Robtex

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IP	Type	Hostname
27.123.41.41	PTR	unknown-27-123-41-x.yahoo.com
27.123.41.51	PTR	r2.ycpi.aua.yahoo.net
27.123.41.66	PTR	auadlv01.atlas.cdn.aua.yimg.com
27.123.41.81	PTR	unknown-27-123-41-x.yahoo.com
27.123.41.90	PTR	unknown-27-123-41-x.yahoo.com
27.123.41.127	A	bas1-1.aua.yahoo.com
27.123.41.161	PTR	unknown-27-123-41-x.yahoo.com
27.123.41.232	PTR	unknown-27-123-41-x.yahoo.com
27.123.41.234	PTR	unknown-27-123-41-x.yahoo.com
27.123.42.1	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.2	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.3	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.8	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.9	PTR	unknown.yahoo.com
27.123.42.10	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.11	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.16	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.17	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.18	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.19	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.24	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.25	PTR	unknown.yahoo.com
27.123.42.26	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.32	PTR	unknown.yahoo.com
27.123.42.34	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.35	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.40	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.41	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.42	A+PTR	ns3.yahoo.com
27.123.42.43	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.48	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.49	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.50	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.56	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.57	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.58	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.59	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.64	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.65	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.67	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.72	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.73	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.74	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.75	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.80	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.81	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.82	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.88	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.89	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.90	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.91	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.96	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.98	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.99	PTR	unknown.yahoo.com
27.123.42.104	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.106	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.107	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.112	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.113	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.114	PTR	unknown.yahoo.com
27.123.42.115	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.120	PTR	lo0-v2.pat1.iny.yahoo.com
27.123.42.121	A+PTR	lo0-v2.pat2.iny.yahoo.com
27.123.42.122	PTR	ir-101.pat1.iny.yahoo.com
27.123.42.123	PTR	ir-101.pat2.iny.yahoo.com
27.123.42.130	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.131	PTR	ir-107.pat1.iny.yahoo.com
27.123.42.132	A	ir-107.pat2.iny.yahoo.com
27.123.42.136	PTR	netflow-02.ops.iny.yahoo.com
27.123.42.137	PTR	tool1.ops.iny.yahoo.com
27.123.42.138	PTR	tftp1.ops.iny.yahoo.com
27.123.42.139	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.141	A	admin-hv3.ops.iny.yahoo.com
27.123.42.144	PTR	hv2-ops.dns.iny.yahoo.com
27.123.42.145	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.146	PTR	rv2-ops.dns.iny.yahoo.com
27.123.42.154	A+PTR	netdb-ng-01.infra.iny.yahoo.com
27.123.42.155	PTR	netdb-ng-02.infra.iny.yahoo.com
27.123.42.157	A	netlog1.ops.iny.yahoo.com
27.123.42.160	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.161	PTR	ha1.ir-120.pat.iny.yahoo.com
27.123.42.162	PTR	ha2.ir-120.pat.iny.yahoo.com
27.123.42.163	PTR	ir-120.pat1.iny.yahoo.com
27.123.42.169	PTR	dns-hv2.ops.iny.yahoo.com
27.123.42.171	PTR	yf1a.bkln.iny.yahoo.com
27.123.42.177	PTR	yf1b.bkln.iny.yahoo.com
27.123.42.178	PTR	dns-hv3.ops.iny.yahoo.com
27.123.42.179	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.184	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.185	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.186	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.192	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.193	PTR	ha1.ir-121.pat.iny.yahoo.com
27.123.42.194	A+PTR	ha2.ir-121.pat.iny.yahoo.com
27.123.42.200	A+PTR	e1.ycpi.ina.yahoo.com
27.123.42.200	A	t-cmx708w695.wc.yahoodns.net
27.123.42.200	A	r-t-chufr4zvh5report.wc.yahoodns.net
27.123.42.201	PTR	e2.ycpi.ina.yahoo.com
27.123.42.202	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.204	A	e1-ha.ycpi.ina.yahoo.com
27.123.42.208	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.209	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.210	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.211	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.216	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.217	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.219	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.224	PTR	unknown.yahoo.com
27.123.42.225	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.226	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.227	PTR	unknown.yahoo.com
27.123.42.232	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.233	PTR	unknown.yahoo.com
27.123.42.234	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.240	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.243	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.248	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.249	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.250	PTR	unknown-27-123-42-x.yahoo.com
27.123.42.251	PTR	unknown-27-123-42-x.yahoo.com
27.123.43.200	A	e1.ycpi.inb.yahoo.com
27.123.43.201	PTR	unknown-27-123-43-x.yahoo.com
27.123.43.201	A	e2.ycpi.inb.yahoo.com
27.123.43.204	A	e1-ha.ycpi.inb.yahoo.com
27.123.43.205	A	e2-ha.ycpi.inb.yahoo.com
27.123.43.211	PTR	unknown-27-123-43-x.yahoo.com
27.123.44.51	PTR	unknown-27-123-44-x.yahoo.com
27.123.44.161	PTR	unknown-27-123-44-x.yahoo.com
27.123.45.65	PTR	unknown-27-123-45-x.yahoo.com
27.123.45.144	PTR	unknown-27-123-45-x.yahoo.com