AS25577
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
AS 25577 C4L-AS
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 | 25577 |
|---|---|
| Name | C4L-AS |
| Organization | MAINFRAME & CYBERNETIC SYSTEMS LIMITED |
| Country | United Kingdom |
| Registry | RIPE NCC |
IPv4 Prefixes for AS25577 - showing the first 20 of 55 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 109.104.100.0/23 | Mainframe & Cybernetic Systems Limited |  London |
512 |
| 109.104.105.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 109.104.112.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 109.104.114.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 109.104.116.0/22 | Mainframe & Cybernetic Systems Limited | London |
1,024 |
| 109.104.120.0/21 | VERIUP Bulut Internet Hizmetleri A.S. |  Arnavutköy |
2,048 |
| 109.104.122.0/23 | C4L | Riseley |
512 |
| 109.104.124.0/22 | Mainframe & Cybernetic Systems Limited | London |
1,024 |
| 109.104.96.0/23 | C4L | Poole (Branksome) |
512 |
| 109.104.98.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 109.68.64.0/23 | Mainframe & Cybernetic Systems Limited | Hemel Hempstead |
512 |
| 109.68.68.0/24 | Xpuk | Milton Keynes |
256 |
| 178.251.233.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 178.251.238.0/24 | Mainframe & Cybernetic Systems Limited | Arnavutköy |
256 |
| 178.251.239.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 185.229.20.0/23 | Mainframe & Cybernetic Systems Limited | London |
512 |
| 185.5.88.0/22 | Secure Email Hosting L | London (Temple) |
1,024 |
| 31.3.208.0/24 | Mainframe & Cybernetic Systems Limited | London |
256 |
| 31.3.211.0/24 | C4L | Poole (Branksome) |
256 |
| 31.3.212.0/23 | Mainframe & Cybernetic Systems Limited | London |
512 |
IPv6 Prefixes for AS25577
| Network | Location | /64 Prefixes | |
|---|---|---|---|
| 2001:9d8::/32 | C4L | Croydon |
232 |