Robtex

Up: 83.98.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 83.98.16.0/21
Down right: 83.98.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.98.20.129	PTR	imsthsv05.ioko365.com
83.98.21.97	A	mail.jhoots.co.uk
83.98.21.144	PTR	imspis01.prod.ims.ioko.com
83.98.21.180	A+PTR	signup.securnet.co.uk
83.98.21.181	A+PTR	ukservices.imshealth.com
83.98.21.181	A	securnet.imshealth.com
83.98.21.188	PTR	ftp.emea.imshealth.com
83.98.21.188	A	mail.data-delivery.co.uk
83.98.21.190	PTR	securnet.imshealth.com
83.98.21.192	PTR	acecard.prod.ims.ioko.com
83.98.21.200	A+PTR	mail2.intrapharm.com
83.98.21.200	A	pop.aah-n3.co.uk
83.98.21.200	A	smtp.aah-n3.co.uk
83.98.21.201	PTR	mail1.securnet.co.uk
83.98.21.202	PTR	mail2.securnet.co.uk
83.98.22.209	PTR	imslabts01.thuk.ioko.com
83.98.22.211	PTR	imslabts03.thuk.ioko.com
83.98.23.67	PTR	tfm40-dist-3750-b.ioko.net
83.98.23.70	A+PTR	isp.securnet.co.uk
83.98.23.128	A+PTR	isp-th.securnet.co.uk
83.98.24.1	A	www.barbox.com
83.98.24.10	A	molsoncoorsdirect.com
83.98.24.23	A+PTR	itrpmx01.thuk.ioko.com
83.98.24.28	A	edwarddillondirect.ie
83.98.24.65	A+PTR	mailrelay.gatwickairport.com
83.98.24.67	A	a2w.gatwickairport.com
83.98.24.68	A+PTR	galpreprodatw.thuk.ioko.com
83.98.24.70	A+PTR	galpreprod.thuk.gal.mgtcore.net
83.98.24.73	A	mailrelay.gatwickairport.com
83.98.24.92	A	film.ee.co.uk
83.98.27.53	PTR	mx3.seesaw.com
83.98.27.149	PTR	seesaw.com
83.98.27.173	PTR	mx1.seesaw.com
83.98.27.174	PTR	mx2.seesaw.com
83.98.28.10	PTR	www.channel4.com
83.98.28.10	A	filmfour.net
83.98.28.10	A	filmfourdvd.com
83.98.28.13	PTR	mail.channel4.com
83.98.28.24	A	origin-blogs.channel4.com
83.98.28.25	A	search.channel4.com
83.98.28.27	A	playwhoami.com
83.98.28.36	A	vodapp.grid.channel4.com
83.98.30.9	A+PTR	mowlem.ioko.com
83.98.30.20	A	www.wip.mhra.gov.uk
83.98.30.25	A	www.yorkshirecongenitalhearts.nhs.uk
83.98.30.25	A	awp.nhs.uk
83.98.30.25	A	tamesideandglossop.nhs.uk
83.98.30.38	A	youracumen.net
83.98.30.51	PTR	intclis13.thuk.ioko.com
83.98.30.51	A	netscc.ac.uk
83.98.30.51	A	medman.nhs.uk
83.98.30.66	A	webteam.berkshire.nhs.uk
83.98.30.66	A	centrallondonhealthcare.co.uk
83.98.30.67	A	www.nwreadingccg.nhs.uk
83.98.30.67	A	www.brighterfuturesgwh.nhs.uk
83.98.30.74	A	www.wip.mhra.gov.uk
83.98.30.83	A	www.thh.nhs.uk
83.98.30.83	A	thh.nhs.uk
83.98.30.91	A	ref.management
83.98.30.95	A	haelive.co.uk
83.98.30.102	A	www.bfwh.nhs.uk
83.98.30.102	A	www.bfwhospitals.nhs.uk
83.98.30.102	A	naes.nhs.uk
83.98.30.123	A	podathome.com
83.98.30.124	A	supply2health.nhs.uk
83.98.30.124	A	www.supply2health.nhs.uk
83.98.30.129	A	www.waht.nhs.uk
83.98.30.132	A	syneclin.net
83.98.30.135	A	www.berkshirewestdiabetes.org.uk
83.98.30.136	A	www.berkshirewestccg.nhs.uk
83.98.30.144	A	www.ncchta.org
83.98.30.144	A	www.hta.ac.uk
83.98.30.149	A	combined.nhs.uk
83.98.30.149	A	www.letstalkaboutit.nhs.uk
83.98.30.151	A	netscc.ac.uk
83.98.30.151	A	www.rdtc.nhs.uk
83.98.30.162	A	blueskieshospitalsfund.org.uk
83.98.30.162	A	blueskieshospitalsfund.co.uk
83.98.30.168	A	ellipse2.com
83.98.30.169	A	www.centralmanchesterccg.nhs.uk
83.98.30.176	A	recoverycollege.net
83.98.30.176	A	www.nmhct.nhs.uk
83.98.30.178	A	www.rdtc.nhs.uk
83.98.30.178	A	fitterfyldecoast.nhs.uk