Robtex

Up: 106.10.168.0/21
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Down left: 106.10.168.0/23
Down right: 106.10.170.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
106.10.168.42	A+PTR	mta1010.mail.sg3.yahoo.com
106.10.168.62	A+PTR	mta1030.mail.sg3.yahoo.com
106.10.168.120	PTR	redir.biz.mail.vip.sg3.yahoo.com
106.10.168.120	A	mail.sex2nigth.com
106.10.168.120	A	mail.databinds.com
106.10.168.137	A	mta1041.mail.sg3.yahoo.com
106.10.168.138	A	mta1042.mail.sg3.yahoo.com
106.10.168.157	A	mta1061.mail.sg3.yahoo.com
106.10.168.160	A	mta1064.mail.sg3.yahoo.com
106.10.168.173	A	mta1077.mail.sg3.yahoo.com
106.10.168.193	A	mta1097.mail.sg3.yahoo.com
106.10.168.202	A+PTR	mta1106.mail.sg3.yahoo.com
106.10.168.219	A+PTR	mta1123.mail.sg3.yahoo.com
106.10.168.220	A+PTR	mta1124.mail.sg3.yahoo.com
106.10.169.0	PTR	web193920.mail.sg3.yahoo.com
106.10.169.15	PTR	unknown-106-10-169-x.yahoo.com
106.10.169.15	A	htc.imap.mail.yahoo.com
106.10.169.15	A	imap-ssl.mail.yahoo.com
106.10.169.32	A	vxs192501.mail.sg3.yahoo.com
106.10.169.47	PTR	unknown-106-10-169-x.yahoo.com
106.10.169.47	A	pcm107.mail.sg3.yahoo.com
106.10.169.109	A+PTR	imap13.mail.vip.sg3.yahoo.com
106.10.169.109	A	htc.imap.mail.yahoo.com
106.10.169.109	A	imap-ssl.mail.yahoo.com
106.10.169.110	PTR	nfsbulk10201.mail.sg3.yahoo.com
106.10.169.116	A+PTR	pop-star.mail.vip.sg3.yahoo.com
106.10.169.116	A	pop-star-new.mail.gm0.yahoodns.net
106.10.169.116	A	fo-tw-sg-pop-star-new.mail.gm0.yahoodns.net
106.10.169.125	A	vcs-p-m-y-com-vn.mail.vip.sg3.yahoo.com
106.10.169.126	PTR	unknown-106-10-169-x.yahoo.com
106.10.169.126	A	vcs-p-myc.mail.vip.sg3.yahoo.com
106.10.169.156	PTR	unknown.yahoo.com
106.10.169.156	A	htc.imap.mail.yahoo.com
106.10.169.156	A	imap-ssl.mail.yahoo.com
106.10.169.159	PTR	imap14.mail.vip.sg3.yahoo.com
106.10.169.159	A	htc.imap.mail.yahoo.com
106.10.169.159	A	imap-ssl.mail.yahoo.com
106.10.169.194	A+PTR	imap15.mail.vip.sg3.yahoo.com
106.10.169.194	A	htc.imap.mail.yahoo.com
106.10.169.194	A	imap-ssl.mail.yahoo.com
106.10.169.195	PTR	imap16.mail.vip.sg3.yahoo.com
106.10.169.195	A	htc.imap.mail.yahoo.com
106.10.169.195	A	imap-ssl.mail.yahoo.com
106.10.169.201	A+PTR	ls10056.mail.sg3.yahoo.com
106.10.169.202	A+PTR	ls10057.mail.sg3.yahoo.com
106.10.169.203	A+PTR	ls10058.mail.sg3.yahoo.com
106.10.169.211	A	web193906.mail.sg3.yahoo.com
106.10.169.227	A	pop-tnz.mail.gm0.yahoodns.net
106.10.169.227	A	pop-tnz-new.mail.gm0.yahoodns.net
106.10.169.231	A+PTR	pop1-ssl.tnz.mail.vip.sg3.yahoo.com
106.10.169.231	A	pop3r.tnz.yahoo.com
106.10.169.238	A+PTR	web193806.mail.sg3.yahoo.com
106.10.169.240	A+PTR	web193808.mail.sg3.yahoo.com
106.10.169.254	A+PTR	web193902.mail.sg3.yahoo.com
106.10.170.42	A	sugg.hk.search.yahoo.net
106.10.170.75	A+PTR	order.geo.vip.sg3.yahoo.com
106.10.170.75	A	in.business.yahoo.com
106.10.170.75	A	sg-ord.in.geo.g03.yahoodns.net
106.10.170.118	A+PTR	util2.qa.geo.sg3.yahoo.com
106.10.170.120	PTR	unknown-106-10-170-x.yahoo.com
106.10.170.120	A	csync-bcp.ydn.g01.yahoodns.net
106.10.170.120	A	pprd1-rtr1.manhattan.vip.sg3.yahoo.com
106.10.170.144	PTR	yts.l7.search.vip.sg3.yahoo.com
106.10.170.144	A	yhs4.search.yahoo.com
106.10.170.144	A	br.yhs4.search.yahoo.com
106.10.170.150	PTR	unknown-106-10-170-x.yahoo.com
106.10.170.150	A	dictionary.search.yahoo.com
106.10.170.150	A	maktoob.video.search.yahoo.com
106.10.170.153	PTR	unknown-106-10-170-x.yahoo.com
106.10.170.153	A	sdarla.gapx.yahoodns.net
106.10.170.155	PTR	mg61.mail.vip.sg3.yahoo.com
106.10.170.155	A	leizel.mg.mail.yahoo.com
106.10.170.155	A	global.mg.mail.gm0.yahoodns.net
106.10.170.212	PTR	reth0.ptn12.sg3.yahoo.com
106.10.170.212	A	ptn12.sg3.yahoo.com
106.10.171.0	PTR	unknown-106-10-171-x.yahoo.com
106.10.171.80	PTR	fe.intl.yhs.search.vip.sg3.yahoo.com
106.10.171.80	A	yhs4sea.search.ystg1.b.yahoo.com
106.10.171.108	PTR	unknown.yahoo.com
106.10.171.108	A	openapis.login.g01.yahoodns.net
106.10.171.157	A+PTR	api03.shop.vis.sg3.yahoo.com
106.10.171.188	PTR	int.img.search.vip.sg3.yahoo.com
106.10.171.188	A	apac-sg.img.search.ystg1.b.yahoo.com
106.10.171.188	A	id.images.search.yahoo.com
106.10.171.230	PTR	e3.member.vip.sg3.yahoo.com