Robtex

Up: 216.230.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.230.32.0/21
Down right: 216.230.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.230.32.21	PTR	216.230.32.21.host.smartcity.net
216.230.32.21	A	kejutan2020.com
216.230.32.21	A	ikawa.co
216.230.34.2	A+PTR	216.230.34.2.host.smartcity.net
216.230.34.21	A	kejutan2020.com
216.230.34.21	A	thietbiytevathuoc.com
216.230.34.21	A	jbalelang.com
216.230.36.21	A+PTR	216.230.36.21.host.smartcity.net
216.230.36.21	A	kejutan2020.com
216.230.36.21	A	thietbiytevathuoc.com
216.230.37.68	PTR	216.230.37.68.host.smartcitytelecom.com
216.230.37.68	A	216.230.37.68.host.smartcity.net
216.230.37.68	A	mimville.com
216.230.38.21	A	kejutan2020.com
216.230.38.21	A	thietbiytevathuoc.com
216.230.38.21	A	jbalelang.com
216.230.39.2	PTR	216.230.39.2.host.smartcity.net
216.230.40.42	A+PTR	216.230.40.42.host.smartcity.net
216.230.40.42	A	gregtesting.com
216.230.41.194	A	w4rnf.com
216.230.41.194	A	synergygaming.com
216.230.41.194	A	kn4nxr.com
216.230.41.195	PTR	216.230.41.195.host.smartcity.net
216.230.42.28	A+PTR	216.230.42.28.host.smartcity.net
216.230.42.57	A+PTR	216.230.42.57.host.smartcity.net
216.230.44.116	A+PTR	216.230.44.116.host.smartcity.net
216.230.44.132	A	ns1-fl.gaylorddigital.com
216.230.44.133	A+PTR	216.230.44.133.host.smartcity.net
216.230.44.133	A	flworldtalk.gaylordhotels.com
216.230.44.133	A	flworldtalk.oprylandhotels.com
216.230.44.217	A+PTR	216.230.44.217.host.smartcity.net
216.230.46.10	A	216.230.46.10.host.smartcity.net
216.230.46.22	A	tunnelpunt.com
216.230.46.31	A+PTR	216.230.46.31.host.smartcity.net
216.230.46.31	A	ahall-labs.com
216.230.46.105	A	mail.1111oakpond.com
216.230.46.105	A	1111oakpond.com
216.230.47.117	A	216.230.47.117.host.smartcity.net