AS204509
SEINE ET YVELINES NUMERIQUE — synadm.fr
Keep users in the loop.
Ship release notes that get read
Try Noticeable
Interested in advertising here?
Contact us
Summary
| Country |
 France
|
| Organization | SEINE ET YVELINES NUMERIQUE |
| Domain | synadm.fr |
| Number of IPv4 | 1,024 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | January 21, 2026 (about 1 months ago) |
| Updated | January 21, 2026 (about 1 months ago) |
IP Ranges
AS204509 announces 1 IPv4 range and 1 IPv6 range.
That's a total of 1,024 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 193.239.12.0/22 |
SEINE ET YVELINES NUMERIQUE
|
1,024 | RIPE NCC | ASSIGNED PI |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a11:93c0::/29 |
SEINE ET YVELINES NUMERIQUE
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS204509 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS204509 connects to the global Internet via at least 1 upstream provider. In this setup, AS204509 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS204509 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.