Robtex

Up: 199.19.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.19.160.0/22
Down right: 199.19.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.19.160.107	PTR	hsw-199-19-160-107.res.sud.netspectrum.ca
199.19.164.10	PTR	hsw-199-19-164-10.res.sud.netspectrum.ca
199.19.164.41	PTR	hsw-199-19-164-41.res.sud.netspectrum.ca
199.19.164.56	PTR	hsw-199-19-164-56.res.sud.netspectrum.ca
199.19.164.121	PTR	hsw-199-19-164-121.res.sud.netspectrum.ca
199.19.164.129	PTR	hsw-199-19-164-129.res.sud.netspectrum.ca
199.19.164.130	PTR	hsw-199-19-164-130.res.sud.netspectrum.ca
199.19.164.154	PTR	hsw-199-19-164-154.res.sud.netspectrum.ca
199.19.164.185	PTR	hsw-199-19-164-185.res.sud.netspectrum.ca
199.19.164.243	PTR	hsw-199-19-164-243.res.sud.netspectrum.ca
199.19.166.10	PTR	hsw-199-19-166.static.sud.netspectrum.ca
199.19.166.10	A	thehurleygroup.com
199.19.166.10	A	mail.thehurleygroup.com
199.19.166.130	A+PTR	gateway.ciinet.org
199.19.166.130	A	comms.ca
199.19.166.130	A	www.ciinet.org
199.19.166.250	PTR	omg.wtf
199.19.167.1	A	srv1-sud.netspectrum.ca
199.19.167.2	A+PTR	ns1.netspectrum.ca
199.19.167.3	A+PTR	ns2.netspectrum.ca
199.19.167.4	PTR	mail.netspectrum.ca
199.19.167.4	A	mail.iamwireless.net
199.19.167.8	A+PTR	orion.netspectrum.ca
199.19.167.16	A	csco-sud-fe0.netspectrum.ca
199.19.167.17	A+PTR	www1.netspectrum.ca
199.19.167.17	A	canadianmicrowave.com
199.19.167.19	A	ipdb.netspectrum.ca
199.19.167.28	A	www2.netspectrum.ca
199.19.167.31	A	mgw03.netspectrum.ca
199.19.167.36	A+PTR	time.netspectrum.ca
199.19.167.36	A	ca.pool.ntp.org
199.19.167.41	A+PTR	untangle-sby.spectrumtelecom.ca
199.19.167.41	A	talkplus.ca
199.19.167.43	A	jamie.spectrumtelecom.ca
199.19.167.49	A+PTR	beta.spectrumtelecom.ca
199.19.167.77	A	www.netspectrum.ca
199.19.167.77	A	netspectrum.ca
199.19.167.77	A	spectrumtelecom.ca
199.19.167.131	PTR	omg.wtf
199.19.167.162	PTR	mail.northerncs.com
199.19.167.162	A	criminallawyertoronto.org
199.19.167.162	A	pcm-tn.com