Autonomous system profile

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

AS43712

Announcement observedRIPE NCC

Open Systems Ltd. · OPENSYSTEMS-AS

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

Last active10/3/2026, 19:23:49Snapshot expired

View network topology RDAP registration

ASN: AS43712
Registration country: Russia
Name: Open Systems Ltd.
Abbreviation: OPENSYSTEMS-AS
Registration date: 9/18/2007, 10:13:13
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
91.195.128.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
91.204.104.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Open Systems Ltd.
RIR: RIPE NCC
Registration country: Russia
Registration date: 9/18/2007, 10:13:13
Abuse contact: and@osystems.ru

Snapshot trend

10/3/2026, 19:23:492 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