Robtex

Up: 216.197.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.197.80.0/21
Down right: 216.197.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.197.81.205	A	mail.datacomusa.com
216.197.81.205	A	datacomusa.com
216.197.81.209	A	tempustracker.net
216.197.81.210	A	barracuda.chinagrillmgt.com
216.197.83.13	A	sbc0.stage2.net
216.197.84.11	A	mail2.trashtalkfcm.com
216.197.84.19	A	e.ilaonline.org
216.197.84.157	A	outgoing.rampuptech.net
216.197.85.186	A	mail.privetllc.com
216.197.85.186	A	mail1.privetllc.com
216.197.86.121	A	rome.wsg.com
216.197.86.121	A	bolpwsgwin03.wsg.com
216.197.86.121	A	*.wsg.com
216.197.86.125	PTR	sydney.wsg.com
216.197.86.126	PTR	vegas.wsg.com
216.197.87.4	A	smtp-2.bsibam.com
216.197.87.22	A	mail.somethingdigital.com
216.197.87.25	A	web1.somethingdigital.com
216.197.87.25	A	staging.somethingdigital.com
216.197.87.80	A	remote.consoltech.com
216.197.87.84	A	lyncweb.consoltech.com
216.197.87.84	A	dialin.consoltech.com
216.197.89.2	A+PTR	mail2.rnh.com
216.197.89.4	A	mail.rnh.com
216.197.89.6	A	webmail.rnh.com
216.197.89.13	A	mx.rnhmailer.com
216.197.89.22	PTR	ms03.siftspam.com
216.197.90.243	A	spam.arguscommunity.org
216.197.91.194	A	mail2.msp-dashboard.com
216.197.91.194	A	mail.richterratner.com
216.197.91.202	A	mail.hygrademetal.com
216.197.92.35	A+PTR	sendios2.felixllc.com
216.197.92.35	A	mail.fibrazny.com
216.197.92.36	A	mail.felixllc.com
216.197.92.36	A	tmgs2.felixllc.com
216.197.92.50	PTR	mail01.wyckoffhospital.org
216.197.92.142	A+PTR	outlookbackup.petrocelligroup.com
216.197.93.147	A	hostmaster.nescostume.com
216.197.93.147	A	hostmaster.shipnes.com
216.197.93.147	A	hostmaster.steelnsilver.com
216.197.94.180	A	mx3.ehosting.ca