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 | 201515 |
| Name | XXIcenture |
| Organization | Medical Center XXI century, nonprofit organisation |
| Country | Russia
|
| Registry | RIPE NCC |
| IPv4 addresses | 256 |
| IPv6 /64 networks | 0 |
| Prefixes | 1 |
IPv4 Prefixes for AS201515
| Network |
Location |
Addresses |
| 109.167.251.0/24 |
Medical Centre XXI centure |
St Petersburg |
256 |