Robtex

Up: 202.89.120.0/21
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Down left: 202.89.120.0/23
Down right: 202.89.122.0/23

IP	Type	Hostname
202.89.120.2	PTR	unknown-202-89-120-x.yahoo.com
202.89.120.2	A	vl-995.cer1.egloc.corp.yahoo.com
202.89.120.27	PTR	unknown-202-89-120-x.yahoo.com
202.89.121.7	PTR	gi-0-1.tun1.tpcity.corp.yahoo.com
202.89.121.16	A+PTR	corp-nat.tpcity.corp.yahoo.com
202.89.121.17	PTR	vpn-nat.tpcity.corp.yahoo.com
202.89.122.4	PTR	ymon11.se.corp.tw1.yahoo.com
202.89.122.18	A+PTR	ymon2-vm1.se.corp.tw1.yahoo.com
202.89.122.53	A+PTR	tw1-jumphost02.corp.tw1.yahoo.com
202.89.122.54	PTR	tw1-jumphost02.nic2.corp.tw1.yahoo.com
202.89.122.92	PTR	unknown-202-89-122-x.yahoo.com
202.89.122.95	A+PTR	a-vm4.ec.corp.tw1.yahoo.com
202.89.122.115	PTR	unknown-202-89-122-x.yahoo.com
202.89.122.115	A	lvm10.ac.corp.tw1.yahoo.com
202.89.122.176	A	dev118-vm1.se.corp.tw1.yahoo.com
202.89.122.181	A	dev118-vm6.se.corp.tw1.yahoo.com
202.89.123.41	PTR	shared01-vm8.dev.corp.tw1.yahoo.com
202.89.123.77	PTR	dev1-vm6.wretch.corp.tw1.yahoo.com
202.89.123.141	PTR	unknown-202-89-123-x.yahoo.com
202.89.123.167	PTR	dev207-vm4.asb.corp.tw1.yahoo.com
202.89.123.239	A+PTR	dev215-vm6.se.corp.tw1.yahoo.com