Robtex

Up: 72.30.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.30.200.0/23
Down right: 72.30.202.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
72.30.202.5	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.6	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.9	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.10	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.11	A+PTR	ve122.slb7-11-prd.bf1.yahoo.com
72.30.202.13	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.14	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.15	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.19	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.20	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.21	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.22	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.25	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.26	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.27	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.28	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.30	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.32	PTR	pprd3-node227-lh1.manhattan.bf1.yahoo.com
72.30.202.33	A+PTR	pprd3-node227-lh2.manhattan.bf1.yahoo.com
72.30.202.34	PTR	pprd3-node227-lh3.manhattan.bf1.yahoo.com
72.30.202.35	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.36	PTR	pprd3-node228-lh1.manhattan.bf1.yahoo.com
72.30.202.38	PTR	pprd3-node228-lh3.manhattan.bf1.yahoo.com
72.30.202.40	PTR	pprd3-node229-lh1.manhattan.bf1.yahoo.com
72.30.202.41	PTR	pprd3-node229-lh2.manhattan.bf1.yahoo.com
72.30.202.42	PTR	pprd3-node229-lh3.manhattan.bf1.yahoo.com
72.30.202.43	A+PTR	api-w1.carmot.cp.vip.bf1.yahoo.com
72.30.202.44	A+PTR	pprd3-node230-lh1.manhattan.bf1.yahoo.com
72.30.202.46	PTR	pprd3-node230-lh3.manhattan.bf1.yahoo.com
72.30.202.47	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.48	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.49	A+PTR	pprd3-node231-lh2.manhattan.bf1.yahoo.com
72.30.202.51	PTR	unknown.yahoo.com
72.30.202.51	A	locdrop.query.yahoo.com
72.30.202.51	A	newsdigest-yql.media.g05.yahoodns.net
72.30.202.52	PTR	pprd3-node232-lh1.manhattan.bf1.yahoo.com
72.30.202.53	PTR	pprd3-node232-lh2.manhattan.bf1.yahoo.com
72.30.202.54	A+PTR	pprd3-node232-lh3.manhattan.bf1.yahoo.com
72.30.202.55	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.56	PTR	pprd3-node233-lh1.manhattan.bf1.yahoo.com
72.30.202.62	PTR	pprd3-node234-lh3.manhattan.bf1.yahoo.com
72.30.202.64	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.70	A+PTR	flp1.local.vip.bf1.yahoo.com
72.30.202.71	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.73	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.75	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.76	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.78	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.79	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.79	A	sm-a1.yimg.com
72.30.202.81	PTR	pstg1-node13-lh16.manhattan.bf1.yahoo.com
72.30.202.82	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.83	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.84	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.85	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.93	PTR	bk130.onepush.mobile.bf1.yahoo.com
72.30.202.95	PTR	api49.cloudrepo.mobile.bf1.yahoo.com
72.30.202.97	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.99	PTR	ynodejs-fp1003.prod.fp.bf1.yahoo.com
72.30.202.102	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.103	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.104	A+PTR	zt33392.ostk.bm2.prod.bf1.yahoo.com
72.30.202.105	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.106	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.107	A+PTR	zt33243.ostk.bm2.prod.bf1.yahoo.com
72.30.202.109	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.111	PTR	ynodejs-tdmy22.prod.fp.bf1.yahoo.com
72.30.202.112	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.113	PTR	ynodejs-tdmy16.prod.fp.bf1.yahoo.com
72.30.202.114	A+PTR	fan3.sports.vip.bf1.yahoo.com
72.30.202.114	A	api-rw.fantasysports.yahoo.com
72.30.202.114	A	fo-api-rw-real.fantasysports.a03.yahoodns.net
72.30.202.115	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.115	A	api-rw.fantasysports.yahoo.com
72.30.202.115	A	fo-api-rw-real.fantasysports.a03.yahoodns.net
72.30.202.117	A	pprd3-node202-lh2.manhattan.bf1.yahoo.com
72.30.202.119	PTR	pcache1.stage.ugeo.vip.bf1.yahoo.com
