AS36646 — YAHOO-NE1

AS36646 announces 16 IPv4 prefixes covering 94,720 addresses and 4 IPv6 prefixes.

About this network

The AS handle YAHOO-NE1 is held by Yahoo Holdings Inc.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by reverse DNS entries such as xe-1-3-0.clr1-a-gdc.ne1.yahoo.com and sonic308.consmr.mail.ne1.yahoo.com.
• The inventory consists of 94,720 IPv4 addresses across 51 prefixes and 4 IPv6 prefixes, with only 1 observed neighbour, indicating a self-contained corporate estate rather than a transit or access network.

Notable

• All registrants in the RDAP sample are listed as Yahoo Holdings Inc., matching the AS holder.
• The address inventory is finely subdivided into numerous /20 and /21 blocks, primarily within the 98.136.0.0/16 and 98.138.0.0/16 ranges, consistent with site-by-site segmentation for a large enterprise.

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

Announced prefixes

• 66.163.168.0/21
• 66.163.176.0/20
• 72.30.240.0/22
• 74.6.228.0/22
• 98.136.96.0/22
• 98.136.104.0/22
• 98.136.120.0/21
• 98.137.80.0/21
• 98.137.154.0/23
• 98.137.156.0/22
• 98.137.216.0/21
• 98.138.0.0/16
• 98.139.108.0/22
• 216.155.192.0/20
• 216.252.104.0/21
• 216.252.112.0/20
• 2001:4998:44::/46
• 2001:4998:19c::/46
• 2001:4998:ef6c::/48
• 2001:4998:efeb::/48

Upstream networks

• AS10310 Yahoo Holdings Inc.

Adjacent networks

• AS10310 Yahoo Holdings Inc.