Yahoo Japan Corporation operates AS18140: 1 IPv4 prefixes covering 4,096 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #15,662 worldwide and #4,662 of 18,202 networks in United States.
The largest block is 104.145.16.0 to 104.145.31.255 with 4,096 addresses, geolocated to Seattle (Downtown Seattle).
- IPv4 addresses
- 4,096
- IPv4 prefixes
- 1
- World rank
- #15,662
Addresses by country
- United States 100%
Largest blocks
- 104.145.16.0 Seattle (Downtown Seattle)4,096
Networks of similar size
- AS55329 Telcotech Ltd
4,096 - AS55309 Minh Tu Telecom Limited Company
4,096 - AS64294 Panasonic Avionics Corporation4,096
- AS40850 UPIX NETWORKS INTERNATIONAL LLC
4,096 - AS23254 CARR COMMUNICATIONS, INC.4,096
- AS46469 GETRESPONSE4,096
- AS63267 Fayetteville Public Utilities4,096
- AS394356 INTERNET COMMUNICATIONS INC.4,096
IPv4 prefixes
Questions and answers
Who owns AS18140?
Autonomous system AS18140 is operated by Yahoo Japan Corporation.
How many IP addresses does AS18140 have?
The network holds 4,096 IPv4 addresses in 1 prefixes.
Which country is AS18140 in?
The main country is United States.
How big is AS18140?
By IPv4 addresses it ranks #15,662 worldwide.
What is the largest address block of AS18140?
104.145.16.0 to 104.145.31.255, 4,096 addresses.