NS Computer Service Corporation operates AS23641: 2 IPv4 prefixes covering 6,144 addresses, most of them in 
Japan.
By IPv4 addresses the network ranks #12,532 worldwide and #393 of 848 networks in Japan.
The largest block is 211.19.16.0 to 211.19.31.255 with 4,096 addresses, geolocated to Chiyoda City.
- IPv4 addresses
- 6,144
- IPv4 prefixes
- 2
- World rank
- #12,532
- IPv6 ranges
- 1
Addresses by country
- Japan 100%
Largest blocks
- 211.19.16.0 Chiyoda City4,096
- 203.86.224.0 Nagaoka2,048
Networks of similar size
- AS23613 New Media Tokushima Co.,ltd.6,144
- AS18088 Kyuden Infocom Company Inc6,144
- AS23631 Sofu System, Inc6,144
- AS9519 Vertel Telecoms Pty Ltd
6,144 - AS18264 Seikei Eizo Network Inc.6,144
- AS18266 Datacore Works Co.,Ltd.6,144
- AS22192 Pennsylvania State System of Higher Education
6,144 - AS17353 Simcoe County District School Board
6,144
IPv4 prefixes
Questions and answers
Who owns AS23641?
Autonomous system AS23641 is operated by NS Computer Service Corporation.
How many IP addresses does AS23641 have?
The network holds 6,144 IPv4 addresses in 2 prefixes, plus 1 IPv6 ranges.
Which country is AS23641 in?
The main country is Japan.
How big is AS23641?
By IPv4 addresses it ranks #12,532 worldwide.
What is the largest address block of AS23641?
211.19.16.0 to 211.19.31.255, 4,096 addresses.