AS25577
MAINFRAME & CYBERNETIC SYSTEMS LIMITED
GBCarrier2026-11-13
Announced prefixes 55
5.133.184.0/225.133.188.0/235.133.191.0/2431.3.208.0/2431.3.211.0/2431.3.212.0/2331.3.221.0/2431.3.223.0/2437.58.24.0/2237.58.29.0/2477.73.11.0/2477.73.15.0/2478.40.56.0/2378.40.61.0/2481.27.64.0/2481.27.66.0/2381.27.72.0/2381.27.75.0/2481.27.76.0/2481.27.80.0/2281.27.81.0/2481.27.87.0/2481.27.88.0/2181.27.88.0/2281.27.92.0/2381.27.92.0/2481.27.94.0/2481.27.95.0/2482.197.72.0/2484.45.8.0/2184.45.16.0/2084.45.32.0/1984.45.64.0/1884.45.75.0/2485.159.88.0/2485.159.90.0/2385.159.95.0/24109.68.64.0/23109.68.68.0/24109.104.96.0/23109.104.98.0/24109.104.100.0/23109.104.105.0/24109.104.112.0/24109.104.114.0/24109.104.116.0/22109.104.120.0/21109.104.122.0/23109.104.124.0/22178.251.233.0/24178.251.238.0/24178.251.239.0/24185.5.88.0/22185.132.181.0/242001:9d8::/32Snapshot history
| Date | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| 2026-11-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-12 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-11 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-10 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-09 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-08 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-07 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-06 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-05 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-04 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-03 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-02 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-11-01 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-31 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-30 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-29 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-28 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-27 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-26 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-25 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-24 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-23 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-22 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-21 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-20 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-19 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-18 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-17 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-16 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-15 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-14 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-12 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-11 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-10 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-09 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-08 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-07 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-06 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-05 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-04 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-03 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-02 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-10-01 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-30 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-29 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-28 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-27 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-26 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-25 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-24 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-23 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-22 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-21 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-20 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-19 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-18 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-17 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-16 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-15 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-14 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-12 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-11 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-10 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-09 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-08 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-07 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-06 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-05 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-04 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-03 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-02 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-09-01 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-31 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-30 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-29 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-28 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-27 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-26 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-25 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-24 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-23 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-22 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-21 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-20 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-19 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-18 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-17 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-16 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-15 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-14 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-12 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-11 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-10 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-09 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-08 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-07 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 55 |
| 2026-08-06 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-08-05 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-08-04 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-08-03 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-08-02 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-08-01 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-31 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-30 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-29 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-28 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-27 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-26 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-25 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-24 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-23 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 56 |
| 2026-07-22 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-21 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-20 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-19 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-18 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-17 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-16 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-15 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-14 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-12 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-11 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-10 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-09 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-08 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-07 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-06 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-05 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-04 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-03 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-02 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-07-01 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-30 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-29 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-28 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-27 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-26 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-25 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-24 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-23 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-22 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-21 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-20 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-19 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-18 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-17 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-16 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-15 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-14 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
| 2026-06-13 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | GB | Carrier | 57 |
IP-block changes
Open full filtered history →| Observed | Block | Action | Previous origins | New origins |
|---|---|---|---|---|
| 2026-08-07 | 185.229.20.0/23 | Released | AS25577 | AS199492 |
| 2026-07-23 | 62.69.143.0/24 | Released | AS25577, AS199196 | — |
Changes page 1