Robtex

Up: 205.210.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 205.210.53.0/25
Down right: 205.210.53.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.210.53.12	A+PTR	mail.uppercanadaos.com
205.210.53.13	PTR	net-ucos-1.uppercanadaos.com
205.210.53.13	A	www.ucos.ca
205.210.53.13	A	www.uppercanadaos.com
205.210.53.18	PTR	pilx.pro-invest.ca
205.210.53.18	A	pro-invest.ca
205.210.53.18	A	www.pro-invest.ca
205.210.53.20	PTR	wf2.pro-invest.ca
205.210.53.20	A	piweb.ca
205.210.53.21	A+PTR	barracuda.pro-invest.ca
205.210.53.26	A	anthologi.ca
205.210.53.26	A	rhetori.ca
205.210.53.26	A	nanite-systems.com
205.210.53.27	PTR	yike.ca
205.210.53.28	A+PTR	mail1.dynalogical.com
205.210.53.44	PTR	mail.fct.ca
205.210.53.51	A	mail.digigraphics.ca
205.210.53.118	A	mail.unisponge.com
205.210.53.134	PTR	mail.uppercanadaos.com
205.210.53.150	PTR	mail.ravenforge.ca
205.210.53.150	A	ecologyandsociety.org
205.210.53.150	A	admin.ecologyandsociety.net
205.210.53.166	PTR	downtownkingston.ca
205.210.53.178	A	phantomware.ca
205.210.53.178	A	salient.phantomware.ca
205.210.53.198	PTR	pi-gw2.pro-invest.ca
205.210.53.198	A	barracuda2.pro-invest.ca
205.210.53.214	A+PTR	office-gw.page.ca
205.210.53.214	A	ns2.pagemail.net