Headquarters, USAISC operates AS1649: 14 IPv4 prefixes covering 115,712 addresses, most of them in 
Japan.
By IPv4 addresses the network ranks #1,726 worldwide and #74 of 848 networks in Japan. That is 0.06% of the country’s IPv4 space.
The network spreads across 2 countries: Japan 94%, United States 5.8%.
The largest block is 150.133.60.0 to 150.133.255.255 with 50,176 addresses, geolocated to Chiyoda City.
- IPv4 addresses
- 115,712
- IPv4 prefixes
- 14
- World rank
- #1,726
- Country share
- 0.06%
Addresses by country
- Japan 94%
United States 5.8%
Largest blocks
- 150.133.60.0 Chiyoda City50,176
- 143.45.0.0 Chiyoda City49,408
- 150.133.0.0 Chiyoda City14,336
- 147.248.28.0 Sierra Vista (Fort Huachuca)512
- 6.134.28.0 Columbus512
- 143.45.208.0 Chiyoda City256
- 6.47.120.0 Chiyoda City256
- 6.16.216.0 Columbus256
Networks of similar size
116,736
116,224
115,712
115,456
115,456IPv4 prefixes
Questions and answers
Who owns AS1649?
Autonomous system AS1649 is operated by Headquarters, USAISC.
How many IP addresses does AS1649 have?
The network holds 115,712 IPv4 addresses in 14 prefixes.
Which country is AS1649 in?
The main country is Japan, with addresses in 1 more countries.
How big is AS1649?
By IPv4 addresses it ranks #1,726 worldwide.
What is the largest address block of AS1649?
150.133.60.0 to 150.133.255.255, 50,176 addresses.