72.30.202.123	PTR	gops.use73.mobstor.vip.bf1.yahoo.com
72.30.202.124	A	pprd3-node204-lh1.manhattan.bf1.yahoo.com
72.30.202.125	A	pprd3-node204-lh2.manhattan.bf1.yahoo.com
72.30.202.126	A	pprd3-node204-lh3.manhattan.bf1.yahoo.com
72.30.202.127	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.134	A+PTR	appstatus-vip.cc.vip.bf1.yahoo.com
72.30.202.134	A	help-appsstatus.cc.a03.yahoodns.net
72.30.202.137	A+PTR	b4.data.vip.bf1.yahoo.com
72.30.202.137	A	any-fam.data.fy2.b.yahoo.com
72.30.202.137	A	bsav.search.yahoo.com
72.30.202.138	A+PTR	b5.data.vip.bf1.yahoo.com
72.30.202.138	A	any-fam.data.fy2.b.yahoo.com
72.30.202.138	A	bsav.search.yahoo.com
72.30.202.139	PTR	ats.sbs.vip.bf1.yahoo.com
72.30.202.142	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.145	A+PTR	ymsthr-25.ops.bf1.yahoo.com
72.30.202.149	A	pgd.adx.vip.bf1.yahoo.com
72.30.202.150	PTR	unknown.yahoo.com
72.30.202.150	A	cms.it.a03.yahoodns.net
72.30.202.150	A	any-spcms-global.pbp.ysm.yahoodns.net
72.30.202.163	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.166	A	pprd3-node236-lh3.manhattan.bf1.yahoo.com
72.30.202.167	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.170	A	pprd3-node237-lh3.manhattan.bf1.yahoo.com
72.30.202.171	PTR	db01.rw.cal.vip.bf1.yahoo.com
72.30.202.174	A	pprd3-node238-lh3.manhattan.bf1.yahoo.com
72.30.202.175	PTR	gops.usm110.mobstor.vip.bf1.yahoo.com
72.30.202.177	A	pprd3-node239-lh2.manhattan.bf1.yahoo.com
72.30.202.179	A+PTR	authoring.vip.adinterax.com
72.30.202.179	A	www.adinterax.com
72.30.202.184	A	pprd3-node241-lh1.manhattan.bf1.yahoo.com
72.30.202.185	A	pprd3-node241-lh2.manhattan.bf1.yahoo.com
72.30.202.187	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.191	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.197	A+PTR	add1-new.dir.vip.bf1.yahoo.com
72.30.202.201	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.219	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.221	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.222	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.223	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.224	PTR	pprd3-node243-lh1.manhattan.bf1.yahoo.com
72.30.202.227	PTR	wk1.hlfs.vip.bf1.yahoo.com
72.30.202.228	PTR	pprd3-node244-lh1.manhattan.bf1.yahoo.com
72.30.202.229	PTR	pprd3-node244-lh2.manhattan.bf1.yahoo.com
72.30.202.231	PTR	opp.store.vip.bf1.yahoo.com
72.30.202.233	PTR	pprd3-node245-lh2.manhattan.bf1.yahoo.com
72.30.202.235	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.236	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.238	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.239	PTR	jackapi-12.ops.vip.bf1.yahoo.com
72.30.202.240	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.240	A	uk-dffe-sports.media.yahoo.com
72.30.202.240	A	fr.cinema.yahoo.com
72.30.202.241	PTR	media-router1.canary.media.vip.bf1.yahoo.com
72.30.202.243	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.244	A+PTR	media-ncache-api1.prod.media.vip.bf1.yahoo.com
72.30.202.246	PTR	media-ncache-api1.canary.media.vip.bf1.yahoo.com
72.30.202.247	PTR	storage1-bf2.flickr.vip.bf1.yahoo.com
72.30.202.247	A	photos17.flickr.com
72.30.202.247	A	photos24.flickr.com
72.30.202.249	PTR	ul-ws.stage.ugeo.vip.bf1.yahoo.com
72.30.202.250	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.251	A+PTR	ats1.fp.vip.bf1.yahoo.com
72.30.202.251	A	fr.cinema.yahoo.com
72.30.202.251	A	in.movies.yahoo.com
72.30.202.254	PTR	unknown-72-30-202-x.yahoo.com
72.30.202.255	PTR	unknown-72-30-202-x.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	PTR	unknown.yahoo.com
72.30.203.4	A	sarniafriendshipcentreyahoo.com
72.30.203.4	A	yahoo-es.de
72.30.203.5	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.6	PTR	unknown.yahoo.com
72.30.203.7	PTR	media-border1.global.media.vip.bf1.yahoo.com
72.30.203.8	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.9	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.10	PTR	slw1.fp.vip.bf1.yahoo.com
72.30.203.11	PTR	sldf1.fp.vip.bf1.yahoo.com
72.30.203.12	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.13	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.14	PTR	in2.us2.msg.vip.bf1.yahoo.com
72.30.203.14	A	vn.insider.msg.yahoo.com
72.30.203.14	A	it.insider.msg.yahoo.com
72.30.203.15	PTR	myc1.us2.msg.vip.bf1.yahoo.com
72.30.203.16	PTR	pprd3-node207-lh1.manhattan.bf1.yahoo.com
72.30.203.17	PTR	pprd3-node207-lh2.manhattan.bf1.yahoo.com
72.30.203.19	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.20	PTR	pprd3-node208-lh1.manhattan.bf1.yahoo.com
