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 | 5421 |
| Name | SU-NET-AS |
| Organization | Sofia University "St. Kliment Ohridski" |
| Country | Bulgaria
|
| Registry | RIPE NCC |
| IPv4 addresses | 10,240 |
| IPv6 /64 networks | 218 |
| Prefixes | 10 |
IPv4 Prefixes for AS5421 - showing the first 1 of 7 networks
| Network |
Location |
Addresses |
| 62.44.96.0/19 |
Sofia University "St. Kliment Ohridski" |
Sofia |
8,192 |