81.1.0.0/18 - LDCOMNET Societe Francaise Du Radiotelephone SFR (AS15557)
CIDR
81.1.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇫🇷 France
City
Saint-Denis
RIR
RIPE NCC
Status
allocated
Allocated
2001-12-24
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.1.0.0/18 | AS15557 LDCOMNET Societe Francaise Du Radiotelephone - SFR SA | Valid | RIPE | 2026-10-11 |
More Specific Prefixes
Transfer History
Registry transfers of 81.1.0.0/18, blocks inside it, or blocks containing it.
- 81.1.0.0/18M&A ·
- 81.1.0.0/18Transfer ·
Related Prefixes
More prefixes of AS15557
All prefixes of AS15557 →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/81.1.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.1.0.0/18" | jq
External Links