Robtex

Up: 216.194.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.194.48.0/21
Down right: 216.194.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.194.49.5	A	ns1.its-biz.net
216.194.49.21	A	itsemlgw.its-biz.net
216.194.49.21	A	itsemlgw.infotechfb.com
216.194.49.21	A	mailsrv1.itsmtc.com
216.194.49.76	A	mx.isi-mail.info
216.194.49.85	A	smtp.itsdr.com
216.194.49.92	A	its-gov.com
216.194.49.96	A	mmssvc4.itsdr.com
216.194.50.162	PTR	216-194-50-162.ny.ny.metconnect.net
216.194.50.170	A	mail2.kamsoncorp.com
216.194.50.212	A	mail.harfordbank.com
216.194.51.14	A	smtp.cchnet.net
216.194.51.35	A	webmail.usadiscounters.net
216.194.51.35	A	webmail.usaliving.com
216.194.51.38	A	amx.usadiscounters.net.redcondor.net
216.194.51.38	A	fletchersjewelers.com.mx2.usadiscounters.rcimx.net
216.194.51.51	PTR	216-194-51-51.ny.ny.metconnect.net
216.194.51.51	A	usaliving.com
216.194.51.114	PTR	216-194-51-114.ny.ny.metconnect.net
216.194.51.194	PTR	mail.uici.com
216.194.53.2	PTR	216-194-53-2.ny.ny.metconnect.net
216.194.53.2	A	mail.amfex.net
216.194.53.10	A	mmsdir.mms-usinc.com
216.194.53.19	A	mail.lumlaw.com
216.194.53.60	A	mail.williamlam.com
216.194.53.99	PTR	216-194-53-99.ny.ny.metconnect.net
216.194.53.132	A	mail.christwoodrc.com
216.194.53.180	A	mail.mendhamboro.org
216.194.53.234	A	mail2.pkfus.com
216.194.54.70	A	consulateindia.metconnect.net
216.194.55.66	PTR	216-194-55-66.ny.ny.metconnect.net
216.194.55.66	A	mail.practicalcrm.com
216.194.55.66	A	mail.mobileexec.com
216.194.55.163	PTR	216-194-55-163.ny.ny.metconnect.net
216.194.57.60	PTR	216-194-57-60.ny.ny.metconnect.net
216.194.57.133	A	hostfilter.peakalarm.com
216.194.57.138	A	peakav.net
216.194.57.138	A	peakaudiovideo.net
216.194.57.140	A	peakguard.com
216.194.61.119	PTR	216-194-61-119.ny.ny.metconnect.net
216.194.61.201	A+PTR	ns4.metconnect.net
216.194.62.104	A	achieve-central.com