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Up: 209.191.0.0/17
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Down left: 209.191.64.0/19
Down right: 209.191.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.191.64.0	PTR	unknown-209-191-64-x.yahoo.com
209.191.64.9	A	ae-0.pat2.dcz.yahoo.com
209.191.64.10	A	si-a2.vl29.mud.yahoo.com
209.191.64.35	A	sparestore4.store.mud.yahoo.com
209.191.64.54	A	et-8-0-0.pat2.che.yahoo.com
209.191.64.75	A	ae-8.pat2.dnx.yahoo.com
209.191.64.120	A	ae-1.pat1.dnx.yahoo.com
209.191.64.138	A	bes1-vm1.mgl.mud.yahoo.com
209.191.64.162	A	ae-10.pat2.nyc.yahoo.com
209.191.64.165	A	ae-1.pat2.bfw.yahoo.com
209.191.64.252	A	ae-3.pat1.sjc.yahoo.com
209.191.66.6	A	si-a12.vl30-1.mud.yahoo.com
209.191.66.9	A	hsrp1.si-a9-10.vl30.mud.yahoo.com
209.191.66.17	A	r1-30.dns.mud.yahoo.com
209.191.66.19	A	r3-30.dns.mud.yahoo.com
209.191.66.69	A	html104.store.mud.yahoo.com
209.191.66.79	A	html126.store.mud.yahoo.com
209.191.66.88	A	lib107.store.mud.yahoo.net
209.191.66.103	A	edit114.store.mud.yahoo.com
209.191.66.158	A	edit169.store.mud.yahoo.com
209.191.66.173	A	editproxy102.store.mud.yahoo.com
209.191.66.232	A	html116.store.mud.yahoo.com
209.191.66.234	A	html118.store.mud.yahoo.com
209.191.66.235	A	html119.store.mud.yahoo.com
209.191.66.253	A	csell106.store.mud.yahoo.net
209.191.67.16	A	si-a12.vl30.mud.yahoo.com
209.191.67.50	A	old-lib101.qa.store.mud.yahoo.net
209.191.67.82	A	cud102.sbs.mud.yahoo.com
209.191.67.195	PTR	unknown-209-191-67-x.yahoo.com
209.191.68.9	A	si-a5.v31.mud.yahoo.com
209.191.68.16	A	r0-31.reserved.dns.mud.yahoo.com
209.191.68.39	A	attach-dw.mail.vip.mud.yahoo.com
209.191.68.64	A	f349.mail.vip.mud.yahoo.com
209.191.68.101	A	mta.beta.mail.yahoo.com
209.191.68.219	A	mc1c.mail.vip.mud.yahoo.com
209.191.69.6	A	pop-au.mail.vip.mud.yahoo.com
209.191.69.75	A	mg081.mail.mud.yahoo.com
209.191.70.20	A	dmns2.yahoo.com
209.191.70.21	A	rsvd-dmns-mud.dns.yahoo.com
209.191.70.86	A	sd1-vm3.bb.mud.yahoo.com
209.191.70.96	A	pricrw.vc.search.vip.mud.yahoo.com
209.191.70.165	A	point-vip1.search.vip.mud.yahoo.com
209.191.70.198	A	app1.games.vip.mud.yahoo.com
209.191.70.215	A	any-yqlyts.a01.yahoodns.net
209.191.70.215	A	yqlyts.g01.yahoodns.net
209.191.70.222	A	alpha.news.yahoo.com
209.191.71.40	A	yqlengine.pipes.vip.mud.yahoo.com
209.191.71.40	A	bix.ie
209.191.71.43	A	sc1-vm6.bb.mud.yahoo.com
209.191.71.105	A	yql.rush.pipes.g01.yahoodns.net
209.191.71.196	A	xsltm24.finance.mud.yahoo.com
209.191.71.203	A	xsltm31.finance.mud.yahoo.com
209.191.72.111	A	web80807.mail.mud.yahoo.com
209.191.75.250	A	usautco.com
209.191.75.250	A	awsdlaw.com
209.191.75.250	A	janxlp.com
209.191.76.7	A	slb1.mud.yahoo.com
