Autonomous system profile

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

AS51191

Announcement observedRIPE NCC

XIRRA Core-Backbone GmbH · XIRRA

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

Last active10/4/2026, 17:07:42Snapshot expired

View network topology RDAP registration

ASN: AS51191
Registration country: Germany
Name: XIRRA Core-Backbone GmbH
Abbreviation: XIRRA
Registration date: 2/7/2011, 16:13:12
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
130.185.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
185.108.216.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
185.169.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
185.169.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
185.24.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
195.138.240.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
195.138.244.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid
91.232.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/12/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: XIRRA Core-Backbone GmbH
RIR: RIPE NCC
Registration country: Germany
Registration date: 2/7/2011, 16:13:12
Abuse contact: abuse@core-backbone.com

Snapshot trend

10/4/2026, 17:07:428 v4250 v64 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