AS40673 — SHELTERCUSTOMER

AS40673 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle SHELTERCUSTOMER is held by Shelter Mutual Insurance.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname CTL-SMI-39-NET2 and reverse DNS entries pointing to centurylink.net.
• The inventory consists of 256 IPv4 addresses within a single /24 prefix (173.248.91.0/24) and 0 IPv6 prefixes, with 2 observed neighbours.
• Traffic from this AS represents internal corporate operations for a mutual insurance company, including office workers and business systems, rather than consumer or transit traffic.

Notable

• The registrant Shelter Mutual Insurance agrees with the announcer, and the netname CTL-SMI-39-NET2 reflects the company's identity.
• The address inventory is a single contiguous /24 block, indicating a small, self-contained corporate estate.

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

Announced prefixes

• 173.248.91.0/24

Upstream networks

• AS4581 Socket Holdings Corporation
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS4581 Socket Holdings Corporation
• AS3356 Level 3 Parent, LLC