Robtex

Up: 66.180.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.180.120.43	PTR	aol.com
66.180.120.43	PTR	connexsystems.com
66.180.120.43	PTR	hotmail.com
66.180.120.170	A	mail.senderoenergy.com
66.180.120.184	PTR	mail.writtendeposition.com
66.180.120.184	A+PTR	66-180-120-184.customerip.birch.net
66.180.120.194	A+PTR	66-180-120-194.customerip.birch.net
66.180.120.194	A+PTR	mail.naturalikelab.com
66.180.120.218	PTR	syndiant.com
66.180.120.218	A+PTR	66-180-120-218.customerip.birch.net
66.180.120.219	PTR	syndiant.com
66.180.120.219	A+PTR	66-180-120-219.customerip.birch.net
66.180.120.220	PTR	syndiant.com
66.180.120.220	A+PTR	66-180-120-220.customerip.birch.net
66.180.120.221	PTR	syndiant.com
66.180.120.221	A+PTR	66-180-120-221.customerip.birch.net
66.180.120.222	PTR	syndiant.com
66.180.120.222	A+PTR	66-180-120-222.customerip.birch.net
66.180.120.243	PTR	usrp.com
66.180.120.243	A+PTR	66-180-120-243.customerip.birch.net
66.180.120.250	A	amok.boomchucka.com
66.180.120.250	A	boomchucka.com
66.180.121.19	A	mail.tqlinc.com
66.180.121.76	PTR	mail.absolutesystems.com
66.180.121.76	PTR	mail.jnb-mybank.com
66.180.121.76	PTR	mail.mybanktexas.com
66.180.121.94	PTR	mail.quicksi.com
66.180.121.94	A+PTR	66-180-121-94.customerip.birch.net
66.180.121.109	A+PTR	66-180-121-109.customerip.birch.net
66.180.121.109	A	mail.woodmont.com
66.180.121.122	A+PTR	66-180-121-122.customerip.birch.net
66.180.121.145	PTR	mail.kckconstruction.com
66.180.121.172	A	mail.texasbreastsurgeons.com
66.180.121.254	PTR	mail.katzenmarshall.com
66.180.122.23	PTR	inmx2.connecture.net
66.180.122.23	A+PTR	66-180-122-23.customerip.birch.net
66.180.122.205	PTR	inmx2.connecture.net
66.180.122.205	A+PTR	66-180-122-205.customerip.birch.net
66.180.123.47	A+PTR	66-180-123-47.customerip.birch.net
66.180.123.47	A	fxdirect.net