Robtex

Up: 72.250.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.250.216.0/23
Down right: 72.250.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.250.216.3	PTR	remote.itkinetics.com
72.250.216.51	A	oooald.org
72.250.216.146	A	smtp.ipson.us
72.250.216.146	A	ipson.us
72.250.216.146	A	*.ipson.us
72.250.216.184	A	mail.alertutah.com
72.250.216.211	PTR	mail.omegatraining.com
72.250.216.211	A	brokaw.net
72.250.216.211	A	mail.saltlake.net
72.250.217.3	A+PTR	remote.cmeslc.com
72.250.217.5	PTR	ut5-217.dsl.relia.net
72.250.217.5	A	spamtitan.cmeslc.com
72.250.217.83	PTR	ut83-217.dsl.relia.net
72.250.217.83	A	canyonstorm.com
72.250.217.146	PTR	ut146-217.dsl.relia.net
72.250.218.4	A	mx1.mcgreen.net
72.250.218.86	A	secure-practiceperfect.com
72.250.218.114	PTR	www.raceentry.com
72.250.218.114	A	*.fastrunningblog.com
72.250.218.114	A	www.sashanet.com
72.250.218.116	A	smtp.ishpeck.net
72.250.218.116	A	mail.anticommentist.org
72.250.218.116	A	mail.ishpeck.com
72.250.218.146	A	okelberrytrucking.com
72.250.218.147	PTR	mail.okelberrytrucking.com
72.250.218.147	A	hufftrucking.com
72.250.218.164	A	mail.arlingtonscientific.com
72.250.218.165	PTR	mail.zummix.com
72.250.218.166	A	okelberrytrucking.com
72.250.218.166	A	ekutah.com
72.250.218.166	A	mail.okelberrytrucking.com
72.250.218.168	A	mail.netpoint.us
72.250.218.188	A	mail.wasatchlighting.com
72.250.218.228	PTR	baerbronze.com
72.250.219.34	A+PTR	mail.americanenviroinc.com
72.250.219.35	A+PTR	mail.shepherdeggs.com
72.250.219.36	A	clearwaterfarms.com
72.250.219.51	PTR	siglers.net
72.250.219.51	A	westjordanlutherans.org
72.250.219.51	A	wildflower-photographer.com
72.250.219.53	A	dominologic.com
72.250.219.53	A	hardwaredb.com
72.250.219.53	A	ansibleoptics.com
72.250.219.84	A	sangerhigh66.com
72.250.219.84	A	schroeppel.name
72.250.219.84	A	woodlandquartet.com
72.250.219.162	A	mail.snelsonphotolab.com
72.250.219.162	A	snelsonphotolab.com
72.250.219.162	A	snelsonroes.com
72.250.219.163	A	snelsonroes.com