Robtex

Up: 217.68.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.68.16.0/23
Down right: 217.68.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.68.16.2	A	mx2.kpmgmgmt.com
217.68.16.36	A+PTR	mx.iammoving.com
217.68.16.40	A+PTR	www.iammoving.com
217.68.16.40	A	iammoving.com
217.68.16.42	A	www.utilitell.com
217.68.16.42	A	utilitell.com
217.68.16.44	A+PTR	www.energyswitching.com
217.68.16.44	A	xelector.com
217.68.16.44	A	energyswitching.com
217.68.16.50	A	test.iammoving.com
217.68.16.106	A+PTR	mx1.kpmgmgmt.com
217.68.16.106	A	kpmgmgmt.com
217.68.16.118	A	com.litmuslink.com
217.68.16.118	A	*.litmuslink.com
217.68.16.118	A	www.com.litmuslink.com
217.68.16.134	A	jobs.g4s.com
217.68.16.141	A	hifxjobs.com
217.68.16.141	A	hifxjobs.co.uk
217.68.16.143	A	southernrailwaycareers.com
217.68.16.145	A	www.bacityflyerjobs.com
217.68.16.145	A	bacityflyerjobs.com
217.68.16.160	A	gtrcareers.com
217.68.16.176	A	jobs.onr.org.uk
217.68.16.177	A	ocsjobs.co.uk
217.68.16.189	A	ocsjobs.recruitactive.com
217.68.16.189	A	mcnicholas.recruitactive.com
217.68.16.189	A	derby.recruitactive.com
217.68.16.190	A	mailserver9.konetic.net
217.68.16.191	PTR	mailserver10.konetic.net
217.68.16.206	A	mail.atlantisworld.com
217.68.17.121	PTR	ge-104-0-10.dis04.ld8.eu.equinix.net
217.68.17.122	PTR	mail.wdpcupid.com
217.68.17.123	PTR	mail.wdpcupid.com
217.68.18.69	PTR	jig.novator.com
217.68.18.74	PTR	ns3.novator.com
217.68.18.75	PTR	www.interflora.co.uk
217.68.18.95	PTR	95.lon.novator.com
217.68.18.116	PTR	116.lon.novator.com
217.68.19.54	A	vibris.com
217.68.19.54	A	uniport.co.uk
217.68.19.54	A	www.vibris.com
217.68.19.62	PTR	carina.uniport.co.uk
217.68.19.62	A	mail2.uniport.co.uk
217.68.19.71	A	nationalpostcodelottery.com
217.68.19.71	A	postcodelottery.nl
217.68.19.103	PTR	mail3.gifford.uk.com
217.68.19.132	PTR	stoneshot.com
217.68.19.132	A	stoneshot.co.uk
217.68.19.132	A	thanksgivinginvestmentforum.com
217.68.19.133	PTR	stoneshot.com
217.68.19.134	PTR	stoneshot.com
217.68.19.137	A	services.invescoperpetual.co.uk
217.68.19.138	A	stonegear.com
217.68.19.138	A	www.stonegear.com
217.68.19.141	A+PTR	bounce.stoneshot.com
217.68.19.142	PTR	mail.stoneshot.com
217.68.19.142	A	mail.mail-unicornam.com
217.68.19.142	A	mail.allianzgi-conferencecalls.com
217.68.19.143	PTR	mail04.stoneshot.com
217.68.19.145	A+PTR	mail06.stoneshot.com
217.68.19.148	A+PTR	mail08.stoneshot.com
217.68.19.149	A+PTR	mail09.stoneshot.com
217.68.19.163	A+PTR	mta04.ldn.stoneshot.com
217.68.19.163	A	mail.stonegear.com
217.68.19.177	A	quilter-pca.com
217.68.19.220	A	www.stonegear.com
217.68.19.250	A+PTR	smtp01.stoneshot.com