Robtex

Up: 193.238.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.238.22.0/24
Down right: 193.238.23.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.238.22.10	A	minh.tel.com.ua
193.238.22.14	A	hotel.tel.com.ua
193.238.22.250	A	frog.tel.com.ua
193.238.23.1	A+PTR	lviv.net
193.238.23.1	A+PTR	l1.lviv.net
193.238.23.1	A+PTR	org.lviv.net
193.238.23.3	A+PTR	is.lviv.net
193.238.23.3	A+PTR	l1.lviv.net
193.238.23.3	A+PTR	who.is.lviv.net
193.238.23.5	A+PTR	serg.lviv.net
193.238.23.8	A+PTR	l11.lviv.net
193.238.23.9	A+PTR	l10.lviv.net
193.238.23.14	PTR	ns3.lviv.net
193.238.23.23	A+PTR	ns.lviv.net
193.238.23.70	A	user.voip.com.ua
193.238.23.74	A+PTR	l15-74.lviv.net
193.238.23.82	A	l15-82.lviv.net
193.238.23.87	A+PTR	l7-out-1.lviv.net
193.238.23.87	A+PTR	ns3.lviv.net
193.238.23.87	A+PTR	smtp.lviv.net
193.238.23.88	A+PTR	l15-telecom.lviv.net
193.238.23.88	A+PTR	l15.lviv.net
193.238.23.89	A	criu.lviv.net
193.238.23.92	A+PTR	l8.lviv.net