209.191.76.11	A	ir2.fp.vip.mud.yahoo.com
209.191.76.12	A	ir3.fp.vip.mud.yahoo.com
209.191.78.157	A	te-8-2.fab2-a-gdc.mud.yahoo.com
209.191.78.253	A	fab2-a-gdc.mud.yahoo.com
209.191.80.45	A	c3560-c41.mud.yahoo.com
209.191.80.142	A	c3560-c138.mud.yahoo.com
209.191.80.192	A+PTR	netscaler-c1.mud.yahoo.com
209.191.80.193	A+PTR	netscaler-c2.mud.yahoo.com
209.191.81.81	A	stores1.vibes.data.vip.mud.yahoo.com
209.191.82.103	A	mim.ly
209.191.82.231	A	cap.image.search.vip.mud.yahoo.com
209.191.83.41	A	thm01r1-j2.image.search.mud.yahoo.com
209.191.84.64	A+PTR	smtp2-mob.biz.mail.vip.mud.yahoo.com
209.191.84.72	A	rg1.att.mail.vip.mud.yahoo.com
209.191.84.138	A	as2405.mail.mud.yahoo.com
209.191.84.199	A	web999001.mail.mud.yahoo.com
209.191.84.209	A	as306.access.mail.mud.yahoo.com
209.191.85.1	PTR	unknown-209-191-85-x.yahoo.com
209.191.85.196	A	mta.beta.mail.yahoo.com
209.191.86.5	A	si-c9.vl122.mud.yahoo.com
209.191.86.9	A	si-c1.vl122.mud.yahoo.com
209.191.86.12	A	si-c8.vl122.mud.yahoo.com
209.191.86.52	A	smtp1-y7.mail.vip.mud.yahoo.com
209.191.86.70	A	omp3.mail.mud.yahoo.com
209.191.86.71	A	omp3.mail.mud.yahoo.com
209.191.86.71	A	omp.mail.mud.yahoo.com
209.191.86.73	A	omp3.mail.mud.yahoo.com
209.191.86.73	A	omp.mail.mud.yahoo.com
209.191.86.116	A	f387.mail.vip.mud.yahoo.com
209.191.86.117	A	f388.mail.vip.mud.yahoo.com
209.191.86.134	A	as4807.mail.mud.yahoo.com
209.191.86.170	A	as50b.mail.vip.mud.yahoo.com
209.191.86.235	A	b7.mail.vip.mud.yahoo.com
209.191.87.24	A	f830.mail.vip.mud.yahoo.com
209.191.87.25	A	as43b.mail.vip.mud.yahoo.com
209.191.87.108	A	n9a.bullet.mail.mud.yahoo.com
209.191.87.154	A	b9.mail.yahoo.com
209.191.87.176	A	web914904.mail.mud.yahoo.com
209.191.88.3	PTR	vl-123b.bas-c1.mud.yahoo.com
209.191.88.32	A	rrr7-v3.mail.mud.yahoo.com
209.191.88.65	PTR	unknown-209-191-88-x.yahoo.com
209.191.88.138	A	mr1.mail.vip.mud.yahoo.com
209.191.88.232	A	b6.mail.vip.mud.yahoo.com
209.191.88.239	A	mx1.mail.yahoo.com
209.191.88.247	A	mx4.mail.yahoo.com
209.191.88.254	A	mail.anaturalstep1.com
209.191.89.66	PTR	unknown-209-191-89-x.yahoo.com
209.191.89.67	PTR	unknown-209-191-89-x.yahoo.com
209.191.89.128	PTR	unknown-209-191-89-x.yahoo.com
209.191.89.130	PTR	unknown-209-191-89-x.yahoo.com
209.191.89.131	PTR	unknown-209-191-89-x.yahoo.com
209.191.89.172	A	mta2-f.biz.mail.vip.mud.yahoo.com
209.191.89.172	A	ext-mail4.dot.jo
209.191.89.192	PTR	unknown-209-191-89-x.yahoo.com
209.191.90.1	A	ha1.vl-124.bas-c.mud.yahoo.com
209.191.90.8	A	si-c4.vl124.mud.yahoo.com
209.191.90.9	A	si-c9.vl124.mud.yahoo.com
209.191.90.12	A	si-c8.vl124.mud.yahoo.com
209.191.90.55	A	omp.mail.mud.yahoo.com
209.191.90.56	A	omp.mail.mud.yahoo.com
209.191.90.67	A+PTR	cg900.mail.vip.mud.yahoo.com
