Robtex

Up: 72.210.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 72.210.0.0/20
Down right: 72.210.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.210.6.146	A+PTR	atabccab51f8e97.mm.lv.lv.cox.net
72.210.8.244	A+PTR	ata083e0c590f3c.mm.lv.lv.cox.net
72.210.16.111	A	mepengsolutions.com
72.210.16.111	A	mail.mepengsolutions.com
72.210.16.194	A	mail.lefilesconsultingservice.com
72.210.17.3	A+PTR	wsip-72-210-17-3.pn.at.cox.net
72.210.17.3	A	tayterz.com
72.210.17.98	A	exchange.uvuit.com
72.210.17.98	A	mail2.uvuit.us
72.210.17.98	A	mail.ptacpros.com
72.210.17.101	PTR	wsip-72-210-17-101.pn.at.cox.net
72.210.18.5	A+PTR	mail.rceconsulting.com
72.210.18.5	A	rceconsulting.com
72.210.18.54	A+PTR	wsip-72-210-18-54.pn.at.cox.net
72.210.18.54	A	fastautomotivefl.com
72.210.19.135	A	remote.hase-fl.com
72.210.19.135	A	mail.hase-fl.com
72.210.19.236	A+PTR	mail.okaloosatax.com
72.210.20.2	A+PTR	wsip-72-210-20-2.pn.at.cox.net
72.210.20.3	A+PTR	wsip-72-210-20-3.pn.at.cox.net
72.210.20.3	A	bigloadstorage.com
72.210.20.166	A	remote.kingmail.info
72.210.20.166	A	mail.kingmail.info
72.210.20.166	A	kingmail.info
72.210.21.72	A+PTR	destin.fl.doucl.com
72.210.21.201	A	mail.coastalskinsurgery.com
72.210.22.230	A+PTR	wsip-72-210-22-230.pn.at.cox.net
72.210.22.230	A	beargcaccounting.com
72.210.26.11	A	mx3.spa.com
72.210.26.12	A	mx4.spa.com
72.210.26.14	A	www.spa-inc.net
72.210.26.14	A	spa.com
72.210.26.34	PTR	wsip-72-210-26-34.dc.dc.cox.net
72.210.26.34	A	ns3.spa-inc.net
72.210.26.34	A	ns3.spa.com
72.210.26.35	A+PTR	wsip-72-210-26-35.dc.dc.cox.net
72.210.26.35	A	ns4.spa.com
72.210.26.121	A	wsip-72-210-26-121.dc.dc.cox.net
72.210.26.150	A	wsip-72-210-26-150.dc.dc.cox.net
72.210.26.151	A	wsip-72-210-26-151.dc.dc.cox.net
72.210.26.180	A	wsip-72-210-26-180.dc.dc.cox.net
72.210.26.192	A+PTR	wsip-72-210-26-192.dc.dc.cox.net
72.210.26.205	A	wsip-72-210-26-205.dc.dc.cox.net
72.210.26.215	A	wsip-72-210-26-215.dc.dc.cox.net
72.210.26.251	A	webvpn.spa.com
72.210.27.141	A+PTR	wsip-72-210-27-141.rn.hr.cox.net
72.210.27.174	A	share.meridium.com
72.210.27.220	A+PTR	postoffice.meridium.com
72.210.27.220	A	postoffice.reliabilityforsap.com
72.210.27.220	A	postoffice.assetanswers.com
72.210.27.224	A+PTR	ns1.meridium.com
72.210.27.229	A	myspam.meridium.com
72.210.27.237	PTR	www.meridium.com
72.210.27.237	A	assetanswers.com
72.210.27.237	A	*.assetperformancemanagement.com
72.210.27.238	PTR	ns2.meridium.com
72.210.27.250	PTR	wsip-72-210-27-250.rn.hr.cox.net