Autonomous system profile

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

AS21443

Announcement observedRIPE NCC

CH_ATT_11 AT&T Global Network Services Nederland B.V. · CH_ATT_11

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

Last active10/1/2026, 07:26:28Snapshot expired

View network topology RDAP registration

ASN: AS21443
Registration country: Netherlands
Name: CH_ATT_11 AT&T Global Network Services Nederland B.V.
Abbreviation: CH_ATT_11
Registration date: 12/11/2001, 17:14:40
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
193.41.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: CH_ATT_11 AT&T Global Network Services Nederland B.V.
RIR: RIPE NCC
Registration country: Netherlands
Registration date: 12/11/2001, 17:14:40
Abuse contact: peering@intl.att.com

Snapshot trend

10/1/2026, 07:26:281 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