72.30.203.21	PTR	pprd3-node208-lh2.manhattan.bf1.yahoo.com
72.30.203.22	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.23	PTR	restews.adx.vip.bf1.yahoo.com
72.30.203.25	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.26	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.28	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.29	A	pprd3-node210-lh2.manhattan.bf1.yahoo.com
72.30.203.31	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.32	A	pprd3-node211-lh1.manhattan.bf1.yahoo.com
72.30.203.33	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.34	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.35	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.36	PTR	pprd3-node212-lh1.manhattan.bf1.yahoo.com
72.30.203.37	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.38	PTR	pprd3-node212-lh3.manhattan.bf1.yahoo.com
72.30.203.39	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.39	A	ui1.psi.vip.bf1.yahoo.com
72.30.203.39	A	ui.payment.yahoo.com
72.30.203.40	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.42	A	pprd3-node213-lh3.manhattan.bf1.yahoo.com
72.30.203.43	PTR	ews1.psi.vip.bf1.yahoo.com
72.30.203.47	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.50	A	pprd3-node215-lh3.manhattan.bf1.yahoo.com
72.30.203.51	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.53	A	pprd3-node216-lh2.manhattan.bf1.yahoo.com
72.30.203.55	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.57	A	pprd3-node217-lh2.manhattan.bf1.yahoo.com
72.30.203.59	PTR	ws1.gamma.progrss.vip.bf1.yahoo.com
72.30.203.63	PTR	ws1.contacts.vip.bf1.yahoo.com
72.30.203.64	A	gops.usm03.mobstor.vip.bf1.yahoo.com
72.30.203.69	A+PTR	int.image.search.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
72.30.203.71	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.91	A	ymsalr-22.ops.bf1.yahoo.com
72.30.203.93	A	ymsthr-21.ops.bf1.yahoo.com
72.30.203.96	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.97	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.98	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.99	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.100	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.101	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.102	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.103	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.104	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.105	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.106	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.107	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.108	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.109	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.110	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.112	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.113	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.114	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.115	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.116	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.117	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.118	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.119	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.120	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.121	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.122	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.123	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.124	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.125	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.126	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.127	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.137	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.138	A+PTR	pr85.comet.bf1.yahoo.com
72.30.203.141	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.142	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.143	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.144	PTR	queue2.crash-mgmt.mep.bf1.yahoo.com
72.30.203.145	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.146	PTR	sender38.onepush.mobile.bf1.yahoo.com
72.30.203.147	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.148	PTR	sender40.onepush.mobile.bf1.yahoo.com
72.30.203.149	PTR	637032.ostk.bm2.prod.bf1.yahoo.com
72.30.203.150	PTR	637071.ostk.bm2.prod.bf1.yahoo.com
72.30.203.151	A+PTR	zt33256.ostk.bm2.prod.bf1.yahoo.com
72.30.203.152	PTR	pprd3-node205-lh1.manhattan.bf1.yahoo.com
