Robtex

Up: 72.31.10.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.31.11.0/25
Down right: 72.31.11.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.31.11.0	A+PTR	072-031-011-000.res.spectrum.com
72.31.11.0	A	72-31-11-0.net.bhntampa.com
72.31.11.1	PTR	vln97.orld53-dar3.bhn.net
72.31.11.8	A+PTR	072-031-011-008.res.spectrum.com
72.31.11.26	PTR	072-031-011-026.res.spectrum.com
72.31.11.26	A	72-31-11-26.net.bhntampa.com
72.31.11.34	PTR	bh.mdata.com
72.31.11.38	PTR	support.mdata.com
72.31.11.38	A	cdveg.com
72.31.11.38	A	web.rinkersystems.com
72.31.11.40	A	mail.mdata.com
72.31.11.41	A+PTR	mdata.mdata.com
72.31.11.41	A	mdata.com
72.31.11.42	A+PTR	mascfl.mdata.com
72.31.11.50	A+PTR	email400.mdata.com
72.31.11.51	A+PTR	rsi.rinkersystems.com
72.31.11.51	A	www.rinkersystems.com
72.31.11.53	A+PTR	email450.mdata.com
72.31.11.55	A+PTR	rsi.rinkersystems.net
72.31.11.55	A	rinkersystems.net
72.31.11.56	A	rinkerhosting.com
72.31.11.60	A+PTR	ssl-vpn.mdata.com
72.31.11.67	A	vpn.iso-group.com
72.31.11.68	PTR	vpn.iso-group.com
72.31.11.69	PTR	ftp.iso-group.com
72.31.11.69	A	blackwolfsystems.info
72.31.11.69	A	emx-inc.com
72.31.11.76	A+PTR	barracuda.iso-group.com
72.31.11.76	A	mail.iso-components.com
72.31.11.76	A	mail.partstalk.info
72.31.11.83	A+PTR	072-031-011-083.res.spectrum.com
72.31.11.98	PTR	98-11-31-72.biz.bhn.net
72.31.11.101	A+PTR	www.iso-parts.com
72.31.11.101	A	*.iso-parts.com
72.31.11.101	A	iso-parts.com
72.31.11.106	A+PTR	www.partstalk.info
72.31.11.106	A	aristotle.partstalk.info
72.31.11.106	A	socrates.partstalk.info
72.31.11.107	A+PTR	www.iso-components.com
72.31.11.107	A	*.iso-components.com
72.31.11.107	A	iso-components.com
72.31.11.108	A+PTR	www.isocomponents.com
72.31.11.108	A	*.isocomponents.com
72.31.11.108	A	isocomponents.com
72.31.11.109	A	iso-technology.com
72.31.11.109	A	www.iso-technology.com
72.31.11.110	A+PTR	www.endermologie.info
72.31.11.112	A+PTR	072-031-011-112.res.spectrum.com
72.31.11.113	PTR	www.iso-group.com
72.31.11.113	A	*.iso-group.com
72.31.11.113	A	*.isogroup.com
72.31.11.114	PTR	www.gourmet-pet.com
72.31.11.114	A	gourmet-pet.com
72.31.11.115	PTR	115-11-31-72.biz.bhn.net
72.31.11.115	A	netwatch.co
72.31.11.117	A	iso-dlms.com
72.31.11.117	A	www.iso-dlms.com
72.31.11.120	A+PTR	mail.iso-group.com
72.31.11.120	A	mail.gourmet-pet.com
72.31.11.130	PTR	072-031-011-130.res.spectrum.com
72.31.11.130	A	72-31-11-130.net.bhntampa.com
72.31.11.130	A	familiacfc.org
72.31.11.135	PTR	072-031-011-135.res.spectrum.com
72.31.11.135	A	72-31-11-135.net.bhntampa.com
72.31.11.136	A	72-31-11-136.net.bhntampa.com
72.31.11.186	A+PTR	072-031-011-186.res.spectrum.com
72.31.11.228	PTR	072-031-011-228.res.spectrum.com
72.31.11.228	A	72-31-11-228.net.bhntampa.com
72.31.11.228	A	htmsource.com
72.31.11.237	PTR	072-031-011-237.res.spectrum.com
72.31.11.245	A+PTR	072-031-011-245.res.spectrum.com
72.31.11.250	PTR	072-031-011-250.res.spectrum.com
72.31.11.250	A	72-31-11-250.net.bhntampa.com
72.31.11.251	A+PTR	072-031-011-251.res.spectrum.com
72.31.11.255	PTR	072-031-011-255.res.spectrum.com