AS36229 — YAHOO-YSM-SC8

AS36229 announces 2 IPv4 prefixes covering 768 addresses and 1 IPv6 prefixes.

About this network

YAHOO-YSM-SC8 is operated by Yahoo Holdings Inc.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by reverse DNS entries such as et18-1.bas3-1-edg.laa.yahoo.com and et51.rsw6-1-edg.laa.yahoo.com, which indicate edge and routing equipment within Yahoo's network.
• The AS announces 768 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, indicating a small, self-contained corporate estate rather than a transit or access network.

Notable

• Registrants for both announced IPv4 prefixes are listed as Yahoo Holdings Inc., matching the AS holder and confirming direct ownership of the address space.
• The inventory consists of two IPv4 blocks (209.73.190.0/23 and 209.73.188.0/24) and a single IPv6 /48, reflecting a compact, internally managed network footprint.

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

Announced prefixes

• 209.73.188.0/24
• 209.73.190.0/23
• 2001:4998:28::/48

Upstream networks

• AS10310 Yahoo Holdings Inc.

Adjacent networks

• AS10310 Yahoo Holdings Inc.