asn.dev

Autonomous system

AS20552 HORYZONT

Hosting RIPE

IPv4 addresses 11.26K 15 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 0 recorded by PCH
Upstreams 5 29 downstream
Flagged prefixes 0 none

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

5 upstream, 29 downstream and 39 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS9002RETN Limited1,049
AS6939Hurricane Electric LLC261
AS1299Arelion Sweden AB100
AS50606Horyzont Technologie Internetowe sp.z.o.o.46
AS29314VECTRA S.A.22

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 15 prefixes · 11.26K addresses IPv6 1 prefixes

CountryNamePrefixes
PLPoland16

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS20552
Registry name
HORYZONT
Registrant
HORYZONT-MNT
Abuse contact
abuse@horyzont.net
Registered
2001-12-07
Last changed
2024-12-19
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 27 valid, 0 with no ROA
ROAs
33 authorising AS20552
ASPA
no ASPA record
IRR
100% registered · 27 of 27 announcements
Route objects
87 naming AS20552

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check