Robtex

Up: 72.215.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.215.244.0/23
Down right: 72.215.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.215.244.66	A	mail.golfthepoint.com
72.215.244.74	A+PTR	wsip-72-215-244-74.br.br.cox.net
72.215.244.74	A	mail.thewgroupla.net
72.215.244.74	A	mail.effiekling.com
72.215.244.100	A+PTR	wsip-72-215-244-100.br.br.cox.net
72.215.244.100	A	bayoubrushes.com
72.215.244.100	A	gremlinradio.com
72.215.244.233	A	randytrelles.com
72.215.244.233	A	blaineguillotprivatechef.com
72.215.244.233	A	mail.techontherun.com
72.215.244.234	PTR	gzserver.geekzoneonline.com
72.215.245.8	A+PTR	wsip-72-215-245-8.br.br.cox.net
72.215.245.12	A	sitecambr.com
72.215.245.13	A+PTR	wsip-72-215-245-13.br.br.cox.net
72.215.245.20	A+PTR	wsip-72-215-245-20.br.br.cox.net
72.215.245.27	A+PTR	wsip-72-215-245-27.br.br.cox.net
72.215.245.41	A+PTR	wsip-72-215-245-41.br.br.cox.net
72.215.245.42	A+PTR	wsip-72-215-245-42.br.br.cox.net
72.215.245.48	A+PTR	wsip-72-215-245-48.br.br.cox.net
72.215.245.50	A+PTR	wsip-72-215-245-50.br.br.cox.net
72.215.245.54	A+PTR	wsip-72-215-245-54.br.br.cox.net
72.215.245.57	A+PTR	wsip-72-215-245-57.br.br.cox.net
72.215.245.60	A+PTR	wsip-72-215-245-60.br.br.cox.net
72.215.245.78	A+PTR	wsip-72-215-245-78.br.br.cox.net
72.215.245.81	A+PTR	wsip-72-215-245-81.br.br.cox.net
72.215.245.82	A+PTR	wsip-72-215-245-82.br.br.cox.net
72.215.245.85	A+PTR	wsip-72-215-245-85.br.br.cox.net
72.215.245.86	A+PTR	wsip-72-215-245-86.br.br.cox.net
72.215.245.87	A+PTR	wsip-72-215-245-87.br.br.cox.net
72.215.245.93	A+PTR	wsip-72-215-245-93.br.br.cox.net
72.215.245.98	A+PTR	wsip-72-215-245-98.br.br.cox.net
72.215.245.102	A+PTR	wsip-72-215-245-102.br.br.cox.net
72.215.245.105	A+PTR	wsip-72-215-245-105.br.br.cox.net
72.215.245.106	A+PTR	wsip-72-215-245-106.br.br.cox.net
72.215.245.107	A+PTR	wsip-72-215-245-107.br.br.cox.net
72.215.245.108	A+PTR	wsip-72-215-245-108.br.br.cox.net
72.215.245.112	A+PTR	wsip-72-215-245-112.br.br.cox.net
72.215.245.114	A+PTR	wsip-72-215-245-114.br.br.cox.net
72.215.245.116	A+PTR	wsip-72-215-245-116.br.br.cox.net
72.215.245.118	A+PTR	wsip-72-215-245-118.br.br.cox.net
72.215.245.121	A+PTR	wsip-72-215-245-121.br.br.cox.net
72.215.245.122	A+PTR	wsip-72-215-245-122.br.br.cox.net
72.215.245.123	A+PTR	wsip-72-215-245-123.br.br.cox.net
72.215.245.132	A+PTR	wsip-72-215-245-132.br.br.cox.net
72.215.245.134	A+PTR	wsip-72-215-245-134.br.br.cox.net
72.215.245.136	A+PTR	wsip-72-215-245-136.br.br.cox.net
72.215.245.138	A+PTR	wsip-72-215-245-138.br.br.cox.net
72.215.245.142	A+PTR	wsip-72-215-245-142.br.br.cox.net
