Robtex

Up: 198.235.16.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 198.235.16.0/24
Down right: 198.235.17.0/24

IP	Type	Hostname
198.235.16.2	A+PTR	ns-tor.delcan.net
198.235.16.2	A	smtp.delcan.net
198.235.16.3	PTR	mail-tor.delcan.net
198.235.16.3	A	emdstudio.com
198.235.16.3	A	toronto.delcan.net
198.235.16.11	A+PTR	ns-van.delcan.net
198.235.16.13	PTR	www.delcan.net
198.235.16.14	PTR	vpn-van.delcan.net
198.235.16.16	A+PTR	mx-van.delcan.net
198.235.16.17	A	ftp.delcan.net
198.235.16.18	A+PTR	spam.delcan.net
198.235.16.18	A	mx-tor.delcan.net
198.235.16.18	A	mail.intelligentdevicesinc.com
198.235.16.19	A	portal.delcan.net
198.235.16.23	A	dns1.delcangroup.com
198.235.16.23	A	ns3.nateng.com
198.235.16.32	A	ottawa.delcan.net
198.235.16.34	A	london.delcan.net
198.235.16.64	A+PTR	vancouver.delcan.net
198.235.16.64	A	vancouver1.delcan.net
198.235.16.64	A	mail-van.delcan.net
198.235.17.1	A+PTR	out-tor.delcan.net
198.235.17.32	A+PTR	out-ott.delcan.net
198.235.17.34	A+PTR	out-lon.delcan.net
198.235.17.36	A+PTR	out-ham.delcan.net
198.235.17.38	PTR	out-nfo.delcan.net
198.235.17.42	A	out-kit.delcan.net
198.235.17.64	A+PTR	out-van.delcan.net
198.235.17.74	A+PTR	out-kin.delcan.net
198.235.17.98	A+PTR	out-sch.delcan.net
198.235.17.102	A+PTR	out-atl.delcan.net