Robtex

Up: 72.30.192.0/20
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Down left: 72.30.192.0/22
Down right: 72.30.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.30.192.14	A	dmp5008.inktomisearch.com
72.30.192.26	PTR	unknown-72-30-192-x.yahoo.com
72.30.192.34	PTR	unknown-72-30-192-x.yahoo.com
72.30.192.114	PTR	unknown-72-30-192-x.yahoo.com
72.30.192.129	PTR	unknown-72-30-192-x.yahoo.com
72.30.192.137	A	ha4-yst.dns.ac2.yahoo.com
72.30.192.154	A+PTR	ha7-mail.dns.ac4.yahoo.com
72.30.192.158	A	ha3-main.dns.ac4.yahoo.com
72.30.192.176	A	ha5-apx.dns.ac4.yahoo.com
72.30.192.184	A	ha3-grid.dns.ac4.yahoo.com
72.30.192.192	PTR	unknown-72-30-192-x.yahoo.com
72.30.193.57	PTR	unknown-72-30-193-x.yahoo.com
72.30.193.58	PTR	unknown-72-30-193-x.yahoo.com
72.30.193.59	PTR	unknown-72-30-193-x.yahoo.com
72.30.196.1	PTR	unknown-72-30-196-x.yahoo.com
72.30.196.3	PTR	unknown-72-30-196-x.yahoo.com
72.30.196.16	PTR	unknown-72-30-196-x.yahoo.com
72.30.196.42	PTR	preview.fp.bf1.yahoo.com
72.30.196.42	A	preview.es.yahoo.com
72.30.196.80	A+PTR	sender4.onepush.mobile.bf1.yahoo.com
72.30.196.151	A	storage1-l3.flickr.vip.bf1.yahoo.com
72.30.196.151	A	farm1.hv-static.flickr.com
72.30.196.151	A	photos5.flickr.com
72.30.196.152	PTR	storage2-l3.flickr.vip.bf1.yahoo.com
72.30.196.152	A	pxe-farm2.static.flickr.a00.yahoodns.net
72.30.196.152	A	farm2.static.flickr.g00.yahoodns.net
72.30.196.161	PTR	unknown.yahoo.com
72.30.196.161	A	any-ds-comet.yahoo.a01.yahoodns.net
72.30.196.161	A	comet.yahoo.g01.yahoodns.net
72.30.196.188	A	any-au-sayt.ff.search.a1.b.yahoo.com
72.30.196.188	A	uk-sayt.ff.search.yahoo.com
72.30.196.188	A	sea1.gossip.ystg1.b.yahoo.com
72.30.196.227	PTR	unknown-72-30-196-x.yahoo.com
72.30.198.109	A	h384.hlfs.bf1.yahoo.com
72.30.198.116	A	farm8.staticflickr.com
72.30.198.116	A	storage8-l3.flickr.vip.bf1.yahoo.com
72.30.198.116	A	pxe-farm8.static.flickr.a00.yahoodns.net
72.30.198.135	A	mtaq1.groups.a03.yahoodns.net
72.30.198.210	PTR	gops.use11.mobstor.vip.bf1.yahoo.com
72.30.198.210	A	alatheia.zenfs.com
72.30.198.210	A	ue11uw11.aa.zenfs.com
72.30.199.5	A	srv.perf.overture.com
72.30.199.5	A	any-srvov.ysm.yahoodns.net
72.30.199.82	A+PTR	www300.flickr.bf1.yahoo.com
72.30.199.214	A	ws159.progrss.bf1.yahoo.com
72.30.199.216	A+PTR	ws155.progrss.bf1.yahoo.com
72.30.199.228	A	ws124.progrss.bf1.yahoo.com
72.30.199.229	A	ws125.progrss.bf1.yahoo.com
72.30.199.230	A	ws127.progrss.bf1.yahoo.com
72.30.199.231	A	ws128.progrss.bf1.yahoo.com
72.30.199.233	A+PTR	ws130.progrss.bf1.yahoo.com
72.30.199.234	PTR	unknown-72-30-199-x.yahoo.com
72.30.199.234	A	ws126.progrss.bf1.yahoo.com
72.30.199.237	A	ws115.progrss.bf1.yahoo.com
72.30.199.239	A	ws117.progrss.bf1.yahoo.com
72.30.199.252	A	ws118.progrss.bf1.yahoo.com