Robtex

Up: 205.235.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 205.235.24.0/22
Down right: 205.235.28.0/22

IP	Type	Hostname
205.235.25.2	PTR	205-235-24-2.downtownit.net
205.235.26.12	A	testbed.gkg.net
205.235.26.13	A+PTR	www-1.gkg.net
205.235.26.13	A	www.gkgnet.name
205.235.26.13	A	gkgnet.biz
205.235.26.16	A	parkdb.gkg.net
205.235.26.17	A+PTR	whois-1.gkg.net
205.235.26.17	A	whois.gkg.net
205.235.26.18	A	email-1.gkg.net
205.235.26.19	PTR	ns3.gkg.net
205.235.26.32	A	ns.gkg.net
205.235.31.2	PTR	205-235-31-2.downtownit.net