209.191.90.96	A	b8-f.mail.vip.mud.yahoo.com
209.191.90.107	A	mail3.yahoo.com
209.191.90.107	A	mail2.yahoo.com
209.191.90.161	A	web616.biz.mail.mud.yahoo.com
209.191.90.172	A	web621.biz.mail.mud.yahoo.com
209.191.90.204	A	infs03.ymdb.mail.mud.yahoo.com
209.191.90.205	A	infs04.ymdb.mail.mud.yahoo.com
209.191.90.237	A	new-nfs37501.mail.mud.yahoo.com
209.191.90.238	A	new-nfs37901.mail.mud.yahoo.com
209.191.91.6	A	beta2.smtp.mail.vip.mud.yahoo.com
209.191.91.77	A	omp3.mail.mud.yahoo.com
209.191.91.77	A	omp.mail.mud.yahoo.com
209.191.91.78	A	omp3.mail.mud.yahoo.com
209.191.91.78	A	omp.mail.mud.yahoo.com
209.191.91.232	A	as100b.mail.vip.mud.yahoo.com
209.191.92.114	A	www.yahoo.sendsmtp.com
209.191.92.114	A	ftp.yahoo.sendsmtp.com
209.191.92.114	A	yahoo.sendsmtp.com
209.191.92.115	A	cname.yahoo.sendsmtp.com
209.191.93.1	PTR	unknown-209-191-93-x.yahoo.com
209.191.93.42	A	ul3.identity.mud.yahoo.com
209.191.93.51	A	address2.pim.vip.mud.yahoo.com
209.191.93.52	A	f1.www.vip.mud.yahoo.com
209.191.93.55	A	ca.preview.yahoo.com
209.191.93.77	A	feeds-facq1.test.media.mud.yahoo.com
209.191.93.81	A	pl-fe1.test.media.mud.yahoo.com
209.191.93.123	A	zcs1.cal.vip.mud.yahoo.com
209.191.94.43	A	f9.ymdb.mud.yahoo.com
209.191.94.64	PTR	unknown-209-191-94-x.yahoo.com
209.191.94.66	A	a2.f9.ymdb.mud.yahoo.com
209.191.94.208	A	up16.ph.mud.yahoo.com
209.191.95.1	A+PTR	ha1.vl-501.bas-c.mud.yahoo.com
209.191.96.1	A+PTR	ha1-vlan125.bas1-1-str.dxs.yahoo.com
209.191.96.2	PTR	ha2.vl-123.bas-1-prd.mud.yahoo.com
209.191.96.6	A	vl123.slb6-1-mud.yahoo.com
209.191.96.20	A	r27.ycpi.mud.yahoo.net
209.191.96.49	A	r28.ycpi.mud.yahoo.net
209.191.96.99	A	r4.ycpi.vip.mud.yahoo.net
209.191.96.106	A	r34.ycpi.mud.yahoo.net
209.191.96.107	A	r35.ycpi.mud.yahoo.net
209.191.96.117	A	r48.ycpi.mud.yahoo.net
209.191.96.160	A	y-3ij2cnt7nkuku-1340665336000.wc.s1.b.yahoo.com
209.191.96.160	A	y-3acskk5708rjd-1343715982992-f.wc.s1.b.yahoo.com
209.191.96.160	A	a244428.wc.s1.b.yahoodns.net
209.191.96.161	A	y-3ij2cnt7nkuku-1340665336000.wc.s1.b.yahoo.com
209.191.96.197	A	in.m.yahoo.com
209.191.96.197	A	mc1221.mail.yahoo.com
209.191.96.197	A	fantasysports.yahoo.com
209.191.96.198	A	in.m.yahoo.com
209.191.96.198	A	mc1221.mail.yahoo.com
209.191.96.198	A	fantasysports.yahoo.com
209.191.96.199	A	in.m.yahoo.com
209.191.96.199	A	mc1221.mail.yahoo.com
209.191.96.199	A	fantasysports.yahoo.com
209.191.96.200	A	in.m.yahoo.com
209.191.96.200	A	mc1221.mail.yahoo.com
209.191.96.200	A	fantasysports.yahoo.com
209.191.97.155	A	biztools.ysm.vip.mud.yahoo.com
209.191.97.163	A	rqcc.ysm.vip.mud.yahoo.com
209.191.97.173	A	wfm1.ysm.vip.mud.yahoo.com
209.191.99.172	A	mud-stgamagt-008.ysm.mud.yahoo.com
