Robtex

Up: 72.232.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.232.47.0/25
Down right: 72.232.47.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.232.47.2	A+PTR	2.47.232.72.static.reverse.ltdomains.com
72.232.47.52	PTR	k-thx.com
72.232.47.54	PTR	sotf.org
72.232.47.63	A	63.47.232.72.static.reverse.ltdomains.com
72.232.47.77	A	77.47.232.72.static.reverse.ltdomains.com
72.232.47.98	PTR	one.daemonz.net
72.232.47.98	A	mail.natherfamily.com
72.232.47.106	A	artanis.usenet.net.nz
72.232.47.106	A	ns2.timecontinuum.net
72.232.47.146	A	146.47.232.72.static.reverse.ltdomains.com
72.232.47.147	PTR	147.47.232.72.static.reverse.ltdomains.com
72.232.47.166	A+PTR	166.47.232.72.static.reverse.ltdomains.com
72.232.47.170	A	amchamvn.com
72.232.47.171	A	mail.gofeedracer.com
72.232.47.173	PTR	173.47.232.72.static.reverse.ltdomains.com
72.232.47.173	A	mail.crimeindc.org
72.232.47.173	A	crimeindc.org
72.232.47.174	PTR	174.47.232.72.static.reverse.ltdomains.com
72.232.47.174	A	amchamhochiminh.org
72.232.47.174	A	mail.herbcochran.com
72.232.47.194	PTR	194.47.232.72.static.reverse.ltdomains.com
72.232.47.234	A	dclhosting.net
72.232.47.237	A	cervantes.dclhosting.net