85.189.154.0/23 - BT UK British Telecommunications Limited (AS2856)
CIDR
85.189.154.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 85.189.154.0/23 | AS2856 BT-UK-AS British Telecommunications Limited | Valid | RIPE | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 85.189.0.0/16 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 85.189.154.0/23 | AS2856 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS2856 | RIPE | AS3257-IPAM-MNT | 2026-08-11 |
Transfer History
Registry transfers of 85.189.154.0/23, blocks inside it, or blocks containing it.
- 85.189.0.0/16M&A ·
- 85.189.0.0/16M&A ·
- 85.189.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 85.189.0.0/16 | INTEROUTE NETWORKS LIMITED | GTT - EMEA Ltd. | M&A | |
| 85.189.0.0/16 | Interoute Managed Services UK Limited | INTEROUTE NETWORKS LIMITED | M&A | |
| 85.189.0.0/16 | EASYNET CHANNEL PARTNERS LIMITED | Interoute Managed Services UK Limited | M&A |
Related Prefixes
Geolocation
Country🇬🇧United KingdomGB
CityLondon
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/85.189.154.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/85.189.154.0/23" | jq
External Links