Autonomous system profile

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

AS205477

Announcement observedRIPE NCC

Sennheiser Electronic SE · Sennheiser-KG

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

Last active10/15/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS205477
Registration country: Germany
Name: Sennheiser Electronic SE
Abbreviation: Sennheiser-KG
Registration date: 8/11/2017, 12:05:11
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.217.44.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: Sennheiser Electronic SE
RIR: RIPE NCC
Registration country: Germany
Registration date: 8/11/2017, 12:05:11
Abuse contact: ip-admin@sennheiser.com

Snapshot trend

10/11/2026, 00:24:411 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 · cha-la-bgp-observations