Robtex

Up: 74.6.224.0/21
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IP	Type	Hostname
74.6.224.20	A+PTR	et-4-2-0.pat2.che.yahoo.com
74.6.224.29	A+PTR	et34.bas3-1-edg.cha.yahoo.com
74.6.224.40	A+PTR	et-4-3-1.pat1.che.yahoo.com
74.6.224.49	PTR	unknown-74-6-224-x.yahoo.com
74.6.224.56	PTR	unknown-74-6-224-x.yahoo.com
74.6.224.132	PTR	unknown-74-6-224-x.yahoo.com
74.6.224.144	PTR	unknown-74-6-224-x.yahoo.com
74.6.224.147	PTR	unknown-74-6-224-x.yahoo.com
74.6.224.203	A+PTR	et31.bas1-1-edg.nya.yahoo.com
74.6.224.219	A	et35.bas3-1-edg.nya.yahoo.com
74.6.224.227	A+PTR	et31.bas3-1-edg.nya.yahoo.com
74.6.227.34	A	et-1-0-0.pat1.bfw.yahoo.com
74.6.227.45	PTR	unknown-74-6-227-x.yahoo.com
74.6.227.45	A	et-1-0-0.msr2.bf1.yahoo.com
74.6.227.129	PTR	et-0-0-0.msr1.bf1.yahoo.com