Robtex

Up: 83.98.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.98.0.0/23
Down right: 83.98.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.98.0.62	PTR	tfm20-dist-3750e-b.ioko.net
83.98.0.67	PTR	rtrb.vl351.i-fns.net
83.98.0.132	A+PTR	gitlab.piksel.com
83.98.0.205	PTR	intyosv06.york.ioko365.com
83.98.0.240	A+PTR	intthsv06.thuk.ioko365.com
83.98.0.241	A+PTR	svn.ioko.com
83.98.0.247	A+PTR	msg2.info-com.com
83.98.0.249	A+PTR	msg3.info-com.com
83.98.0.250	A+PTR	msg4.info-com.com
83.98.1.11	A	intthis01.ioko365.com
83.98.1.12	A	intthis01-12.ioko365.com
83.98.1.13	A+PTR	intthis01-13.ioko365.com
83.98.1.16	PTR	intthnft03.thuk.ioko365.com
83.98.1.20	PTR	pom.piksel.com
83.98.1.20	A	pom.kitd.com
83.98.1.28	PTR	intthgss01.thuk.ioko.com
83.98.1.28	A	glb01.ioko.com
83.98.1.28	A	glb01.piksel.com
83.98.1.29	PTR	ns1.ioko.com
83.98.1.29	A	ns1.kit-digital.com
83.98.1.29	A	ns1.ioko365.com
83.98.1.30	PTR	intthsv08.thuk.ioko365.com
83.98.1.39	A	alerts.national-lottery.co.uk
83.98.1.50	PTR	intthnft01.thuk.ioko.com
83.98.1.60	PTR	inttra.thuk.int.mgtcore.net
83.98.1.60	A	ukconnect.ioko.com
83.98.1.60	A	connect.ioko.com
83.98.1.70	A	myioko365.com
83.98.1.78	PTR	intpconf03.thuk.ioko.com
83.98.1.83	A+PTR	ftp.ioko.com
83.98.1.90	PTR	intthws02.thuk.ioko.com
83.98.1.92	A+PTR	webmail.piksel.com
83.98.1.93	PTR	www.ioko.com
83.98.1.100	A	remedy.ioko.com
83.98.1.100	A	iweb-p1.ioko.com
83.98.1.102	PTR	intthiweb02.thuk.ioko.com
83.98.1.103	A	kaboodle-wiki.kitd.com
83.98.1.114	PTR	projectjira.ioko.com
83.98.1.117	A+PTR	ejira.kit-digital.com
83.98.1.120	A	www.webmail.emea.kit-digital.com
83.98.1.120	A	webmail.kit-digital.com
83.98.1.120	A	www.webmail.kit-digital.com
83.98.1.125	A	pomstage.kitd.com
83.98.1.140	PTR	liqthbt02.thuk.ioko.com
83.98.1.161	A	punchpages.co.uk
83.98.2.156	A+PTR	inside.ioko.com
83.98.2.157	A	guides.ioko.com
83.98.2.180	PTR	connect.ioko.com
83.98.3.3	PTR	tfm20-dist-3750e-b.ioko.net
83.98.3.66	A	smtp2.pret.com
83.98.3.81	A	mail.mwm-consulting.com
83.98.3.84	PTR	mx1.vodco.co.uk
83.98.3.100	A	www.gleneagles.com
83.98.3.100	A	*.gleneaglets.com
83.98.3.100	A	glenmor.gleneagles.com
83.98.3.101	A	glenmor.gleneagles.com
83.98.3.116	A	camelotgroupcareers.co.uk
83.98.3.116	A	nationallotterylondon2012.co.uk
83.98.3.124	A	lotteryretailer.co.uk
83.98.3.139	A	mail.esporta.com
83.98.3.152	A	ncmalocal.com
83.98.3.152	A	searchchildcare.org.uk
83.98.3.152	A	www.ncma.org.uk
83.98.3.156	A	ncmalocal.net
83.98.3.156	A	startingschooltogether.com
83.98.3.161	A	virgin.ff.msf.ioko.com
83.98.3.162	A	playready.msf.ioko.com
83.98.3.166	A	hmvondemand.co
83.98.3.166	A	hmvondemand.com