AS23233 — FENWICK

AS23233 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

FENWICK is the autonomous system for Fenwick & West, LLP, a prominent technology and life sciences law firm.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames such as FENWICK-1 and LVLT-FWL-11-8-39-136 registered to the firm.
• The AS announces 768 IPv4 addresses across 3 prefixes while maintaining only 3 observed neighbours, a ratio indicative of a small, self-contained internal network rather than a transit or access provider.

Notable

• All registrants in the RDAP data align with the announcer, listing variations of "Fenwick & West, LLP."
• The inventory consists of three distinct /24 blocks, representing a finely subdivided internal estate typical of a large professional services organization managing its own IT infrastructure.

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

Announced prefixes

• 8.39.136.0/24
• 63.197.243.0/24
• 216.234.137.0/24

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS7018 AT&T Enterprises, LLC
• AS19893 NTT Global Data Centers Americas, INC.

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS7018 AT&T Enterprises, LLC
• AS19893 NTT Global Data Centers Americas, INC.