Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS2103

Announcement observedARIN

FR-IFREMER-BREST - Renater · FR-IFREMER-BREST

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/29/2026, 08:55:56Snapshot expired

View network topology RDAP registration

ASN: AS2103
Registration country: France
Name: FR-IFREMER-BREST - Renater
Abbreviation: FR-IFREMER-BREST
Registration date: 8/21/2002, 16:42:41
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
134.246.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
134.246.240.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: FR-IFREMER-BREST - Renater
RIR: ARIN
Registration country: France
Registration date: 8/21/2002, 16:42:41
Abuse contact: certsvp@renater.fr

Snapshot trend

9/29/2026, 08:55:562 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap