Robtex

Up: 72.30.32.0/19
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IP	Type	Hostname
72.30.53.144	PTR	unknown-72-30-53-x.yahoo.com
72.30.53.163	PTR	unknown-72-30-53-x.yahoo.com
72.30.53.208	PTR	unknown-72-30-53-x.yahoo.com
72.30.54.67	A+PTR	po-75.bas-b1.sk1.yahoo.com
72.30.57.16	PTR	unknown-72-30-57-x.yahoo.com
72.30.57.208	PTR	unknown-72-30-57-x.yahoo.com
72.30.57.209	PTR	unknown-72-30-57-x.yahoo.com
72.30.60.2	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.2	A	ha2.po-18.bas-d.sk1.yahoo.com
72.30.60.3	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.16	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.35	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.48	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.65	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.66	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.77	A	ui-26.roles.bf1.yahoo.com
72.30.60.83	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.96	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.97	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.112	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.144	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.146	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.160	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.162	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.177	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.179	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.192	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.194	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.210	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.216	A	ui-05.roles.bf1.yahoo.com
72.30.60.225	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.227	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.240	PTR	unknown-72-30-60-x.yahoo.com
72.30.60.241	PTR	unknown-72-30-60-x.yahoo.com
72.30.62.85	A	pud5058.udb.bf1.yahoo.com
72.30.63.129	PTR	ha1.po-32.bas-d.sk1.yahoo.com
72.30.63.206	A	idx20.splunk.udb.bf1.yahoo.com