Robtex

Up: 193.24.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.24.220.0/23
Down right: 193.24.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.24.220.3	PTR	datacentr.net
193.24.220.3	A	ns1.datacentr.net
193.24.220.3	A	poczta.laczpol.net.pl
193.24.220.4	PTR	datacentr.net
193.24.220.4	A	100-45-108-213.datacentr.net
193.24.220.4	A	128-45-108-213.datacentr.net
193.24.220.34	A+PTR	mail.rud.ua
193.24.220.36	PTR	mail.rud.ua
193.24.220.39	A	deepblue.laczpol.net.pl
193.24.220.42	PTR	42-220-24-193.static.internet.zt.ua
193.24.220.42	A	www.invensio.com
193.24.220.42	A	seed.bitcoin.sipa.be
193.24.220.77	PTR	77-220-24-193.static.internet.zt.ua
193.24.220.90	A+PTR	mail.liktravy.com.ua
193.24.220.94	A	zombie.laczpol.net.pl
193.24.220.102	A	brick.laczpol.net.pl
193.24.220.106	PTR	106-220-24-193.static.internet.zt.ua
193.24.220.106	A	ns2.imhwiort.at
193.24.220.106	A	ns4.imhwiort.at
193.24.220.128	PTR	128-220-24-193.static.internet.zt.ua
193.24.220.142	A	goorbiting.com
193.24.220.146	A+PTR	mx2.zu.edu.ua
193.24.220.155	PTR	155-220-24-193.static.internet.zt.ua
193.24.220.155	A	mail.inzt.tv
193.24.220.155	A	mail.inzt.net
193.24.220.191	PTR	191-220-24-193.static.internet.zt.ua
193.24.221.74	A+PTR	mx.eliz.com.ua
193.24.221.75	PTR	75-221-24-193.static.internet.zt.ua
193.24.221.75	A	mx1.eliz.com.ua
193.24.221.82	PTR	ns.kapri-alfa.com.ua
193.24.221.82	A	mx.kapri-alfa.com.ua
193.24.221.190	PTR	190-221-24-193.static.internet.zt.ua
193.24.221.190	A	mail.eastd.com.ua
193.24.221.205	PTR	205-221-24-193.static.internet.zt.ua
193.24.222.50	PTR	50-222-24-193.static.internet.zt.ua
193.24.222.53	PTR	53-222-24-193.static.internet.zt.ua
193.24.222.66	PTR	66-222-24-193.static.internet.zt.ua
193.24.222.66	A	dfmebli.com
193.24.222.66	A	www.travel-extreme.com.ua