.0 – 78.128.37.255
84.21.174.0/2351284.21.174.0 – 84.21.175.255
87.120.118.0/2351287.120.118.0 – 87.120.119.255
87.120.122.0/2351287.120.122.0 – 87.120.123.255
87.121.70.0/2351287.121.70.0 – 87.121.71.255
93.123.26.0/2351293.123.26.0 – 93.123.27.255
93.152.228.0/2351293.152.228.0 – 93.152.229.255
93.152.252.0/2351293.152.252.0 – 93.152.253.255
93.152.254.0/2351293.152.254.0 – 93.152.255.255
The 25 largest of 177. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS20911 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS20911&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS20911, with or without a key:

curl "https://api.ipapi.is/?q=46.229.192.1"

Largest networks in Bulgaria