Autonomous system profile

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

AS51887

Announcement observedRIPE NCC

FREQUENTIS COMSOFT GmbH · ASCOMSOFT

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

Last active10/4/2026, 19:04:57Snapshot expired

View network topology RDAP registration

ASN: AS51887
Registration country: Germany
Name: FREQUENTIS COMSOFT GmbH
Abbreviation: ASCOMSOFT
Registration date: 11/23/2010, 16:06:41
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
91.220.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
91.221.120.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: FREQUENTIS COMSOFT GmbH
RIR: RIPE NCC
Registration country: Germany
Registration date: 11/23/2010, 16:06:41
Abuse contact: abuse@frequentis.com

Snapshot trend

10/4/2026, 19:04:572 v40 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 · iana-rdap-asn-bootstrap · rir-rdap-asn