Robtex

Up: 192.111.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.111.36.0/25
Down right: 192.111.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.111.36.1	PTR	crf.cuis.edu
192.111.36.2	A+PTR	dns.cuis.edu
192.111.36.2	A	dns.cuchicago.edu
192.111.36.3	A+PTR	dns2.cuis.edu
192.111.36.5	PTR	alpha2.cuis.edu
192.111.36.5	A	crf.cuis.edu
192.111.36.10	PTR	caisrh4.cuis.edu
192.111.36.11	PTR	alpha7.cuis.edu
192.111.36.12	A+PTR	caisrh4.cuis.edu
192.111.36.13	A+PTR	caisrh5.cuis.edu
192.111.36.15	PTR	pmas.cuis.edu
192.111.36.30	PTR	www.myservicetracker.com
192.111.36.31	PTR	mail.myservicetracker.com
192.111.36.32	PTR	www.myservicetracker.com
192.111.36.32	A	myservicetracker.com
192.111.36.32	A	test.myservicetracker.com
192.111.36.33	PTR	www.myservicetracker.com
192.111.36.34	PTR	www.myservicetracker.com
192.111.36.35	PTR	www.myservicetracker.com
192.111.36.44	A+PTR	www.cais.cus.edu
192.111.36.44	A	www.cus.edu
192.111.36.44	A	cuis.edu
192.111.36.45	A	caisrh1.cuis.edu
192.111.36.50	A	www.cais.cus.edu
192.111.36.50	A	cais.cus.edu
192.111.36.65	PTR	vpn.cuis.edu
192.111.36.66	PTR	cais2.cuis.edu
192.111.36.71	A+PTR	www2.lea.org
192.111.36.106	A	mail.cuis.edu
192.111.36.164	A	portal.cuis.edu
192.111.36.166	A	ms.cuis.edu
192.111.36.175	A	nat.cuis.edu
192.111.36.176	PTR	nat.cuis.edu