Robtex

Up: 98.137.200.0/21
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Down left: 98.137.200.0/23
Down right: 98.137.202.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
98.137.200.2	PTR	unknown-98-137-200-x.yahoo.com
98.137.200.25	PTR	vespagw.locker.vip.bf1.yahoo.com
98.137.200.133	A+PTR	c1a.ah.vip.bf1.yahoo.com
98.137.200.136	PTR	gops.use100.mobstor.vip.bf1.yahoo.com
98.137.200.136	A	ynews.zenfs.com
98.137.200.136	A	ue100uw100.aa.mobstor.a01.yahoodns.net
98.137.200.139	PTR	storage8.flickr.vip.bf1.yahoo.com
98.137.200.190	PTR	unknown-98-137-200-x.yahoo.com
98.137.200.205	A+PTR	beap2.cbs.vip.bf1.yahoo.com
98.137.200.205	A	beap1.cb.a01.yahoodns.net
98.137.200.223	A+PTR	p62.toolbar.bf1.yahoo.com
98.137.200.243	A	any-fp-bcn1.prod.fp.a01.yahoodns.net
98.137.200.243	A	bcn1.prod.fp.vip.bf1.yahoo.com
98.137.200.245	A+PTR	idxd09.ssbe.search.bf1.yahoo.com
98.137.200.247	PTR	unknown-98-137-200-x.yahoo.com
98.137.200.255	PTR	yts1.yql.vip.bf1.yahoo.com
98.137.200.255	A	any-yqlyts-lfb.a05.yahoodns.net
98.137.200.255	A	yqlyts-lfb.g05.yahoodns.net
98.137.201.0	A+PTR	ooradmin.media.verticals.vip.bf1.yahoo.com
98.137.201.2	PTR	www72.flickr.bf1.yahoo.com
98.137.201.22	PTR	www92.flickr.bf1.yahoo.com
98.137.201.23	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.25	PTR	www95.flickr.bf1.yahoo.com
98.137.201.32	PTR	www102.flickr.bf1.yahoo.com
98.137.201.111	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.111	A	web.analytics.yahoo.com
98.137.201.111	A	cinch-ci.org
98.137.201.114	PTR	ws.cap.vip.bf1.yahoo.com
98.137.201.114	A	analyze.yahooapis.com
98.137.201.117	A+PTR	clipart.geo.vip.bf1.yahoo.com
98.137.201.141	PTR	qrsd03.ssbe.search.bf1.yahoo.com
98.137.201.160	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.161	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.162	A+PTR	auto-up-l3.flickr.vip.bf1.yahoo.com
98.137.201.165	PTR	rtr2a.l7.search.vip.bf1.yahoo.com
98.137.201.165	A	fr.toolbar.yahoo.com
98.137.201.165	A	uk.toolbar.yahoo.com
98.137.201.201	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.218	A+PTR	mail1.store.vip.bf1.yahoo.com
98.137.201.219	A+PTR	html1.store.vip.bf1.yahoo.com
98.137.201.220	A+PTR	domdb1.store.vip.bf1.yahoo.com
98.137.201.221	A+PTR	edit1.store.vip.bf1.yahoo.com
98.137.201.221	A	edit.store.yahoo.com
98.137.201.221	A	edit.store.yahoodns.net
98.137.201.222	PTR	img1.store.vip.bf1.yahoo.com
98.137.201.224	PTR	s401.tt.search.bf1.yahoo.com
98.137.201.232	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.232	A	any-cache.internal.query.a06.yahoodns.net
98.137.201.232	A	cricket.yql.yahooapis.com
98.137.201.233	PTR	search1.store.vip.bf1.yahoo.net
98.137.201.237	A+PTR	milter1.store.yahoo.com
98.137.201.245	PTR	qrs.stage.gsm.search.vip.bf1.yahoo.com
98.137.201.246	A+PTR	fe2.intl.search.vip.bf1.yahoo.com
98.137.201.247	A+PTR	ciews.mct.vip.bf1.yahoo.com
98.137.201.248	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.249	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.250	PTR	unknown-98-137-201-x.yahoo.com
98.137.201.251	A+PTR	thumbp28.mail.vip.bf1.yahoo.com
98.137.201.252	PTR	unknown.yahoo.com
98.137.201.252	A	dictionary.search.yahoo.com
98.137.201.252	A	maktoob.video.search.yahoo.com
98.137.201.254	PTR	api-v3.pbp.vip.bf1.yahoo.com
98.137.201.255	PTR	unknown-98-137-201-x.yahoo.com
98.137.202.113	PTR	spbe18.search.bf1.yahoo.com
98.137.202.137	PTR	yhsdown01-bm.yhs.search.bf1.yahoo.com
98.137.202.219	A	app2.yala.bf1.yahoo.com
98.137.202.232	PTR	prd09.gossip.search.bf1.yahoo.com
98.137.202.245	A+PTR	search1.yala.bf1.yahoo.com
98.137.202.248	A+PTR	app1.stage.yala.vip.bf1.yahoo.com
98.137.202.253	PTR	unknown-98-137-202-x.yahoo.com
98.137.202.254	A+PTR	fe101-vm09.qa.profile.bf1.yahoo.com
98.137.203.4	PTR	hw11.fp.bf1.yahoo.com
98.137.203.45	PTR	visualize-01.infra.bf1.yahoo.com
98.137.203.46	PTR	qayts1.l7.search.bf1.yahoo.com
98.137.203.47	PTR	qaats1.l7.search.bf1.yahoo.com
98.137.203.47	A	xa.int.images.search.yahoo.com
98.137.203.47	A	chfr.qa.video.search.yahoo.com
98.137.203.48	A+PTR	ws1.data.bf1.yahoo.com
98.137.203.70	PTR	pprd1-node20-lh1.manhattan.bf1.yahoo.com
98.137.203.70	A	any-fam.data.fy2.b.yahoo.com
98.137.203.70	A	bsav.search.yahoo.com
98.137.203.115	PTR	pprd1-node37.manhattan.bf1.yahoo.com
98.137.203.159	A+PTR	fe100-vm09.qa.profile.bf1.yahoo.com
98.137.203.175	A	twtrcrawler.userloc.bf1.yahoo.com
98.137.203.209	PTR	test54.p.ah.bf1.yahoo.com
98.137.203.229	A+PTR	bf1-lhdruid-005.data.bf1.yahoo.com