Robtex

Up: 98.136.146.0/23
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Down left: 98.136.146.0/25
Down right: 98.136.146.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
98.136.146.1	PTR	ha5.po-5.bas-j.ac4.yahoo.com
98.136.146.3	PTR	po-5.bas-j1.ac4.yahoo.com
98.136.146.5	PTR	ac4-antools-int2.ads.vip.ac4.yahoo.com
98.136.146.8	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.26	A	vendnovation.corpapps.vip.gq1.yahoo.com
98.136.146.29	PTR	qatpui2.ysm.vip.ac4.yahoo.com
98.136.146.33	PTR	stg-pp.infra.vip.gq1.yahoo.com
98.136.146.33	A	ue1.health.flickr.g00.yahoodns.net
98.136.146.33	A	ue-ycpi-shed-25.gycpi.b.yahoodns.net
98.136.146.43	PTR	qa-imganlzr.adx.vip.ac4.yahoo.com
98.136.146.45	PTR	int2-inxctws.adx.vip.ac4.yahoo.com
98.136.146.79	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.105	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.106	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.125	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.142	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.145	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.149	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.150	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.157	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.183	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.188	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.192	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.195	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.200	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.209	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.224	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.229	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.247	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.253	PTR	unknown-98-136-146-x.yahoo.com
98.136.146.254	PTR	unknown-98-136-146-x.yahoo.com