AS204509 SYN SEINE ET YVELINES NUMERIQUE
🇫🇷Org handle: ORG-SEYN1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
2total
2 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)1,280
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)0
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | - | 2026-10-11 |
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 193.239.12.0/22 | 🇫🇷 FR | RIPENCC | assigned |
| 2a11:93c0::/29 | 🇫🇷 FR | RIPENCC | allocated |
All 2 announced prefixes of AS204509 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS204509 hands its own prefixes to: transit providers, or peers at an exchange.
- AS31167Axione S.A.S2
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS204509 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/204509Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/204509" | jq