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Organization

European Southern Observatory

IPv4 addresses
20,480
CIDR ranges
2
Category
unknown
BGP prefixes announced
2

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by European Southern Observatory

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by European Southern Observatory

ASNNameIPsPrefixesCountry
AS2117 European Southern Observatory 20.5K 2 DE

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
134.171.0.0/18 16.4K
1.0%
AS2117 DE Bavaria Garching
134.171.64.0/20 4.1K
0.9%
AS2117 DE Bavaria Garching

Frequently Asked Questions

How many IP addresses does European Southern Observatory own?

European Southern Observatory controls 20.5K IPv4 addresses distributed across 2 CIDR ranges. The organization is registered in Germany.

What ASNs does European Southern Observatory operate?

European Southern Observatory operates 1 Autonomous System. Each ASN represents an independently routed network that European Southern Observatory manages for internet traffic delivery.

What type of organization is European Southern Observatory?

European Southern Observatory is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-30 05:40:31 UTC
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