Autonomous system profile

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

AS2117

Announcement observedRIPE NCC

European Southern Observatory · UNSPECIFIED

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

Last active9/29/2026, 08:56:18Snapshot expired

View network topology RDAP registration

ASN: AS2117
Registration country: Germany
Name: European Southern Observatory
Abbreviation: UNSPECIFIED
Registration date: 1/1/1970, 00:00:00
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
134.171.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 00:00:00	✓	×	Historical record
134.171.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/13/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: European Southern Observatory
RIR: RIPE NCC
Registration country: Germany
Registration date: 1/1/1970, 00:00:00
Abuse contact: abuse@eso.org

Snapshot trend

9/29/2026, 08:56:182 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