Autonomous system profile

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

AS18443

Announcement observedARIN

APSC - Alyeska Pipeline Service Company · APSC

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

Last active9/30/2026, 22:15:57Snapshot expired

View network topology RDAP registration

ASN: AS18443
Registration country: United States
Name: APSC - Alyeska Pipeline Service Company
Abbreviation: APSC
Registration date: 11/15/2006, 23:25:23
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
151.169.240.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Historical record
151.169.28.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Historical record
151.169.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: APSC - Alyeska Pipeline Service Company
RIR: ARIN
Registration country: United States
Registration date: 11/15/2006, 23:25:23
Abuse contact: finn.rye@alyeska-pipeline.com

Snapshot trend

9/30/2026, 22:15:573 v40 v63 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