AS46838 — POLB-1 - Port of Long Beach

AS46838 announces 2 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

The AS handle POLB-1 is held by Port of Long Beach.

What it's used for

• The address space carries internal port operations, with both announced prefixes registered under the netname POLB-01 and registrant Port of Long Beach.
• The network announces 1280 IPv4 addresses across 2 prefixes and maintains 2 observed neighbours, indicating a small, self-contained internal estate rather than a transit or access network.
• Traffic from this AS consists of internal administrative, operational, and logistical systems supporting the port's container handling and trade infrastructure.

Notable

• Registrants for both announced prefixes agree with the announcer, identifying Port of Long Beach as the holder.
• The address inventory is compact and finely subdivided into two distinct blocks, consistent with an internal corporate or municipal estate segmented by function or site.

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

Announced prefixes

• 199.231.152.0/22
• 199.231.157.0/24

Upstream networks

• AS20001 Charter Communications Inc
• AS5650 Frontier Communications of America, Inc.

Adjacent networks

• AS20001 Charter Communications Inc
• AS5650 Frontier Communications of America, Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 60% of announcements registered; 5 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-FRONTIER, AS-HURRICANE, AS-RR-BIZ, AS-XO, AS-XO-B.