Robtex

Up: 192.139.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.139.30.0/25
Down right: 192.139.30.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.139.30.2	A	www.finearts.gprc.ab.ca
192.139.30.2	A	users.finearts.gprc.ab.ca
192.139.30.6	A	www2.gprc.ab.ca
192.139.30.6	A	gprcstudents.net
192.139.30.7	A+PTR	fad.gprc.ca
192.139.30.7	PTR	fad.gprc.ab.ca
192.139.30.7	A	alvis.gprc.ab.ca
192.139.30.8	A	rd.gprc.ab.ca
192.139.30.10	A+PTR	bridgit.gprc.ab.ca
192.139.30.13	A	thenbdc.ca
192.139.30.13	A	thecri.ca
192.139.30.31	A	fad.gprc.ab.ca
192.139.30.33	PTR	fs.gprc.ab.ca
192.139.30.33	A+PTR	ns3.gprc.ab.ca
192.139.30.33	A	ns.gprc.ab.ca
192.139.30.34	A+PTR	ns4.gprc.ab.ca
192.139.30.34	A	ns2.gprc.ab.ca
192.139.30.36	A	fs.gprc.ab.ca
192.139.30.37	PTR	ex2013-02.gprc.ab.ca
192.139.30.37	A+PTR	mail.gprc.ab.ca
192.139.30.37	A+PTR	owa.gprc.ab.ca
192.139.30.38	PTR	owa.gprc.ab.ca
192.139.30.38	PTR	owa1.gprc.ab.ca
192.139.30.38	A+PTR	webmail.gprc.ab.ca
192.139.30.39	PTR	owa.gprc.ab.ca
192.139.30.39	PTR	owa2.gprc.ab.ca
192.139.30.39	A+PTR	webmail.gprc.ab.ca
192.139.30.40	A	sip.gprc.ab.ca
192.139.30.45	A	student.gprc.ab.ca
192.139.30.48	A	innovationexpert.net
192.139.30.201	A+PTR	mail.gprcstudents.net
192.139.30.201	A+PTR	spam.gprc.ab.ca
192.139.30.201	A	mail.gprc.ab.ca
192.139.30.202	A+PTR	mail.gprcstudents.net
192.139.30.202	A+PTR	spam.gprc.ab.ca
192.139.30.202	A	mail.gprc.ab.ca
192.139.30.205	A	my.gprc.ab.ca
192.139.30.210	PTR	fitandfirm.ca
192.139.30.210	PTR	fitnfirm.ca
192.139.30.210	PTR	gamexpo.ca
192.139.30.254	A+PTR	vpn.gprc.ab.ca