AS1501 is the autonomous system of Headquarters, USAISC. It holds 40,448 IPv4 addresses in 90 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #4,304 worldwide and #1,565 of 18,202 networks in United States.
The network spreads across 2 countries: United States 99%, France 0.63%.
The largest block is 155.26.224.0 to 155.26.239.255 with 4,096 addresses, geolocated to Sierra Vista (Fort Huachuca).
- IPv4 addresses
- 40,448
- IPv4 prefixes
- 90
- World rank
- #4,304
Addresses by country
- United States 99%
France 0.63%
Largest blocks
- 155.26.224.0 Sierra Vista (Fort Huachuca)4,096
- 155.20.16.0 Sierra Vista (Fort Huachuca)1,792
- 155.20.24.0 Sierra Vista (Fort Huachuca)1,280
- 150.196.240.0 Sierra Vista (Fort Huachuca)1,280
- 147.104.100.0 Sierra Vista (Fort Huachuca)1,280
- 158.11.16.0 Sierra Vista (Fort Huachuca)1,024
- 155.30.124.0 Sierra Vista (Fort Huachuca)1,024
- 155.26.200.0 Sierra Vista (Fort Huachuca)1,024
Networks of similar size
40,448
40,448
40,448
40,448
40,448
40,448
40,192IPv4 prefixes
- 136.210.224.0/24
- 136.210.249.0/24
- 143.70.4.0/22
- 143.70.15.0/24
- 143.73.28.0/23
- 143.73.35.0/24
- 143.73.38.0/24
- 143.73.49.0/24
- 143.73.50.0/23
- 143.73.53.0/24
- 143.73.55.0/24
- 143.73.56.0/23
- 143.73.58.0/24
- 143.73.62.0/23
- 143.73.64.0/23
- 143.73.69.0/24
- 143.73.70.0/23
- 143.73.72.0/24
- 143.73.76.0/22
- 143.73.83.0/24
- 143.73.85.0/24
- 143.73.86.0/24
- 143.73.90.0/24
- 143.73.92.0/22
- 143.76.17.0/24
- 143.76.18.0/23
- 143.76.48.0/24
- 143.86.175.0/24
- 143.86.208.0/24
- 143.194.128.0/23
- 143.194.132.0/23
- 143.194.134.0/24
- 143.194.136.0/22
- 143.194.142.0/24
- 143.249.167.0/24
- 143.249.196.0/24
- 144.104.103.0/24
- 144.105.172.0/24
- 144.105.202.0/24
- 144.107.114.0/24
- 144.107.186.0/24
- 144.107.255.0/24
- 146.16.223.0/24
- 147.104.76.0/24
- 147.104.96.0/24
- 147.104.100.0/22
- 147.104.104.0/24
- 147.104.120.0/24
- 147.104.131.0/24
- 147.104.247.0/24
- 147.104.248.0/24
- 150.196.240.0/22
- 150.196.244.0/24
- 150.196.246.0/23
- 150.196.248.0/23
- 150.196.251.0/24
- 150.196.253.0/24
- 150.196.255.0/24
- 155.20.1.0/24
- 155.20.2.0/23
- 155.20.8.0/24
- 155.20.10.0/23
- 155.20.16.0/22
- 155.20.20.0/23
- 155.20.22.0/24
- 155.20.24.0/22
- 155.20.28.0/24
- 155.20.33.0/24
- 155.20.37.0/24
- 155.20.38.0/24
- 155.20.42.0/24
- 155.20.212.0/24
- 155.20.218.0/23
- 155.26.48.0/23
- 155.26.72.0/24
- 155.26.111.0/24
- 155.26.200.0/22
- 155.26.224.0/20
- 155.30.32.0/24
- 155.30.120.0/24
- 155.30.122.0/24
- 155.30.124.0/22
- 155.30.191.0/24
- 155.30.204.0/23
- 158.11.16.0/22
- 158.11.25.0/24
- 158.11.26.0/23
- 158.11.160.0/23
- 158.11.208.0/23
- 158.13.147.0/24
Questions and answers
Who owns AS1501?
Autonomous system AS1501 is operated by Headquarters, USAISC.
How many IP addresses does AS1501 have?
The network holds 40,448 IPv4 addresses in 90 prefixes.
Which country is AS1501 in?
The main country is United States, with addresses in 1 more countries.
How big is AS1501?
By IPv4 addresses it ranks #4,304 worldwide.
What is the largest address block of AS1501?
155.26.224.0 to 155.26.239.255, 4,096 addresses.