194.189.186.0/23 - BT UK British Telecommunications Limited (AS2856)
CIDR
194.189.186.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
Brighton
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 194.189.186.0/23 | AS2856 BT-UK-AS British Telecommunications Limited | No ROA | RIPE | 2026-10-13 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS2856 | RIPE | UKNHS-MNT | 2026-09-08 |
Transfer History
Registry transfers of 194.189.186.0/23, blocks inside it, or blocks containing it.
- 194.189.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 194.189.0.0/16 | Health and Social Care Information Centre | NHS England | M&A |
Related Prefixes
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/194.189.186.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/194.189.186.0/23" | jq
External Links