Robtex

Up: 193.111.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.111.240.0/23
Down right: 193.111.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.111.240.2	PTR	h1.online.sumy.ua
193.111.240.2	A	library.sumy.ua
193.111.240.3	PTR	ns.online.sumy.ua
193.111.240.3	A	library.sumy.ua
193.111.240.3	A	wushunews.ru
193.111.240.4	A+PTR	fs1.online.sumy.ua
193.111.240.4	A	ns3.online.sumy.ua
193.111.240.6	PTR	noc.online.sumy.ua
193.111.240.6	A	ns2.online.sumy.ua
193.111.240.6	A	cqham.sumy.ua
193.111.240.9	A+PTR	as.online.sumy.ua
193.111.240.9	A	ns2.online.sumy.ua
193.111.240.9	A	ns2.cqham.sumy.ua
193.111.240.69	PTR	69-none.online.sumy.ua
193.111.240.118	PTR	118-none.online.sumy.ua
193.111.240.126	PTR	126-none.online.sumy.ua
193.111.241.7	PTR	7-241-pptp.online.sumy.ua
193.111.241.67	PTR	67-241-pptp.online.sumy.ua
193.111.241.122	A	moncompte-bouyguetelecom.com
193.111.241.145	PTR	145-241-pptp.online.sumy.ua
193.111.241.187	PTR	187-241-pptp.online.sumy.ua
193.111.242.167	PTR	167-242-pptp.online.sumy.ua
193.111.242.178	PTR	178-242-pptp.online.sumy.ua
193.111.243.114	A+PTR	ns.fse.sumy.ua
193.111.243.114	A	fse.sumy.ua
193.111.243.114	A	relay.fse.sumy.ua