Robtex

Up: 192.75.70.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.75.71.0/25
Down right: 192.75.71.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.75.71.4	A	ptms.humber.ca
192.75.71.6	A+PTR	smtp.humber.ca
192.75.71.7	A+PTR	megatron.humber.ca
192.75.71.8	A+PTR	optimusprime.humber.ca
192.75.71.9	PTR	gaea.hcnet.ext
192.75.71.10	PTR	cronus.hcnet.ext
192.75.71.11	A	ns1.humber.ca
192.75.71.12	A	ns2.humber.ca
192.75.71.15	A	munro.humber.ca
192.75.71.22	A+PTR	webmeeting.humber.ca
192.75.71.23	PTR	searchtest.humber.ca
192.75.71.23	A	ns3.humber.ca
192.75.71.26	A	srsqa.humber.ca
192.75.71.27	PTR	mycourses.humber.ca
192.75.71.27	A	mycourses-archive.humber.ca
192.75.71.33	A+PTR	ob.humber.ca
192.75.71.39	A	lis.humber.ca
192.75.71.39	A	xenon.humber.ca
192.75.71.40	PTR	srs.humber.ca
192.75.71.43	PTR	login.humber.ca
192.75.71.45	A	its.humber.ca
192.75.71.46	A+PTR	myjira.humber.ca
192.75.71.47	A+PTR	mywiki.humber.ca
192.75.71.47	PTR	www.mywiki.humber.ca
192.75.71.48	PTR	directory.humber.ca
192.75.71.48	PTR	www.directory.humber.ca
192.75.71.49	PTR	argos.humber.ca.humber.ca
192.75.71.49	A	s-www.humber.ca
192.75.71.50	PTR	humberpublishing.ca
192.75.71.50	PTR	mybudget-train.humber.ca
192.75.71.50	PTR	myaccount.humber.ca
192.75.71.54	A+PTR	applied-vcloud.humber.ca
192.75.71.63	A+PTR	myresidence-admin.humber.ca
192.75.71.64	A	esp.humber.ca
192.75.71.64	A	entapps.humber.ca
192.75.71.66	A	nb-ssb-seed.humber.ca
192.75.71.67	A+PTR	intg.humber.ca
192.75.71.67	A+PTR	devl.humber.ca
192.75.71.67	A+PTR	trnp.humber.ca
192.75.71.70	A	np-workflow.humber.ca
192.75.71.73	A+PTR	applied-vcloudrc.humber.ca
192.75.71.74	A+PTR	odc.humber.ca
192.75.71.74	A	ssb.humber.ca
192.75.71.82	PTR	hsfelections.humber.ca
192.75.71.82	PTR	hsfelections-dev.humber.ca
192.75.71.82	PTR	hsfelections-qa.humber.ca
192.75.71.83	A	np-beis.humber.ca
192.75.71.98	A+PTR	cognos.humber.ca
192.75.71.99	PTR	devl-ssb.humber.ca
192.75.71.99	A+PTR	ssb-devl.humber.ca
192.75.71.99	A	myaccess.humber.ca
192.75.71.100	A+PTR	mymealplan.humber.ca
192.75.71.103	A	eagle.humber.ca
192.75.71.108	A	beis.humber.ca
192.75.71.125	A+PTR	login-dev.humber.ca
192.75.71.150	A	ns5.ryerson.ca
192.75.71.166	A	dilbert.humber.ca
192.75.71.169	A+PTR	wally.humber.ca