EUROPEAN ORGANISATION FOR ASTRONOMICAL RESEARCH IN THE SOUTHERN HEMISPHERE
European Southern Observatory
Data as of 2026-07-26
GLEIF verified
Limited data: only 3 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
LEI
213800POP9FPJBR9V957
Registered name
EUROPEAN ORGANISATION FOR ASTRONOMICAL RESEARCH IN THE SOUTHERN HEMISPHERE
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 3 · 65,536 IPv4 addresses |
| Cluster ID | 214379844 |
| Registry | BGP |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800POP9FPJBR9V957 |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 134.171.0.0/16 | European Southern Observatory | RIPE | LEGACY | ● high |
| 134.171.0.0/18 | European Southern Observatory | BGP | ANNOUNCED | ● high |
| 134.171.64.0/20 | European Southern Observatory | BGP | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(2 of 3)
No discrepancies found among checked blocks.
NIC Handles
AS2117
DFN-LIR-MNT
DFN-MNT
DUMY-RIPE
DUMY-RIPE
ORG-ESO5-RIPE
RIPE-NCC-LEGACY-MNT