Robtex

Up: 72.206.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.206.88.0/22
Down right: 72.206.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.206.88.2	A+PTR	wsip-72-206-88-2.sd.sd.cox.net
72.206.88.2	A	mail.smellykat.com
72.206.88.2	A	smellykat.com
72.206.88.3	A	nsnetworking.com
72.206.88.34	A+PTR	wsip-72-206-88-34.sd.sd.cox.net
72.206.88.34	A	mail.precision-ac.com
72.206.88.130	A	peplerosa.com
72.206.88.245	A+PTR	wsip-72-206-88-245.sd.sd.cox.net
72.206.88.245	A	opensourcemakerlabs.com
72.206.89.42	A+PTR	wsip-72-206-89-42.sd.sd.cox.net
72.206.89.42	A	mail.hvkllp.com
72.206.89.50	A	mail.ffsiusa.com
72.206.89.66	A+PTR	wsip-72-206-89-66.sd.sd.cox.net
72.206.89.66	A	8501sanl.com
72.206.89.66	A	bsesecurityservice.com
72.206.89.131	A	mail.icklerelectric.com
72.206.90.28	A+PTR	wsip-72-206-90-28.sd.sd.cox.net
72.206.90.28	A	raysiptv.com
72.206.90.28	A	mail.raysiptv.com
72.206.90.108	A+PTR	wsip-72-206-90-108.sd.sd.cox.net
72.206.90.108	A	regenmassage.com
72.206.90.108	A	regen-massage.com
72.206.90.115	A	mail.sdeinc.com
72.206.90.147	A	mail.619pchelp.com
72.206.90.147	A	mail.lfwebconsulting.com
72.206.90.148	A+PTR	wsip-72-206-90-148.sd.sd.cox.net
72.206.90.149	A	fojs.net
72.206.90.163	A	rnd-link.com
72.206.90.164	A	mail.atlasallied.com
72.206.91.8	A	mailold.teamworkathletic.com
72.206.91.18	A	buynwit.com
72.206.91.104	A	remote.structureswestinc.com
72.206.91.105	A	mail.structureswestinc.com
72.206.91.136	A	ocean.jenmaxfoods.com
72.206.91.233	PTR	imperialgroupsd.com
72.206.92.110	A	wsip-72-206-92-110.sd.sd.cox.net
72.206.93.120	A	0000bc58000000002077.sutusbiz.com
72.206.94.34	PTR	earleys.com
72.206.94.34	A	mail.earleys.com
72.206.94.35	A+PTR	ivdigital.net
72.206.94.35	A	mail.ivdigital.net
72.206.94.36	A+PTR	rebjet.com
72.206.94.37	PTR	natthillesq.com
72.206.94.119	A+PTR	wsip-72-206-94-119.sd.sd.cox.net
72.206.94.119	A	www.alluretotalmgmt.com
72.206.94.119	A	alluretotalmgmt.com
72.206.95.134	A	mail.laserelectric.com