72.30.203.154	PTR	pprd3-node205-lh3.manhattan.bf1.yahoo.com
72.30.203.155	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.156	A+PTR	pprd3-node206-lh1.manhattan.bf1.yahoo.com
72.30.203.157	PTR	pprd3-node206-lh2.manhattan.bf1.yahoo.com
72.30.203.158	PTR	pprd3-node206-lh3.manhattan.bf1.yahoo.com
72.30.203.159	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.160	PTR	pprd3-node219-lh1.manhattan.bf1.yahoo.com
72.30.203.162	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.163	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.164	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.165	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.166	PTR	pprd3-node220-lh3.manhattan.bf1.yahoo.com
72.30.203.167	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.169	PTR	pprd3-node221-lh2.manhattan.bf1.yahoo.com
72.30.203.170	PTR	pprd3-node221-lh3.manhattan.bf1.yahoo.com
72.30.203.171	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.172	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.173	A+PTR	pprd3-node222-lh2.manhattan.bf1.yahoo.com
72.30.203.174	PTR	pprd3-node222-lh3.manhattan.bf1.yahoo.com
72.30.203.176	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.177	PTR	pprd3-node223-lh2.manhattan.bf1.yahoo.com
72.30.203.178	A+PTR	pprd3-node223-lh3.manhattan.bf1.yahoo.com
72.30.203.179	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.180	PTR	pprd3-node224-lh1.manhattan.bf1.yahoo.com
72.30.203.181	A+PTR	pprd3-node224-lh2.manhattan.bf1.yahoo.com
72.30.203.182	PTR	pprd3-node224-lh3.manhattan.bf1.yahoo.com
72.30.203.183	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.185	A+PTR	pprd3-node225-lh2.manhattan.bf1.yahoo.com
72.30.203.186	PTR	pprd3-node225-lh3.manhattan.bf1.yahoo.com
72.30.203.187	PTR	notifications.boss.vip.bf1.yahoo.com
72.30.203.188	A+PTR	pprd3-node226-lh1.manhattan.bf1.yahoo.com
72.30.203.189	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.190	PTR	pprd3-node226-lh3.manhattan.bf1.yahoo.com
72.30.203.191	PTR	unknown-72-30-203-x.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	PTR	nws21.maps.vip.bf1.yahoo.com
72.30.203.199	A	fl.intl.yahoo.com
72.30.203.199	A	image.maps.yahoo.com
72.30.203.215	A+PTR	media-router-fp9.canary.media.bf1.yahoo.com
72.30.203.216	PTR	ynodejs-fp1010.prod.fp.bf1.yahoo.com
72.30.203.217	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.218	PTR	ynodejs-tdmy14.prod.fp.bf1.yahoo.com
72.30.203.219	PTR	ynodejs-fp1002.prod.fp.bf1.yahoo.com
72.30.203.220	PTR	media-router-fp11.canary.media.bf1.yahoo.com
72.30.203.221	PTR	ynodejs-fp1008.prod.fp.bf1.yahoo.com
72.30.203.222	PTR	ynodejs-tdmy15.prod.fp.bf1.yahoo.com
72.30.203.223	A+PTR	media-router-fp12.canary.media.bf1.yahoo.com
72.30.203.224	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.224	A	scribe.a03.yahoodns.net
72.30.203.224	A	yuilibrary.com
72.30.203.225	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.226	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.227	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.228	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.229	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.230	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.231	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.232	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.233	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.234	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.235	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.236	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.237	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.238	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.239	PTR	unknown-72-30-203-x.yahoo.com
72.30.203.241	PTR	pstg1-node13-lh2.manhattan.bf1.yahoo.com
72.30.203.243	PTR	pstg1-node13-lh4.manhattan.bf1.yahoo.com
72.30.203.245	PTR	pstg1-node13-lh6.manhattan.bf1.yahoo.com
72.30.203.246	PTR	pstg1-node13-lh7.manhattan.bf1.yahoo.com
72.30.203.247	PTR	pstg1-node13-lh8.manhattan.bf1.yahoo.com
72.30.203.248	PTR	pstg1-node13-lh9.manhattan.bf1.yahoo.com
72.30.203.249	PTR	pstg1-node13-lh10.manhattan.bf1.yahoo.com
72.30.203.250	PTR	pstg1-node13-lh11.manhattan.bf1.yahoo.com
72.30.203.251	PTR	pstg1-node13-lh12.manhattan.bf1.yahoo.com
72.30.203.252	PTR	pstg1-node13-lh13.manhattan.bf1.yahoo.com
72.30.203.253	PTR	pstg1-node13-lh14.manhattan.bf1.yahoo.com
72.30.203.254	A+PTR	pstg1-node13-lh15.manhattan.bf1.yahoo.com
72.30.203.255	PTR	unknown-72-30-203-x.yahoo.com