Autonomous system profile

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

AS12816

Announcement observedRIPE NCC

MWN-AS Leibniz-Rechenzentrum · MWN-AS

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

Last active10/4/2026, 01:27:42Snapshot expired

View network topology RDAP registration

ASN: AS12816
Registration country: Germany
Name: MWN-AS Leibniz-Rechenzentrum
Abbreviation: MWN-AS
Registration date: 10/21/2002, 12:08:09
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
129.187.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
138.244.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
138.246.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
141.40.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
141.84.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
192.129.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
192.54.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
192.68.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record
192.68.212.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/3/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: MWN-AS Leibniz-Rechenzentrum
RIR: RIPE NCC
Registration country: Germany
Registration date: 10/21/2002, 12:08:09
Abuse contact: abuse@lrz.de

Snapshot trend

10/4/2026, 01:27:429 v41 v61 Upstream · 0 Uncertain

9/30/2026, 07:46:359 v41 v61 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