Autonomous system profile

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

AS8356

Announcement observedRIPE NCC

PRT Systems Limited · NEOTEL-UK

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

Last active9/29/2026, 21:27:51Snapshot expired

View network topology RDAP registration

ASN: AS8356
Registration country: United Kingdom
Name: PRT Systems Limited
Abbreviation: NEOTEL-UK
Registration date: 11/8/2004, 20:15:29
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.109.124.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record
217.198.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: PRT Systems Limited
RIR: RIPE NCC
Registration country: United Kingdom
Registration date: 11/8/2004, 20:15:29
Abuse contact: ripe-abuse@prtsystems.net.uk

Snapshot trend

9/29/2026, 21:27:512 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