81.170.0.0/18 - OPALTELECOM TalkTalk Communications Limited (AS13285)
CIDR
81.170.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇬🇧 United Kingdom
City
Salford
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.170.0.0/18 | AS13285 OPALTELECOM-AS TalkTalk Communications Limited | Valid | RIPE | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.170.0.0/17 | AS13285 OPALTELECOM-AS TalkTalk Communications Limited | Valid | - | 2026-10-11 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS13285 | RIPE | TALKTALK-MNT | 2025-12-10 |
Transfer History
Registry transfers of 81.170.0.0/18, blocks inside it, or blocks containing it.
- 81.170.0.0/17Transfer ·
- 81.170.0.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.170.0.0/17 | Transfer | |||
| 81.170.0.0/17 | Tiscali UK Limited | TalkTalk Communications Limited | Transfer |
Related Prefixes
More prefixes of AS13285
All prefixes of AS13285 →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/81.170.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.170.0.0/18" | jq
External Links