Autonomous system profile

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

AS31371

Announcement observedRIPE NCC

Wissenschaftsladen Dortmund e.V. · WISSENSCHAFTSLADEN-AS

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

Last active10/27/2026, 01:09:24Snapshot expired

View network topology RDAP registration

ASN: AS31371
Registration country: Germany
Name: Wissenschaftsladen Dortmund e.V.
Abbreviation: WISSENSCHAFTSLADEN-AS
Registration date: 4/27/2004, 11:07:26
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
91.204.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
91.204.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
91.204.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
91.204.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Wissenschaftsladen Dortmund e.V.
RIR: RIPE NCC
Registration country: Germany
Registration date: 4/27/2004, 11:07:26
Abuse contact: abuse@xs4free.net

Snapshot trend

10/27/2026, 01:09:244 v41 v61 Upstream · 0 Uncertain

10/2/2026, 09:33:424 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