Robtex

Up: 80.79.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.79.132.0/23
Down right: 80.79.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.79.132.18	A	hex-sql01-enl.fs-server.com
80.79.132.19	PTR	post.firstserv.co.uk
80.79.132.19	A	oslo.firstserv.co.uk
80.79.132.19	A	mail.onlinelanguage.org
80.79.132.20	PTR	bonn.firstserv.com
80.79.132.20	A	mail.firstserv.com
80.79.132.20	A	post1.firstserv.co.uk
80.79.132.21	A+PTR	paris.firstserv.co.uk
80.79.132.24	PTR	www.superfi.co.uk
80.79.132.25	A+PTR	www.superfi.eu.com
80.79.132.25	A	superfi.eu.com
80.79.132.41	A+PTR	helsinki.firstserv.com
80.79.132.60	A+PTR	lisbon.firstserv.com
80.79.132.60	A	rfitt.co.uk
80.79.132.60	A	mailgate.olympus-sia.com
80.79.132.61	PTR	lisbon.firstserv.com
80.79.132.61	A	remotevisualinspection.com
80.79.132.71	PTR	lisbon.firstserv.com
80.79.132.71	A	draftspace.co.uk
80.79.132.80	PTR	milan.firstserv.com
80.79.132.80	A	coldfusionmx.info
80.79.132.80	A	coldfusionmx.biz
80.79.132.81	PTR	milan.firstserv.com
80.79.132.81	A	eastlingwines.co.uk
80.79.132.82	PTR	milan.firstserv.com
80.79.132.90	A+PTR	milan.firstserv.com
80.79.132.110	PTR	munich.firstserv.com
80.79.132.110	A	mail.westminsterarts.co.uk
80.79.132.110	A	mail.locatewills.net
80.79.132.120	A+PTR	prague.firstserv.com
80.79.132.120	A	nutrishield.co.uk
80.79.132.120	A	mail.thinkjersey.co.uk
80.79.132.130	A	recruitment-torecruitment.com
80.79.132.130	A	mercuryfilms.co.uk
80.79.132.130	A	vffm.co.uk
80.79.132.170	PTR	munich.firstserv.com
80.79.132.170	A	gloverdaniels.co.uk
80.79.132.170	A	mail.angelaeast.co.uk
80.79.132.175	A+PTR	bonn.firstserv.com
80.79.132.175	A	ibisconsult.co.uk
80.79.132.175	A	www.conductfile.com
80.79.132.176	PTR	bonn.firstserv.com
80.79.132.177	PTR	bonn.firstserv.com
80.79.132.178	A	patgallagher.com
80.79.132.178	A	mail.drpaulclayton.com
80.79.132.203	A	flashcomms.firstserv.com
80.79.132.211	PTR	munich.firstserv.com
80.79.132.211	A	lindafrippdesigns.com
80.79.132.211	A	lindafrippdesigns.co.uk
80.79.132.243	A+PTR	munich.firstserv.com
80.79.133.1	PTR	geneva.firstserv.com
80.79.133.1	A	mail-cty.kinetic-partners.com
80.79.133.1	A	mail.tiltspace.com
80.79.133.33	A	zurich.firstserv.com
80.79.134.70	A	remote-management.bdrgroup.co.uk
80.79.135.136	A	www.cms-computers.co.uk
80.79.135.136	A	www.stormforcegaming.co.uk
80.79.135.136	A	www.vip-tech.co.uk
80.79.135.244	A	www.denzapine.ie
80.79.135.244	A	denzapine.ie