AS1493 is the autonomous system of Headquarters, USAISC. It holds 128,256 IPv4 addresses in 29 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #1,628 worldwide and #538 of 18,202 networks in United States.
The largest block is 155.28.152.0 to 155.28.223.255 with 18,432 addresses, geolocated to Aberdeen Proving Ground.
- IPv4 addresses
- 128,256
- IPv4 prefixes
- 29
- World rank
- #1,628
Addresses by country
- United States 100%
Largest blocks
- 155.28.152.0 Aberdeen Proving Ground18,432
- 155.213.64.0 Sierra Vista (Fort Huachuca)16,384
- 155.19.192.0 Sierra Vista (Fort Huachuca)16,384
- 146.55.192.0 Sierra Vista (Fort Huachuca)16,384
- 199.209.154.0 Columbus13,824
- 158.13.160.0 Sierra Vista (Fort Huachuca)8,192
- 155.152.128.0 Sierra Vista (Fort Huachuca)6,144
- 155.28.232.0 Sierra Vista (Fort Huachuca)6,144
Networks of similar size
128,512
128,512
127,488IPv4 prefixes
- 143.69.16.0/21
- 143.69.138.0/23
- 143.69.140.0/23
- 143.69.142.0/24
- 143.69.144.0/24
- 143.69.147.0/24
- 146.55.80.0/20
- 146.55.192.0/18
- 155.19.192.0/18
- 155.26.176.0/20
- 155.26.204.0/22
- 155.26.208.0/20
- 155.28.124.0/22
- 155.28.152.0/21
- 155.28.160.0/19
- 155.28.192.0/19
- 155.28.232.0/21
- 155.28.240.0/20
- 155.29.224.0/21
- 155.152.128.0/20
- 155.152.144.0/21
- 155.152.176.0/20
- 155.213.64.0/18
- 155.213.208.0/21
- 158.13.160.0/19
- 199.209.154.0/23
- 199.209.156.0/22
- 199.209.160.0/19
- 199.209.192.0/20
Questions and answers
Who owns AS1493?
Autonomous system AS1493 is operated by Headquarters, USAISC.
How many IP addresses does AS1493 have?
The network holds 128,256 IPv4 addresses in 29 prefixes.
Which country is AS1493 in?
The main country is United States.
How big is AS1493?
By IPv4 addresses it ranks #1,628 worldwide.
What is the largest address block of AS1493?
155.28.152.0 to 155.28.223.255, 18,432 addresses.