Robtex

Up: 72.30.192.0/19
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Down left: 72.30.208.0/21
Down right: 72.30.216.0/21

IP	Type	Hostname
72.30.208.1	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.17	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.19	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.64	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.96	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.112	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.114	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.115	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.128	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.144	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.145	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.160	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.161	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.163	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.176	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.177	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.192	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.195	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.211	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.225	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.227	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.240	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.241	PTR	unknown-72-30-208-x.yahoo.com
72.30.211.202	A	b.dp.yieldmanager.net
72.30.211.203	A	b.dp.yieldmanager.net
72.30.214.71	A	ha7.gi-1-31.bas-1-con.ac2.yahoo.com
72.30.214.73	A	gi-1-31.bas1-1-con.ac2.yahoo.com
72.30.214.129	A	ha1.gi-1-30.bas-1-con.ac2.yahoo.com
72.30.214.130	PTR	unknown-72-30-214-x.yahoo.com
72.30.214.131	A	ha3.gi-1-30.bas-1-con.ac2.yahoo.com
72.30.214.136	A	ha8.gi-1-30.bas-1-con.ac2.yahoo.com
72.30.215.122	A	lt501015.inktomisearch.com
72.30.215.123	A	lt501014.inktomisearch.com
72.30.215.124	A	lt501013.inktomisearch.com
72.30.215.173	A	lt501012.inktomisearch.com
72.30.215.174	A	lt501011.inktomisearch.com
72.30.215.175	A	lt501010.inktomisearch.com
72.30.215.176	A	lt501009.inktomisearch.com
72.30.215.177	A	lt501008.inktomisearch.com
72.30.215.178	A	lt501007.inktomisearch.com
72.30.215.179	A	lt501006.inktomisearch.com
72.30.215.242	PTR	unknown-72-30-215-x.yahoo.com
72.30.216.69	A	ha5.ge-13-39.bas-1-con.ac2.yahoo.com
72.30.220.1	PTR	unknown-72-30-220-x.yahoo.com
72.30.220.232	A	a1.dns.atz.yahoo.com
72.30.222.69	A	ha5.ge-4-1.bas-1-con.ac2.yahoo.com
72.30.222.76	A	ge-4-1.bas4-1-con.ac2.yahoo.com