Robtex

Up: 72.30.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 72.30.192.0/19
Down right: 72.30.224.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.30.192.14	A	dmp5008.inktomisearch.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	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
72.30.192.192	PTR	unknown-72-30-192-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
72.30.196.42	A	preview.es.yahoo.com
72.30.196.80	A	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
72.30.198.109	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	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	www300.flickr.bf1.yahoo.com
72.30.199.214	A	ws159.progrss.bf1.yahoo.com
72.30.199.216	A	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
72.30.202.0	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.1	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.3	PTR	vl-122.bas1-11-prd.bf1.yahoo.com
72.30.202.11	A	ve122.slb7-11-prd.bf1.yahoo.com
72.30.202.33	A	pprd3-node227-lh2.manhattan.bf1.yahoo.com
72.30.202.43	A	api-w1.carmot.cp.vip.bf1.yahoo.com
72.30.202.44	A	pprd3-node230-lh1.manhattan.bf1.yahoo.com
72.30.202.64	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.70	A	flp1.local.vip.bf1.yahoo.com
72.30.202.79	A	sm-a1.yimg.com
72.30.202.104	A	zt33392.ostk.bm2.prod.bf1.yahoo.com
72.30.202.107	A	zt33243.ostk.bm2.prod.bf1.yahoo.com
72.30.202.134	A	appstatus-vip.cc.vip.bf1.yahoo.com
72.30.202.134	A	help-appsstatus.cc.a03.yahoodns.net
72.30.202.137	A	any-fam.data.fy2.b.yahoo.com
72.30.202.137	A	b4.data.vip.bf1.yahoo.com
72.30.202.138	A	any-fam.data.fy2.b.yahoo.com
72.30.202.197	A	add1-new.dir.vip.bf1.yahoo.com
72.30.202.240	A	uk-dffe-sports.media.yahoo.com
72.30.202.240	A	fr.cinema.yahoo.com
72.30.202.240	A	nflstream.media.g01.yahoodns.net
72.30.202.247	A	photos5.flickr.com
72.30.202.251	A	fr.cinema.yahoo.com
72.30.203.0	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.2	PTR	ha2.ge-0-45.bas-c.ac2.yahoo.com
72.30.203.4	A	sarniafriendshipcentreyahoo.com
72.30.203.4	A	yahoo-es.de
72.30.203.4	A	golffantasysportsyahoo.com
72.30.203.64	A	gops.usm03.mobstor.vip.bf1.yahoo.com
72.30.203.69	A	intl.image.search.fy3.b.yahoo.com
72.30.203.69	A	ca.images.yahoo.com
72.30.203.69	A	e1.images.search.yahoo.com
72.30.203.138	A	pr85.comet.bf1.yahoo.com
72.30.203.151	A	zt33256.ostk.bm2.prod.bf1.yahoo.com
72.30.203.156	A	pprd3-node206-lh1.manhattan.bf1.yahoo.com
72.30.203.173	A	pprd3-node222-lh2.manhattan.bf1.yahoo.com
72.30.203.192	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.198	A	systemstatus-stage.yahoo.com
72.30.203.199	A	fl.intl.yahoo.com
72.30.203.199	A	image.maps.yahoo.com
72.30.203.199	A	gws2.maps.yahoo.com
72.30.208.1	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.64	PTR	unknown-72-30-208-x.yahoo.com
72.30.208.128	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
72.30.211.202	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
72.30.216.69	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
72.30.225.3	A	ha3.ge-12-5.bas-1-con.ac2.yahoo.com
72.30.226.8	A	ha8.ge-12-1.bas-1-con.ac2.yahoo.com
72.30.226.9	A	ge-12-1.bas1-1-con.ac2.yahoo.com
72.30.226.74	A	ge-13-0.bas2-1-con.ac2.yahoo.com
72.30.227.4	A	ha4.ge-13-34.bas-1-con.ac2.yahoo.com
72.30.229.135	A	ha7.ge-13-24.bas-1-con.ac2.yahoo.com
72.30.229.201	A	ge-13-23.bas1-1-con.ac2.yahoo.com
72.30.230.98	A	rdre1.inktomi.com
72.30.230.98	A	rdre1-e662.inktomi.com
72.30.230.98	A	rdre1.yahoo.com
72.30.230.99	A	rdre1.inktomi.com
72.30.230.99	A	rdre1.yahoo.com
72.30.230.99	A	rdre1-e663.inktomi.com
72.30.231.0	PTR	unknown-72-30-231-x.yahoo.com
72.30.231.64	PTR	unknown-72-30-231-x.yahoo.com
72.30.231.154	A	idpproxy-bling2-e79a.idp.inktomisearch.com
72.30.231.164	A	idpproxy-bling2-e7a4.idp.inktomisearch.com
72.30.231.251	A	dnsac2-e7fb.inktomisearch.com
72.30.233.94	A	slb4-6-prd.bf1.yahoo.com
72.30.234.37	A	mta1332.mail.bf1.yahoo.com
72.30.234.44	A	mta1339.mail.bf1.yahoo.com