209.191.101.5	A	mud-ekw-003.ysm.mud.yahoo.com
209.191.102.218	A	mud-powdbnfs-003.ysm.mud.yahoo.com
209.191.103.0	PTR	unknown-209-191-103-x.yahoo.com
209.191.103.2	PTR	unknown-209-191-103-x.yahoo.com
209.191.103.129	PTR	unknown-209-191-103-x.yahoo.com
209.191.103.130	PTR	unknown-209-191-103-x.yahoo.com
209.191.103.193	PTR	unknown-209-191-103-x.yahoo.com
209.191.104.11	A	csell.beta.store.vip.mud.yahoo.net
209.191.104.88	A	mailforward102.qa.store.mud.yahoo.com
209.191.104.126	A	mailforward102.beta.store.mud.yahoo.com
209.191.104.134	A	order101.beta.store.mud.yahoo.net
209.191.104.150	A	csell102.beta.store.mud.yahoo.net
209.191.104.227	A	oldorder1.beta3.store.vip.mud.yahoo.com
209.191.104.233	A	ysbsqa-automation-rpc3-72114.com
209.191.104.233	A	ysbsqa-automation-rpc3t12m-21397.com
209.191.104.233	A	ysbsqa-automation-rpc1-60488.com
209.191.105.70	A	www8.flickr.mud.yahoo.com
209.191.105.72	A	www10.flickr.mud.yahoo.com
209.191.105.75	A	www13.flickr.mud.yahoo.com
209.191.105.102	A	adjax1.flickr.vip.mud.yahoo.com
209.191.105.177	A	*.flic.kr
209.191.105.177	A	flickr-uno.aycpi.b.yahoodns.net
209.191.105.177	A	www-us.flickr.com
209.191.106.1	A	ha1.vl-132.bas-c.mud.yahoo.com
209.191.106.42	A	nc14.n1.mail.mud.yahoo.com
209.191.106.109	A	any.mg.mail.a1.b.yahoo.com
209.191.106.109	A	mg1c.mail.vip.mud.yahoo.com
209.191.106.129	A	smtp1-br.mail.vip.mud.yahoo.com
209.191.108.106	A	vds-gateway.vertex.vip.mud.yahoo.com
209.191.108.146	A	us3.my.vip.mud.yahoo.com
209.191.108.191	A	pop-star.mail.vip.mud.yahoo.com
209.191.109.44	A	csfeed1.finance.mud.yahoo.com
209.191.109.57	A	qfroot1.test.finance.mud.yahoo.com
209.191.109.151	A	silverberg.org
209.191.110.67	A+PTR	stores2.vibes.data.vip.mud.yahoo.com
209.191.110.91	A	pct.pers.vip.mud.yahoo.com
209.191.110.203	A	fe80.sports.mud.yahoo.com
209.191.110.241	A	fe1.sports.vip.mud.yahoo.com
209.191.111.48	A	fe48.sports.mud.yahoo.com
209.191.111.58	A	fe58.sports.mud.yahoo.com
209.191.111.68	A	fe68.sports.mud.yahoo.com
209.191.111.114	A	admin.mash.vip.mud.yahoo.com
209.191.113.25	A	filer-db01.sorbet.mud.yahoo.com
209.191.114.129	PTR	unknown-209-191-114-x.yahoo.com
209.191.114.254	A	mud-edwnfs-008-admin.ysm.mud.yahoo.com
209.191.118.1	PTR	ha1.vl-254.bas-b-flk.gq1.yahoo.com
209.191.118.102	A	mta-v8-2.mail.vip.mud.yahoo.com
209.191.118.103	A	mx1.mail.yahoo.com
209.191.118.103	A	mx5.mail.yahoo.com
209.191.118.240	A	mta623.mail.mud.yahoo.com
209.191.119.50	A	holtoflowworker118.flickr.mud.yahoo.com
209.191.119.120	A	db289.flickr.mud.yahoo.com
209.191.119.129	A+PTR	dbstats108.flickr.mud.yahoo.com
209.191.119.134	A	pop2.biz.mail.vip.mud.yahoo.com
209.191.119.140	A	dbstats109.flickr.mud.yahoo.com
209.191.119.153	A	omp.mail.mud.yahoo.com
