AS204509 SYN

France RIPE 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

IPv6 /64 networks

Upstreams

Peers and downstreams

Holder

AS name: SYN
Description: SEINE ET YVELINES NUMERIQUE
Organisation: SEINE ET YVELINES NUMERIQUE
Registered in: Guyancourt, France
Abuse contact: abuse@synadm.fr
Assigned: 2026-01-20
Registered: 2026-01-21
Record last changed: 2026-09-09 08:26 UTC

193.239.12.0/22

WHOIS

aut-num:        AS204509
as-name:        SYN
org:            ORG-SEYN1-RIPE
admin-c:        RR14745-RIPE
tech-c:         RR14745-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-fr-seineetyvelines-1-MNT
created:        2026-01-21T13:47:33Z
last-modified:  2026-09-09T08:26:16Z
source:         RIPE
% 6 routing policy lines (import/export) not shown