AS63260 — ALYESKA - Alyeska Inc.

AS63260 announces 2 IPv4 prefixes covering 512 addresses and 1 IPv6 prefixes.

About this network

WHRU-FL is held by Alyeska Inc.

What it's used for

• The address space carries corporate infrastructure, with both announced IPv4 prefixes registered under the netname ALYESKA and registrant Alyeska Inc.
• The AS announces 512 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining only 2 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider
• Traffic from this AS consists of internal corporate communications and operational systems for Alyeska Pipeline Service Company, which manages the Trans-Alaska Pipeline System

Notable

• Registrants for both announced prefixes match the AS holder, with Alyeska Inc. listed as the registrant for both 23.151.124.0/24 and 198.177.137.0/24
• The address inventory is compact and finely subdivided, consisting of two /24 blocks and a single /36 IPv6 prefix, typical of an internal corporate estate with site-by-site segmentation

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 23.151.124.0/24
• 198.177.137.0/24
• 2602:f48d::/36

Upstream networks

• AS212895 Johannes Ernst
• AS20473 The Constant Company, LLC
• AS1097 Core Transit LLC

Downstream networks

• AS31788 Poppy Inc

Adjacent networks

• AS212895 Johannes Ernst
• AS31788 Poppy Inc
• AS1097 Core Transit LLC
• AS20473 The Constant Company, LLC

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: 9 authorised providers.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-31788:AS-POPPY, AS-401537:AS-POPPYCORP, AS-63260:AS-ALYESKA, AS-HURRICANE, AS-HURRICANEV6, AS-RETN-ACTUAL-V6, AS1097:AS-PEERS, AS1097:AS-TUNNELED, AS20473:AS-VULTR, AS52025:AS-DOWNSTREAMS-AMSTERDAM, AS52025:AS-DOWNSTREAMS-ASHBURN, AS52025:AS-DOWNSTREAMS-AUCKLAND, AS52025:AS-DOWNSTREAMS-FRANKFURT, AS52025:AS-DOWNSTREAMS-FREMONT, AS52025:AS-DOWNSTREAMS-KANSASCITY, AS52025:AS-DOWNSTREAMS-NEWARK, AS52025:AS-DOWNSTREAMS-SINGAPORE, AS52025:AS-DOWNSTREAMS-STOCKHOLM, AS52025:AS-DOWNSTREAMS-SYDNEY, AS52025:AS-DOWNSTREAMS-TOKYO, AS52025:AS-DOWNSTREAMS-TORONTO, AS6128:AS-CUSTOMERS.