AS54271 — MECHANICS

AS54271 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

MECHANICS is the autonomous system for Mechanics Bank.

What it's used for

• The space carries internal corporate infrastructure, identified by the netname MB-8 and registrant Mechanics Bank.
• The AS announces 512 IPv4 addresses within a single prefix (104.129.150.0/23) and maintains only 1 observed neighbour, indicating a small, self-contained corporate network rather than a transit or access provider.
• Traffic from this AS consists of internal banking operations, branch backhaul, and corporate endpoints for a financial institution headquartered in Walnut Creek, California.

Notable

• The RDAP registrant Mechanics Bank aligns perfectly with the AS handle and the registry holder.
• Mechanics Bank completed a strategic merger with HomeStreet, Inc., with HomeStreet Bank merging into Mechanics Bank, which survived as the banking corporation.
• The address inventory is a single /23 block, representing a compact and finely managed corporate estate.

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

Announced prefixes

• 104.129.150.0/23

Upstream networks

• AS23005 SWITCH, LTD

Adjacent networks

• AS23005 SWITCH, LTD

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 33% of announcements registered; 6 route objects.
• Listed in as-sets: AS-AS23005.