Autonomous system profile

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

AS204541

Announcement observedRIPE NCC

ANTONOV JSC "Antonov" · ANTONOV

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

Last active10/10/2026, 20:36:10Snapshot expired

View network topology RDAP registration

ASN: AS204541
Registration country: Ukraine
Name: ANTONOV JSC "Antonov"
Abbreviation: ANTONOV
Registration date: 2/20/2018, 12:11:15
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.239.185.0/24BGP · 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: ANTONOV JSC "Antonov"
RIR: RIPE NCC
Registration country: Ukraine
Registration date: 2/20/2018, 12:11:15
Abuse contact: mail@antonov.com

Snapshot trend

10/10/2026, 20:36:101 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 · rir-rdap-asn · iana-rdap-asn-bootstrap