Robtex

Up: 83.166.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.166.64.0/25
Down right: 83.166.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.166.64.1	A+PTR	viggen-feslan.mxtelecom.com
83.166.64.2	A	draken-feslan.mxtelecom.com
83.166.64.6	A+PTR	talon.mxtelecom.com
83.166.64.16	A+PTR	www.mxtelecom.com
83.166.64.16	A	jointheseen.com
83.166.64.16	A	www.mxtelecom.info
83.166.64.17	A+PTR	tngrole2-edc.openmarket.com
83.166.64.18	A+PTR	tngrole1-edc.openmarket.com
83.166.64.18	A	video.mxtelecom.com
83.166.64.19	A+PTR	sms.mxtelecom.com
83.166.64.19	A	www.bluesms.net
83.166.64.19	A	bluesms.net
83.166.64.20	A+PTR	lbs.mxtelecom.com
83.166.64.21	A+PTR	mms.mxtelecom.com
83.166.64.22	A+PTR	lookup.mxtelecom.com
83.166.64.23	A+PTR	ns7.openmarket.com
83.166.64.24	A+PTR	ns8.openmarket.com
83.166.64.25	A+PTR	vpn.mxtelecom.com
83.166.64.26	A+PTR	monitoring-role.mxtelecom.com
83.166.64.27	A+PTR	relay.mxtelecom.com
83.166.64.28	A+PTR	ageverify.mxtelecom.com
83.166.64.29	A	ftp.mxtelecom.com
83.166.64.30	PTR	hostedservice.net
83.166.64.30	A	cmx2.com
83.166.64.30	A	apache.hostedservice.net
83.166.64.33	PTR	matrix.org
83.166.64.36	PTR	vector.im
83.166.64.38	PTR	matrix.to
83.166.64.38	A	www.matrix.to
83.166.64.41	A+PTR	dedi.three.hostedservice.net
83.166.64.42	A+PTR	mxpay.net
83.166.64.43	A+PTR	cta.mxtelecom.com
83.166.64.44	A+PTR	mob.fm
83.166.64.45	A+PTR	threezero.mxtelecom.com
83.166.64.45	A	userinfo.three.hostedservice.net
83.166.64.45	A	appfeed.three.hostedservice.net
83.166.64.46	A+PTR	www.amdocsconnect.com
83.166.64.46	A	amdocsconnect.com
83.166.64.48	A+PTR	noc.mxtelecom.com
83.166.64.49	PTR	mbb-dashboard.three.hostedservice.net
83.166.64.50	A+PTR	three-web2.hostedservice.net
83.166.64.54	PTR	imeiimport.three.hostedservice.net
83.166.64.55	PTR	userinfo.mxtelecom.com
83.166.64.57	A+PTR	mbb.three.hostedservice.net
83.166.64.58	A+PTR	cas-pentest.openmarket.com
83.166.64.59	A+PTR	three-handset-unused.mxtelecom.com
83.166.64.60	PTR	role.virgin.hostedservice.net
83.166.64.61	A+PTR	wwwrole-edc.openmarket.com
83.166.64.61	A	cmx2api.openmarket.com
83.166.64.63	PTR	mms-ldc1.openmarket.com
83.166.64.64	A+PTR	channelislands-vpn.mxtelecom.com
83.166.64.65	A	etendard-old.mxtelecom.com
83.166.64.66	A	rafale.mxtelecom.com
83.166.64.67	A	etendard.mxtelecom.com
83.166.64.72	PTR	checkout-ldc1.openmarket.com
83.166.64.73	A+PTR	operator-ldc1.openmarket.com
83.166.64.75	PTR	location.openmarket.com
83.166.64.79	PTR	regular-giving.openfundraising.hostedservice.net
83.166.64.80	PTR	credit.openmarket.com
83.166.64.81	PTR	haproxy-glow.openmarket.com
83.166.64.82	PTR	checkout-adc1.openmarket.com
83.166.64.87	PTR	logproxy.openmarket.com
83.166.64.89	PTR	operator-adc1.openmarket.com
83.166.64.91	A+PTR	ompay.net
83.166.64.92	A+PTR	ommms.com
83.166.64.93	PTR	haproxy.apps.mxtelecom.com
83.166.64.94	A+PTR	nocrole-edc.openmarket.com
83.166.64.95	PTR	androidsmstester.openmarket.com
83.166.64.114	A+PTR	tigerfish.mxtelecom.com
83.166.64.161	A	viggen.mxtelecom.com
83.166.64.161	A	viggen-router.mxtelecom.com
83.166.64.162	A	draken-router.mxtelecom.com
83.166.64.162	A	draken.mxtelecom.com
83.166.64.204	A	chaff.mxtelecom.com
83.166.64.205	A	flare.mxtelecom.com