72.215.245.144	A+PTR	wsip-72-215-245-144.br.br.cox.net
72.215.245.146	A+PTR	wsip-72-215-245-146.br.br.cox.net
72.215.245.148	A+PTR	wsip-72-215-245-148.br.br.cox.net
72.215.245.154	A+PTR	wsip-72-215-245-154.br.br.cox.net
72.215.245.159	A+PTR	wsip-72-215-245-159.br.br.cox.net
72.215.245.164	A+PTR	wsip-72-215-245-164.br.br.cox.net
72.215.245.167	A+PTR	wsip-72-215-245-167.br.br.cox.net
72.215.245.169	A+PTR	wsip-72-215-245-169.br.br.cox.net
72.215.245.171	A+PTR	wsip-72-215-245-171.br.br.cox.net
72.215.245.185	A+PTR	wsip-72-215-245-185.br.br.cox.net
72.215.245.187	A+PTR	wsip-72-215-245-187.br.br.cox.net
72.215.245.193	A+PTR	wsip-72-215-245-193.br.br.cox.net
72.215.245.207	A+PTR	wsip-72-215-245-207.br.br.cox.net
72.215.245.208	A+PTR	wsip-72-215-245-208.br.br.cox.net
72.215.245.210	A+PTR	wsip-72-215-245-210.br.br.cox.net
72.215.245.211	PTR	mail.rewindshop.com
72.215.245.212	A+PTR	wsip-72-215-245-212.br.br.cox.net
72.215.245.214	PTR	wsip-72-215-245-214.br.br.cox.net
72.215.245.214	A	mail.bucherconsulting.com
72.215.245.221	A+PTR	wsip-72-215-245-221.br.br.cox.net
72.215.245.222	A+PTR	wsip-72-215-245-222.br.br.cox.net
72.215.245.224	A+PTR	wsip-72-215-245-224.br.br.cox.net
72.215.245.225	A+PTR	wsip-72-215-245-225.br.br.cox.net
72.215.245.227	A+PTR	wsip-72-215-245-227.br.br.cox.net
72.215.245.228	A+PTR	wsip-72-215-245-228.br.br.cox.net
72.215.245.230	A+PTR	wsip-72-215-245-230.br.br.cox.net
72.215.245.231	A+PTR	wsip-72-215-245-231.br.br.cox.net
72.215.245.233	A+PTR	wsip-72-215-245-233.br.br.cox.net
72.215.245.234	A+PTR	wsip-72-215-245-234.br.br.cox.net
72.215.245.236	A+PTR	wsip-72-215-245-236.br.br.cox.net
72.215.245.239	A+PTR	wsip-72-215-245-239.br.br.cox.net
72.215.245.240	A+PTR	wsip-72-215-245-240.br.br.cox.net
72.215.245.241	A+PTR	wsip-72-215-245-241.br.br.cox.net
72.215.245.248	A+PTR	wsip-72-215-245-248.br.br.cox.net
72.215.245.250	A+PTR	wsip-72-215-245-250.br.br.cox.net
72.215.245.251	A+PTR	wsip-72-215-245-251.br.br.cox.net
72.215.246.8	A+PTR	remote.firstinenterprises.com
72.215.246.8	A	firstinenterprises.com
72.215.246.38	A	renaissancebatonrouge.com
72.215.246.68	A	mail.wwtso.com
72.215.246.131	A+PTR	wsip-72-215-246-131.br.br.cox.net
72.215.246.131	A	mail.ward2water.com
72.215.246.243	A+PTR	wsip-72-215-246-243.br.br.cox.net
72.215.246.243	A	vpn.angelleconcrete.com
72.215.247.19	A	mail.dsmarshal.org
72.215.247.20	A	mail.eriklburnslaw.com
72.215.247.30	A+PTR	wsip-72-215-247-30.br.br.cox.net
72.215.247.30	A	mail.dsmarshal.org
72.215.247.226	A	mail.fayardlaw.com
72.215.247.253	A+PTR	mail.beringerdental.com
72.215.247.253	A	beringerdental.com