AS204509
SEINE ET YVELINES NUMERIQUE
AS204509 is SEINE ET YVELINES NUMERIQUE (synadm.fr). It announces 1,024 IPv4 addresses in 1 prefixes, and 0 IPv6 prefixes.
France· RIPE· allocated 2026-01-21· business
1,024
IPv4 addresses announced
1
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
1,024
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- France1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SYN
- name
- SEINE ET YVELINES NUMERIQUE
- org
- ORG-SEYN1-RIPE
- org name
- SEINE ET YVELINES NUMERIQUE
- org address
- 15 B AV DU CENTRE, 78280, GUYANCOURT, FRANCE
- org country
- FR
- country
- FR
- source
- ripe
- status
- ASSIGNED
- created
- 2026-01-21
- updated
- 2026-09-09
- maintainer
- RIPE-NCC-END-MNT|lir-fr-seineetyvelines-1-MNT
- abuse name
- Abuse-C Role
- abuse email
- abuse@synadm.fr
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP69forcepoint_ngfw6.74%
- anyip, kocerroxy0.20%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 193.239.12.0/22 | France | valid | 17 | 2026-10-02 |
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.