Robtex

Up: 204.209.122.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.209.122.0/25
Down right: 204.209.122.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.209.122.5	PTR	host5.cityofgp.com
204.209.122.14	PTR	host14.cityofgp.com
204.209.122.59	PTR	host59.cityofgp.com
204.209.122.83	PTR	host83.cityofgp.com
204.209.122.95	PTR	host95.cityofgp.com
204.209.122.108	PTR	host108.cityofgp.com
204.209.122.138	PTR	host138.cityofgp.com
204.209.122.145	PTR	host145.cityofgp.com
204.209.122.149	PTR	host149.cityofgp.com
204.209.122.161	PTR	host161.cityofgp.com
204.209.122.200	PTR	host200.cityofgp.com
204.209.122.207	PTR	host207.cityofgp.com
204.209.122.207	A	mapviewer.ca
204.209.122.212	PTR	host212.cityofgp.com
204.209.122.224	PTR	host224.cityofgp.com
204.209.122.224	A	gpfire.ab.ca
204.209.122.224	A	www.crystalcentre.com
204.209.122.226	PTR	host226.cityofgp.com
204.209.122.227	PTR	host227.cityofgp.com
204.209.122.230	PTR	host230.cityofgp.com
204.209.122.230	A	muniportal.ca
204.209.122.235	PTR	host235.cityofgp.com
204.209.122.235	A	econnect.cityofgp.com
204.209.122.240	A+PTR	mail.cityofgp.com
204.209.122.247	PTR	host247.cityofgp.com