209.191.119.154	A	omp.mail.mud.yahoo.com
209.191.119.163	A	omp.mail.mud.yahoo.com
209.191.119.164	A	omp.mail.mud.yahoo.com
209.191.119.173	A	omp.mail.mud.yahoo.com
209.191.119.174	A	omp.mail.mud.yahoo.com
209.191.119.183	A	omp.mail.mud.yahoo.com
209.191.119.184	A	omp.mail.mud.yahoo.com
209.191.121.26	A	flog2.flickr.mud.yahoo.com
209.191.122.0	PTR	unknown-209-191-122-x.yahoo.com
209.191.122.1	PTR	unknown-209-191-122-x.yahoo.com
209.191.122.1	A	ha1.vl-127.bas-c.mud.yahoo.com
209.191.122.5	A	si-c7.mud.yahoo.com
209.191.122.7	A	si-c3.vl27.mud.yahoo.com
209.191.122.17	A	r1-127.dns.mud.yahoo.com
209.191.122.66	A	vespa.mlk.vip.mud.yahoo.com
209.191.122.82	A	svc.mlk.vip.mud.yahoo.com
209.191.122.104	A	mds1.fp.vip.mud.yahoo.com
209.191.122.131	A+PTR	score1.coke.mud.yahoo.com
209.191.122.132	A	score2.coke.mud.yahoo.com
209.191.122.193	A	h2-127.dns.mud.yahoo.com
209.191.122.195	PTR	unknown-209-191-122-x.yahoo.com
209.191.122.202	A	sld1g1r3.image.search.mud.yahoo.com
209.191.122.208	A	sld1g1r4.image.search.mud.yahoo.com
209.191.122.238	A	score19.coke.mud.yahoo.com
209.191.123.14	A	p1.sports.vip.mud.yahoo.com
209.191.123.83	A	spare-980.mud.yahoo.com
209.191.123.84	A	spare-3050.mud.yahoo.com
209.191.124.69	A	as406.access.mail.mud.yahoo.com
209.191.124.87	A	ymail-v128-res2.mail.mud.yahoo.com
209.191.124.89	A	ymail-v128-res4.mail.mud.yahoo.com
209.191.124.90	A	ymail-v128-res5.mail.mud.yahoo.com
209.191.124.230	A	cx2spa.bkp.mud.yahoo.com
209.191.125.12	A	ias04.mail.mud.yahoo.com
209.191.125.16	A	as5.access.mail.vip.mud.yahoo.com
209.191.125.31	A	d009.lw.mail.mud.yahoo.com
209.191.125.67	PTR	unknown-209-191-125-x.yahoo.com
209.191.125.158	A	tier2nfs3.mud.yahoo.com
209.191.125.181	A	n12c.bullet.mail.mud.yahoo.com
209.191.125.184	A	gxn1.bkp.mud.yahoo.com
209.191.125.191	A	gxn4-b.bkp.mud.yahoo.com
209.191.125.222	A	as45.mail.vip.mud.yahoo.com
209.191.125.242	A	f883.mail.vip.mud.yahoo.com
209.191.126.19	A	r3-129.dns.mud.yahoo.com
209.191.126.34	A	blog.mash.yahoo.com
209.191.126.64	A	rl1.yos.mud.yahoo.com
209.191.126.96	A	stageqr.video.search.vip.mud.yahoo.com
209.191.126.107	A	thm03r4.image.search.mud.yahoo.com
209.191.126.110	A	utopqa3-vm1.mgl.mud.yahoo.com
209.191.126.129	A	thm06r4.image.search.mud.yahoo.com
209.191.126.130	A+PTR	stats1.video.search.vip.mud.yahoo.com
209.191.126.130	A	stats.video.search.yahoo.com
209.191.126.139	A	svespa1.ls.mud.yahoo.com
209.191.126.196	A	a5.ads.mud.yahoo.com
209.191.126.248	A	stats1.video.search.mud.yahoo.com
209.191.127.102	A	thm-image-a04.image.search.vip.mud.yahoo.com
209.191.127.112	A	thm-daily.image.search.vip.mud.yahoo.com
209.191.127.174	A	vespa1.tech.vip.mud.yahoo.com
209.191.127.222	A	n2.bullet.mail.mud.yahoo.com