Autonomous system profile

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

AS209377

Announcement observedRIPE NCC

4Consult B.V. · FOURCONSULT

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

Last active10/11/2026, 21:47:47Snapshot expired

View network topology RDAP registration

ASN: AS209377
Registration country: Netherlands
Name: 4Consult B.V.
Abbreviation: FOURCONSULT
Registration date: 2/20/2019, 10:01:06
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
152.89.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/27/2026, 16:00:00	10/26/2026, 16:00:00	✓	×	Currently valid
152.89.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/27/2026, 16:00:00	10/26/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: 4Consult B.V.
RIR: RIPE NCC
Registration country: Netherlands
Registration date: 2/20/2019, 10:01:06
Abuse contact: abuse@4consult.nl

Snapshot trend

10/11/2026, 21:47:472 v411 v62 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