193.239.12.0/24 - SYN SEINE ET YVELINES NUMERIQUE (AS204509)
CIDR
193.239.12.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇫🇷 France
City
Guyancourt
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 193.239.12.0/24 | AS204509 SYN SEINE ET YVELINES NUMERIQUE | Valid | - | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 193.239.12.0/22 | AS204509 SYN SEINE ET YVELINES NUMERIQUE | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 193.239.12.0/24, blocks inside it, or blocks containing it.
- 193.239.12.0/22Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 193.239.12.0/22 | Transfer |
Origin ASN
AS204509
SYN SEINE ET YVELINES NUMERIQUE
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 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/193.239.12.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/193.239.12.0/24" | jq
External Links