Robtex

Up: 121.101.144.0/23
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Down left: 121.101.144.0/25
Down right: 121.101.144.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.101.144.0	PTR	unknown-121-101-144-x.yahoo.com
121.101.144.1	A	ha1.vl-120.bas-1-edg.hka.yahoo.com
121.101.144.8	A+PTR	l1.ycs.vip.hka.yahoo.com
121.101.144.91	PTR	unknown-121-101-144-x.yahoo.com
121.101.144.96	PTR	unknown-121-101-144-x.yahoo.com
121.101.144.96	A	*.m2t9.bkln.wc.s1.b.yahoodns.net
121.101.144.96	A	y-3hbh6mt7ht66q-1333265189494.wc.s1.b.yahoo.com
121.101.144.97	PTR	unknown-121-101-144-x.yahoo.com
121.101.144.97	A	*.m2t9.bkln.wc.s1.b.yahoodns.net
121.101.144.97	A	y-3hbh6mt7ht66q-1333265189494.wc.s1.b.yahoo.com
121.101.144.107	A+PTR	r12.ycpi.hka.yahoo.net
121.101.144.112	PTR	unknown.yahoo.com
121.101.144.112	A	fo-hki-ycpi-uno.gycpi.b.yahoodns.net
121.101.144.112	A	mc1255.mail.yahoo.com
121.101.144.116	A+PTR	r2.ycpi.vip.hka.yahoo.net
121.101.144.116	A	fo-hki-ycpi-uno.gycpi.b.yahoodns.net
121.101.144.116	A	mc1255.mail.yahoo.com
121.101.144.139	A+PTR	ns6.yahoo.com
121.101.144.229	PTR	unknown-121-101-144-x.yahoo.com
121.101.144.232	PTR	unknown-121-101-144-x.yahoo.com