Robtex

Up: 188.231.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 188.231.144.0/22
Down right: 188.231.148.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.231.144.0	PTR	188.231.144.0.freenet.com.ua
188.231.144.1	PTR	188.231.144.1.freenet.com.ua
188.231.144.8	PTR	188.231.144.8.freenet.com.ua
188.231.144.25	PTR	188.231.144.25.freenet.com.ua
188.231.144.27	PTR	188.231.144.27.freenet.com.ua
188.231.144.40	PTR	188.231.144.40.freenet.com.ua
188.231.144.48	PTR	188.231.144.48.freenet.com.ua
188.231.144.51	PTR	188.231.144.51.freenet.com.ua
188.231.144.56	PTR	188.231.144.56.freenet.com.ua
188.231.144.75	PTR	188.231.144.75.freenet.com.ua
188.231.144.89	PTR	188.231.144.89.freenet.com.ua
188.231.144.90	PTR	188.231.144.90.freenet.com.ua
188.231.144.96	PTR	188.231.144.96.freenet.com.ua
188.231.144.129	PTR	188.231.144.129.freenet.com.ua
188.231.144.130	PTR	188.231.144.130.freenet.com.ua
188.231.144.131	PTR	188.231.144.131.freenet.com.ua
188.231.144.136	PTR	188.231.144.136.freenet.com.ua
188.231.144.137	PTR	188.231.144.137.freenet.com.ua
188.231.144.146	PTR	188.231.144.146.freenet.com.ua
188.231.144.153	PTR	188.231.144.153.freenet.com.ua
188.231.144.176	PTR	188.231.144.176.freenet.com.ua
188.231.144.178	PTR	188.231.144.178.freenet.com.ua
188.231.144.193	PTR	188.231.144.193.freenet.com.ua
188.231.144.195	PTR	188.231.144.195.freenet.com.ua
188.231.144.216	PTR	188.231.144.216.freenet.com.ua
188.231.144.218	PTR	188.231.144.218.freenet.com.ua
188.231.144.226	PTR	188.231.144.226.freenet.com.ua
188.231.144.233	PTR	188.231.144.233.freenet.com.ua
188.231.144.243	PTR	188.231.144.243.freenet.com.ua
188.231.145.0	PTR	188.231.145.0.freenet.com.ua
188.231.145.11	PTR	188.231.145.11.freenet.com.ua
188.231.145.16	PTR	188.231.145.16.freenet.com.ua
188.231.145.17	PTR	188.231.145.17.freenet.com.ua
188.231.145.18	PTR	188.231.145.18.freenet.com.ua
188.231.145.24	PTR	188.231.145.24.freenet.com.ua
188.231.145.41	PTR	188.231.145.41.freenet.com.ua
188.231.145.42	PTR	188.231.145.42.freenet.com.ua
188.231.145.51	PTR	188.231.145.51.freenet.com.ua
188.231.145.66	PTR	188.231.145.66.freenet.com.ua
188.231.145.83	PTR	188.231.145.83.freenet.com.ua
188.231.145.90	PTR	188.231.145.90.freenet.com.ua
188.231.145.94	A	auroramngr.dyndns.org
188.231.145.104	PTR	188.231.145.104.freenet.com.ua
188.231.145.112	PTR	188.231.145.112.freenet.com.ua
188.231.145.122	PTR	188.231.145.122.freenet.com.ua
188.231.145.130	PTR	188.231.145.130.freenet.com.ua
188.231.145.136	PTR	188.231.145.136.freenet.com.ua
188.231.145.138	PTR	188.231.145.138.freenet.com.ua
188.231.145.139	PTR	188.231.145.139.freenet.com.ua
188.231.145.146	PTR	188.231.145.146.freenet.com.ua
188.231.145.147	PTR	188.231.145.147.freenet.com.ua
188.231.145.155	PTR	188.231.145.155.freenet.com.ua
188.231.145.162	PTR	188.231.145.162.freenet.com.ua
188.231.145.179	PTR	188.231.145.179.freenet.com.ua
188.231.145.184	PTR	188.231.145.184.freenet.com.ua
188.231.145.187	PTR	188.231.145.187.freenet.com.ua
188.231.145.210	PTR	188.231.145.210.freenet.com.ua
188.231.145.217	PTR	188.231.145.217.freenet.com.ua
188.231.145.242	PTR	188.231.145.242.freenet.com.ua
188.231.145.243	PTR	188.231.145.243.freenet.com.ua
188.231.145.248	PTR	188.231.145.248.freenet.com.ua
188.231.145.249	PTR	188.231.145.249.freenet.com.ua
188.231.145.250	PTR	188.231.145.250.freenet.com.ua
188.231.145.251	PTR	188.231.145.251.freenet.com.ua
188.231.146.23	PTR	188.231.146.23.freenet.com.ua
188.231.146.160	PTR	188.231.146.160.freenet.com.ua
188.231.147.0	PTR	188.231.147.0.freenet.com.ua
188.231.147.199	PTR	188.231.147.199.freenet.com.ua
188.231.147.199	A	bb.gilkolt.at
188.231.147.199	A	bvbvbcbsdbsd.com
188.231.149.18	PTR	188.231.149.18.freenet.com.ua
188.231.149.18	A	obnov.tk
188.231.149.18	A	akvas.tk
188.231.149.69	A	paradeev.ddns.net
188.231.149.69	A	email-paradeev.ddns.net
188.231.149.82	PTR	mail4.novakom.com.ua
188.231.149.82	A	mail.novakom.com.ua
188.231.149.82	A	infocentr.pl.ua
188.231.149.94	A	krogerc.info
188.231.149.94	A	krmisto.gov.ua
188.231.149.226	A	sectorplus.cf
188.231.149.253	A	owejansdhbjand.net
188.231.149.253	A	weoitnasdeeww.net
188.231.150.27	PTR	188.231.150.27.freenet.com.ua
188.231.150.37	A	tuev-dieks.com
188.231.150.66	PTR	188.231.150.66.freenet.com.ua
188.231.151.0	PTR	188.231.151.0.freenet.com.ua
188.231.151.179	A	mail.sectorplus.cf