Robtex

Up: 85.158.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 85.158.140.0/25
Down right: 85.158.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.158.140.4	A	fwapp1.ldn.messagelabs.net
85.158.140.6	PTR	fwapp.ldn.messagelabs.net
85.158.140.7	PTR	unassigned.messagelabs.net
85.158.140.12	A	fwauth1.ldn.messagelabs.net
85.158.140.13	A+PTR	fwauth2.ldn.messagelabs.net
85.158.140.19	PTR	v104.ag2.ld1.uk.messagelabs.net
85.158.140.33	A	i.fwauth.ldn.messagelabs.net
85.158.140.39	A	web-server-1.messagelabs.net
85.158.140.40	PTR	db-server-1.messagelabs.net
85.158.140.43	PTR	mail-parser-1.messagelabs.net
85.158.140.44	A	dns0a.messagelabs.net
85.158.140.45	A+PTR	prtoolsld1001.messagelabs.net
85.158.140.46	A	bb2db2ld1001.messagelabs.net
85.158.140.52	A+PTR	starlabs.messagelabs.net
85.158.140.52	A	mail.starlabs.net
85.158.140.52	A	mail.starlabs.messagelabs.net
85.158.140.60	PTR	unassigned.messagelabs.net
85.158.140.62	PTR	unassigned.messagelabs.net
85.158.140.69	PTR	unassigned.messagelabs.net
85.158.140.77	PTR	unassigned.messagelabs.net
85.158.140.92	PTR	unassigned.messagelabs.net
85.158.140.95	PTR	unassigned.messagelabs.net
85.158.140.100	A	fwops1.ldn.messagelabs.net
85.158.140.105	PTR	unassigned.messagelabs.net
85.158.140.115	PTR	unassigned.messagelabs.net
85.158.140.115	A	mail1.mysrx.com
85.158.140.115	A	mail183.messagelabs.com
85.158.140.119	PTR	unassigned.messagelabs.net
85.158.140.147	PTR	unassigned.messagelabs.net
85.158.140.156	PTR	unassigned.messagelabs.net
85.158.140.164	A+PTR	fw1.s1.messagelabs.net
85.158.140.172	PTR	unassigned.messagelabs.net
85.158.140.172	A	fw1.s5.messagelabs.net
85.158.140.174	A	fw.s5.messagelabs.net
85.158.140.179	A+PTR	mail205.messagelabs.com
85.158.140.179	A	mail2.secontrols.com
85.158.140.179	A	mail2.secontrols.co.uk
85.158.140.183	PTR	unassigned.messagelabs.net
85.158.140.194	PTR	unassigned.messagelabs.net
85.158.140.195	PTR	unassigned.messagelabs.net
85.158.140.195	A	mailserver.studiodare.com
85.158.140.195	A	mx1.fmlogistic.ru
85.158.140.199	PTR	unassigned.messagelabs.net
85.158.140.211	A+PTR	mail194.messagelabs.com
85.158.140.211	A	mailarray1.sipcom.com
85.158.140.211	A	mail.gosub.de
85.158.140.215	PTR	unassigned.messagelabs.net
85.158.140.234	A+PTR	v199.peer-1.rb.messagelabs.net
85.158.140.235	A	v199.peer-2.rb.messagelabs.net
85.158.140.245	PTR	unassigned.messagelabs.net