Robtex

Up: 206.47.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.47.16.0/23
Down right: 206.47.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.47.17.17	PTR	umq.qc.ca
206.47.17.17	PTR	www.umq.qc.ca
206.47.19.30	PTR	torontoprince.com
206.47.19.30	PTR	totalcrediting.com
206.47.19.30	PTR	mail.ulysses.ca
206.47.19.77	A	www.nutricorp.com
206.47.19.78	A+PTR	mailgateway.jamiesonlabs.com
206.47.19.83	A+PTR	ns.nutricorp.com
206.47.19.84	PTR	ns2.nutricorp.com
206.47.19.85	A	mail.nutricorp.com
206.47.19.85	A	mail.cejamieson.net
206.47.19.85	A	edgesrv.jamiesonlabs.com
206.47.19.141	A+PTR	ns1.tracedata.net
206.47.19.142	A+PTR	ns2.tracedata.net
206.47.19.143	A+PTR	mail.tracedata.net
206.47.19.143	A	mail.tracedata.com
206.47.19.146	A	modus1.tracedata.net
206.47.19.146	A	modus1.tracedata.com
206.47.19.171	A	calabar.org
206.47.19.171	A	suttonstromart.com
206.47.19.171	A	multicomm.ca
206.47.19.172	A	tracedata.com
206.47.19.172	A	www.nortownair.com
206.47.19.172	A	nortownair.com