Autonomous system profile

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

AS15770

Announcement observedRIPE NCC

DERWENTSIDE Durham County Council · DERWENTSIDE

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

Last active9/30/2026, 15:48:40Snapshot expired

View network topology RDAP registration

ASN: AS15770
Registration country: United Kingdom
Name: DERWENTSIDE Durham County Council
Abbreviation: DERWENTSIDE
Registration date: 1/1/1970, 00:00:00
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
217.23.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DERWENTSIDE Durham County Council
RIR: RIPE NCC
Registration country: United Kingdom
Registration date: 1/1/1970, 00:00:00
Abuse contact: ups@servicedirectnewco.co.uk

Snapshot trend

9/30/2026, 15:48:401 v40 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 · rir-rdap-asn · iana-rdap-asn-bootstrap