Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 9591 |
| Name | NIFSNET |
| Organization | National Institute for Fusion Science |
| Country | Japan
|
| Registry | APNIC |
| IPv4 addresses | 65,792 |
| IPv6 /64 networks | 0 |
| Prefixes | 2 |
IPv4 Prefixes for AS9591
| Network |
Location |
Addresses |
| 133.75.0.0/16 |
National Institute for Fusion Science |
Chiyoda City |
65,536 |
| 133.75.232.0/24 |
National Institute for Fusion Science |
Chiyoda City |
256 |