Autonomous system profile

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

AS31438

Announcement observedRIPE NCC

Stadtwerke Marburg GmbH · SWMR-AS

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

Last active10/2/2026, 09:35:19Snapshot expired

View network topology RDAP registration

ASN: AS31438
Registration country: Germany
Name: Stadtwerke Marburg GmbH
Abbreviation: SWMR-AS
Registration date: 5/18/2004, 14:24:18
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
212.89.196.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
83.137.64.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/29/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Stadtwerke Marburg GmbH
RIR: RIPE NCC
Registration country: Germany
Registration date: 5/18/2004, 14:24:18
Abuse contact: support@citynet-marburg.de

Snapshot trend

10/2/2026, 09:35:192 v41 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 · iana-rdap-asn-bootstrap · rir-rdap-asn