85.159.90.0/23 - C4L MAINFRAME & CYBERNETIC SYSTEMS LIMITED (AS25577)
CIDR
85.159.90.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
Cambridge
RIR
RIPE NCC
Status
allocated
Allocated
2005-03-09
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 85.159.90.0/23 | AS25577 C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | RIPE | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25577 | RIPE | C4L-MNT | 2025-03-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 85.159.90.0/24 | 🇬🇧GB | assigned | |
| 85.159.91.128/26 | 🇬🇧GB | assigned | |
| 85.159.91.192/27 | 🇬🇧GB | assigned | |
| 85.159.91.224/28 | 🇬🇧GB | assigned | |
| 85.159.91.240/29 | 🇬🇧GB | assigned | |
| 85.159.91.248/30 | 🇬🇧GB | assigned | |
| 85.159.91.252/31 | 🇬🇧GB | assigned | |
| 85.159.91.254/32 | 🇬🇧GB | assigned |
Transfer History
Registry transfers of 85.159.90.0/23, blocks inside it, or blocks containing it.
- 85.159.90.0/23Transfer ·
Related Prefixes
More prefixes of AS25577
All prefixes of AS25577 →Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/85.159.90.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/85.159.90.0/23" | jq
External Links