Autonomous system profile

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

AS206218

Announcement observedRIPE NCC

Anne-Jan Zwart · AT4-AS

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

Last active10/11/2026, 02:46:10Snapshot expired

View network topology RDAP registration

ASN: AS206218
Registration country: Netherlands
Name: Anne-Jan Zwart
Abbreviation: AT4-AS
Registration date: 10/13/2025, 13:36:49
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
74.209.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 16:00:00	10/22/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Anne-Jan Zwart
RIR: RIPE NCC
Registration country: Netherlands
Registration date: 10/13/2025, 13:36:49
Abuse contact: annejan.zwart@gmail.com

Snapshot trend

10/11/2026, 02:46:101 v41 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