Robtex

Up: 195.72.144.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.72.145.0/25
Down right: 195.72.145.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.72.145.2	PTR	user-195.72.145.2.lvivnet.org
195.72.145.3	PTR	user-195.72.145.3.lvivnet.org
195.72.145.4	PTR	user-195.72.145.4.lvivnet.org
195.72.145.8	PTR	user-195.72.145.8.lvivnet.org
195.72.145.12	PTR	user-195.72.145.12.lvivnet.org
195.72.145.16	PTR	user-195.72.145.16.lvivnet.org
195.72.145.19	PTR	user-195.72.145.19.lvivnet.org
195.72.145.22	A	cam3.redtelecom.com.ua
195.72.145.30	PTR	user-195.72.145.30.lvivnet.org
195.72.145.32	PTR	user-195.72.145.32.lvivnet.org
195.72.145.33	PTR	user-195.72.145.33.lvivnet.org
195.72.145.42	PTR	user-195.72.145.42.lvivnet.org
195.72.145.43	PTR	user-195.72.145.43.lvivnet.org
195.72.145.47	PTR	user-195.72.145.47.lvivnet.org
195.72.145.49	PTR	user-195.72.145.49.lvivnet.org
195.72.145.53	PTR	user-195.72.145.53.lvivnet.org
195.72.145.58	PTR	user-195.72.145.58.lvivnet.org
195.72.145.65	PTR	gw1-vl1-1.lvivnet.org
195.72.145.65	A	ns.lvivnet.org
195.72.145.66	PTR	user-195.72.145.66.lvivnet.org
195.72.145.70	PTR	user-195.72.145.70.lvivnet.org
195.72.145.84	PTR	user-195.72.145.84.lvivnet.org
195.72.145.89	PTR	user-195.72.145.89.lvivnet.org
195.72.145.92	PTR	user-195.72.145.92.lvivnet.org
195.72.145.98	PTR	user-195.72.145.98.lvivnet.org
195.72.145.105	PTR	gw1.redtelecom.com.ua
195.72.145.106	PTR	user-195.72.145.106.lvivnet.org
195.72.145.108	PTR	user-195.72.145.108.lvivnet.org
195.72.145.112	PTR	user-195.72.145.112.lvivnet.org
195.72.145.112	A	alberto.com.ua
195.72.145.112	A	alcomp.net.ua
195.72.145.113	A	alberto.com.ua
195.72.145.121	PTR	user-195.72.145.121.lvivnet.org
195.72.145.124	PTR	user-195.72.145.124.lvivnet.org
195.72.145.125	PTR	user-195.72.145.125.lvivnet.org
195.72.145.136	PTR	user-195.72.145.136.lvivnet.org
195.72.145.142	A	mail.redtelecom.com.ua
195.72.145.143	PTR	user-195.72.145.143.lvivnet.org
195.72.145.153	PTR	user-195.72.145.153.lvivnet.org
195.72.145.154	PTR	user-195.72.145.154.lvivnet.org
195.72.145.156	PTR	user-195.72.145.156.lvivnet.org
195.72.145.162	PTR	user-195.72.145.162.lvivnet.org
195.72.145.164	PTR	user-195.72.145.164.lvivnet.org
195.72.145.171	PTR	user-195.72.145.171.lvivnet.org
195.72.145.175	PTR	user-195.72.145.175.lvivnet.org
195.72.145.177	PTR	user-195.72.145.177.lvivnet.org
195.72.145.187	PTR	user-195.72.145.187.lvivnet.org
195.72.145.189	PTR	user-195.72.145.189.lvivnet.org
195.72.145.198	PTR	user-195.72.145.198.lvivnet.org
195.72.145.200	PTR	user-195.72.145.200.lvivnet.org
195.72.145.206	A+PTR	is.tempo-jsc.com
195.72.145.206	A	mail.tempo-jsc.com
195.72.145.206	A	mail-rc.tempo-jsc.com
195.72.145.207	PTR	mail.customs-service.com.ua
195.72.145.207	A	www.tempo-jsc.com
195.72.145.207	A	ns1.customs-service.com.ua
195.72.145.209	A+PTR	is.tempo-jsc.com
195.72.145.209	A	mail.tempo-jsc.com
195.72.145.209	A	mail-rc.tempo-jsc.com
195.72.145.213	PTR	user-195.72.145.213.lvivnet.org
195.72.145.215	PTR	user-195.72.145.215.lvivnet.org
195.72.145.216	PTR	user-195.72.145.216.lvivnet.org
195.72.145.219	PTR	user-195.72.145.219.lvivnet.org
195.72.145.233	PTR	user-195.72.145.233.lvivnet.org
195.72.145.245	PTR	user-195.72.145.245.lvivnet.org
195.72.145.251	PTR	user-195.72.145.251.lvivnet.org