Robtex

Up: 66.245.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.245.160.0/25
Down right: 66.245.160.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.245.160.6	PTR	vpngw.itsnyc.us
66.245.160.10	PTR	ns1.itsnyc.us
66.245.160.11	PTR	ns2.itsnyc.us
66.245.160.14	A	smtpgateway.itsnyc.us
66.245.160.17	A+PTR	ddbrappsp.itsnyc.us
66.245.160.21	A+PTR	people.omnicomgroup.com
66.245.160.43	A	share.robertsandtarlow.com
66.245.160.81	A	ddbcorporate.com
66.245.160.81	A	ddbhr.com
66.245.160.81	A	ddbdata.com
66.245.160.86	A	internaldns.omnicomlink.com
66.245.160.97	A	omgcat.omnicomlink.com
66.245.160.113	A	mail.itsnyc.us
66.245.160.133	A+PTR	itsftp.itsnyc.us
66.245.160.134	A	ftp.robertsandtarlow.com
66.245.160.138	PTR	spikeddb.com
66.245.160.139	A	omnicomfx.omnicomgroup.com
66.245.160.144	A	sas.omnicomgroup.com
66.245.160.150	A	ddb-newyork.com
66.245.160.151	A+PTR	filexchange.ny.ddb.com
66.245.160.151	A	101.90.27.in-addr.arpa
66.245.160.152	PTR	www.survey.ddbit.com
66.245.160.152	A	ddbuniversity.com
66.245.160.171	A	mail.omnicomgroup.com
66.245.160.171	A	omnicas1.omnicomgroup.com
66.245.160.172	A	omnihub1.omnicomgroup.com
66.245.160.175	A	support.itsnyc.us
66.245.160.184	PTR	leasingimages.omctreasury.com
66.245.160.184	PTR	onbaseweb.omctreasury.com
66.245.160.201	A	oliverpassword.omnicomgroup.com
66.245.160.204	A+PTR	itssp.itsnyc.us
66.245.160.205	A	*.1bigfile.com
66.245.160.212	A	ddbfilexchange.com
66.245.160.235	A+PTR	mail1.itsnyc.us
66.245.160.235	A	mail.ny.ddb.com
66.245.160.240	A	advertisingweek.omnicomgroup.com
66.245.160.242	A+PTR	hrbshare.ny.ddb.com