AS1 is the autonomous system of Level 3 Communications, Inc.. It holds 7,168 IPv4 addresses in 11 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #11,360 worldwide and #3,543 of 18,202 networks in United States.
The network spreads across 5 countries: United States 68%, Finland 14%, Brazil 11%.
The largest block is 207.227.224.0 to 207.227.231.255 with 2,048 addresses, geolocated to Monroe.
- IPv4 addresses
- 7,168
- IPv4 prefixes
- 11
- World rank
- #11,360
Addresses by country
- United States 68%
Finland 14%
Brazil 11%
Bulgaria 3.6%
Canada 3.6%
Largest blocks
- 207.227.224.0 Monroe2,048
- 212.94.84.0 Kuopio1,024
- 63.215.96.0 Broomfield (Interlocken)1,024
- 8.31.76.0 Monroe1,024
- 4.34.12.0 Monroe512
- 205.207.214.0 Markham256
- 193.35.46.0 Sofia (g.k. Mladost 3)256
- 177.75.93.0 Passo Fundo256
Networks of similar size
7,168
7,168
7,168
7,168
7,168
7,168IPv4 prefixes
Questions and answers
Who owns AS1?
Autonomous system AS1 is operated by Level 3 Communications, Inc..
How many IP addresses does AS1 have?
The network holds 7,168 IPv4 addresses in 11 prefixes.
Which country is AS1 in?
The main country is United States, with addresses in 4 more countries.
How big is AS1?
By IPv4 addresses it ranks #11,360 worldwide.
What is the largest address block of AS1?
207.227.224.0 to 207.227.231.255, 2,048 addresses.