81.185.0.0/21 - BGP Prefix
IPv4RIPEassigned RPKI Valid
CIDR
81.185.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇫🇷 France
City
Saint-Denis
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.185.0.0/16 | AS15557 LDCOMNET Societe Francaise Du Radiotelephone - SFR SA | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 81.185.0.0/21, blocks inside it, or blocks containing it.
- 81.185.0.0/16M&A ·
- 81.185.0.0/16Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.185.0.0/16 | SFR SA | Societe Francaise Du Radiotelephone - SFR SA | M&A | |
| 81.185.0.0/16 | Societe Francaise du Radiotelephone S.A. | SFR SA | Transfer |
Related Prefixes
Geolocation
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/81.185.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.185.0.0/21" | jq
External Links