Robtex

Up: 198.160.252.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.160.253.0/25
Down right: 198.160.253.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.160.253.18	A+PTR	mail.degrava.com
198.160.253.18	PTR	mail.iqueueworkflow.com
198.160.253.18	A+PTR	mail.xante.com
198.160.253.21	A+PTR	mx.xante.com
198.160.253.36	A	mx2.xante.com
198.160.253.37	A	mail1.xante.net
198.160.253.38	A	mx.xante.net
198.160.253.40	PTR	excelagraphix.com
198.160.253.40	PTR	liveprinterdemo.com
198.160.253.40	PTR	www.excelagraphix.com
198.160.253.41	PTR	www.xante.com
198.160.253.49	A+PTR	buy.xante.com
198.160.253.49	PTR	www.buy.xante.com
198.160.253.51	A+PTR	mail.pointclear.net
198.160.253.51	A+PTR	ns.pointclear.net
198.160.253.51	A	pointclear.net
198.160.253.52	PTR	pcread.net
198.160.253.52	PTR	mail.pcread.net
198.160.253.100	A+PTR	xanteusa.com
198.160.253.200	A+PTR	rossb-xp.xante.com