Autonomous system profile

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

AS51931

Announcement observedRIPE NCC

ARPNET WOJCIECH CHODACKI · ARPNET-AS

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

Last active10/4/2026, 19:07:03Snapshot expired

View network topology RDAP registration

ASN: AS51931
Registration country: Poland
Name: ARPNET WOJCIECH CHODACKI
Abbreviation: ARPNET-AS
Registration date: 12/1/2010, 11:52:58
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
85.11.117.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/4/2026, 08:00:00	✓	×	Historical record
91.221.122.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/4/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: ARPNET WOJCIECH CHODACKI
RIR: RIPE NCC
Registration country: Poland
Registration date: 12/1/2010, 11:52:58
Abuse contact: admin@arpnet.pl

Snapshot trend

10/4/2026, 19:07:032 v41 v66 Upstream · 1 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