AS54053 — REALOGY-DDC - Realogy Group LLC

AS54053 announces 15 IPv4 prefixes covering 4,864 addresses and 0 IPv6 prefixes.

About this network

The AS handle REALOGY-DDC is held by Realogy Group LLC.

What it's used for

• The address space carries corporate infrastructure, evidenced by the consistent netname REALOGY across all listed prefixes.
• The AS announces 4,864 IPv4 addresses across 15 prefixes with only 2 observed neighbours, indicating a small, self-contained internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of office workers and internal systems for a residential real estate brokerage firm operating in major US metropolitan areas.

Notable

• All registrants in the RDAP data are Realogy Group LLC, matching the AS holder and the netname REALOGY.
• The company was rebranded as Anywhere Real Estate in 2022 and acquired by Compass, Inc. in 2026.
• The inventory consists of finely subdivided /23 and /24 blocks within the 167.182.0.0/16 and 198.151.0.0/16 ranges, typical of site-by-site corporate segmentation.

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

Announced prefixes

• 167.182.1.0/24
• 167.182.2.0/23
• 167.182.6.0/23
• 167.182.59.0/24
• 167.182.67.0/24
• 167.182.71.0/24
• 167.182.73.0/24
• 167.182.74.0/23
• 167.182.76.0/23
• 167.182.80.0/24
• 167.182.82.0/24
• 167.182.85.0/24
• 198.151.39.0/24
• 198.151.42.0/24
• 198.175.44.0/24

Upstream networks

• AS174 Cogent Communications, LLC
• AS33652 Comcast Cable Communications, LLC

Adjacent networks

• AS174 Cogent Communications, LLC
• AS33652 Comcast Cable Communications, LLC

Routing security

• RPKI: 19 valid, 0 invalid and 0 not-found announcements; 19 ROAs.
• ASPA: none published.
• IRR: 37% of announcements registered; 9 route objects.
• Listed in as-sets: AS-COMCAST-EDIA, AS-WINDSTREAM-CUST.