AS20229 — MERRICK-AS

AS20229 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

The AS handle MERRICK-AS is held by Merrick Bank.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by reverse DNS entries such as apistg.merrickbank.com and mb-255.merrickbank.com.
• The network announces 768 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating a small, self-contained internal estate rather than a transit or access network.

Notable

• Registrants for both announced prefixes (204.10.148.0/23 and 204.10.151.0/24) are listed as Merrick Bank, matching the AS holder.
• The address inventory is finely subdivided into two small blocks, consistent with site-by-site segmentation for a single corporate entity.

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

Announced prefixes

• 204.10.148.0/23
• 204.10.151.0/24

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS33660 Comcast Cable Communications, LLC

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS33660 Comcast Cable Communications, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 67% of announcements registered; 2 route objects.
• Listed in as-sets: AS-COMCAST-EDIA, AS-XO, AS-XO-B, AS6128:AS-CUSTOMERS.