72.30.234.49	A	mta1344.mail.bf1.yahoo.com
72.30.234.50	A	mta1345.mail.bf1.yahoo.com
72.30.234.64	A	web184013.mail.bf1.yahoo.com
72.30.234.65	A+PTR	mg206a.mail.vip.bf1.yahoo.com
72.30.234.67	A	mta1399.mail.bf1.yahoo.com
72.30.234.72	A	bs10406.mail.bf1.yahoo.com
72.30.234.134	A	n7-vm8.bullet.mail.bf1.yahoo.com
72.30.234.135	A	n7-vm9.bullet.mail.bf1.yahoo.com
72.30.234.143	A	mg114.mail.bf1.yahoo.com
72.30.234.146	A	n8-vm7.bullet.mail.bf1.yahoo.com
72.30.234.197	A	web184015.mail.bf1.yahoo.com
72.30.234.198	A	nfsbulk10401.mail.bf1.yahoo.com
72.30.234.204	A	ls10229.mail.bf1.yahoo.com
72.30.234.211	A	mta1362.mail.bf1.yahoo.com
72.30.235.1	A+PTR	n8-vm4.bullet.mail.bf1.yahoo.com
72.30.235.2	A+PTR	n8-vm5.bullet.mail.bf1.yahoo.com
72.30.235.3	A+PTR	n8-vm6.bullet.mail.bf1.yahoo.com
72.30.235.5	A	mg119.mail.bf1.yahoo.com
72.30.235.64	A+PTR	t1.bullet.mail.bf1.yahoo.com
72.30.235.65	A+PTR	t2.bullet.mail.bf1.yahoo.com
72.30.235.66	A+PTR	t3.bullet.mail.bf1.yahoo.com
72.30.235.68	A	n8-vm9.bullet.mail.bf1.yahoo.com
72.30.235.128	A+PTR	n7-vm4.bullet.mail.bf1.yahoo.com
72.30.235.129	A+PTR	n7-vm5.bullet.mail.bf1.yahoo.com
72.30.235.130	A+PTR	n7-vm6.bullet.mail.bf1.yahoo.com
72.30.235.131	A+PTR	n7-vm7.bullet.mail.bf1.yahoo.com
72.30.235.192	A+PTR	bs10410.mail.bf1.yahoo.com
72.30.235.196	A	bs10407.mail.bf1.yahoo.com
72.30.235.198	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.199	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.200	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.201	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.202	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.203	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.204	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.205	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.206	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.207	A	newman3.bullet.10025.mail.dns.bf1.yahoo.com
72.30.235.208	A	n2-vm0.bullet.mail.bf1.yahoo.com
72.30.236.15	A	comfortlivingdesign.com
72.30.237.128	A	ls10210.mail.bf1.yahoo.com
72.30.238.72	A	nm35-vm0.bullet.mail.bf1.yahoo.com
72.30.238.74	A	nm35-vm2.bullet.mail.bf1.yahoo.com
72.30.238.75	A	nm35-vm3.bullet.mail.bf1.yahoo.com
72.30.238.77	A	nm35-vm5.bullet.mail.bf1.yahoo.com
72.30.238.133	A	nm33.bullet.mail.bf1.yahoo.com
72.30.238.138	A	nm36-vm2.bullet.mail.bf1.yahoo.com
72.30.238.142	A	nm36-vm6.bullet.mail.bf1.yahoo.com
72.30.238.201	A	nm37-vm1.bullet.mail.bf1.yahoo.com
72.30.238.202	A	nm37-vm2.bullet.mail.bf1.yahoo.com
72.30.238.204	A	nm37-vm4.bullet.mail.bf1.yahoo.com
72.30.238.205	A	nm37-vm5.bullet.mail.bf1.yahoo.com
72.30.239.3	A	ls102122.mail.bf1.yahoo.com
72.30.239.5	A	nm36.bullet.mail.bf1.yahoo.com
72.30.239.6	A	nm34-vm8.bullet.mail.bf1.yahoo.com
72.30.239.9	A	nm31-vm1.bullet.mail.bf1.yahoo.com
72.30.239.70	A	nm36-vm8.bullet.mail.bf1.yahoo.com
72.30.239.77	A	nm34-vm5.bullet.mail.bf1.yahoo.com
72.30.239.79	A	nm34-vm7.bullet.mail.bf1.yahoo.com
72.30.239.84	A	web140716.mail.bf1.yahoo.com
72.30.239.135	A	nm31-vm9.bullet.mail.bf1.yahoo.com
72.30.239.138	A	nm32-vm2.bullet.mail.bf1.yahoo.com
72.30.239.145	A	nm39-vm1.bullet.mail.bf1.yahoo.com
72.30.239.147	A	nm39-vm3.bullet.mail.bf1.yahoo.com
72.30.239.201	A	nm33-vm1.bullet.mail.bf1.yahoo.com
72.30.239.202	A	nm33-vm2.bullet.mail.bf1.yahoo.com
72.30.239.205	A	nm33-vm5.bullet.mail.bf1.yahoo.com
72.30.239.207	A	nm33-vm7.bullet.mail.bf1.yahoo.com
72.30.240.0	PTR	unknown-72-30-240-x.yahoo.com
72.30.240.64	PTR	unknown-72-30-240-x.yahoo.com
72.30.240.128	PTR	unknown-72-30-240-x.yahoo.com
72.30.240.192	PTR	unknown-72-30-240-x.yahoo.com
72.30.241.0	PTR	unknown-72-30-241-x.yahoo.com
72.30.241.64	PTR	unknown-72-30-241-x.yahoo.com
72.30.241.121	A	gssp214n38.ygrid.corp.sp1.yahoo.com
72.30.241.128	PTR	unknown-72-30-241-x.yahoo.com
72.30.241.192	PTR	unknown-72-30-241-x.yahoo.com
72.30.242.30	A	gssp211n11.ygrid.corp.sp1.yahoo.com
72.30.243.244	A	gssp204n33.ygrid.corp.sp1.yahoo.com
72.30.255.7	A	netscaler-f56-snip-v310.ac2.yahoo.com