Robtex

Up: 91.225.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.225.80.0/23
Down right: 91.225.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.225.80.1	PTR	sphynx.bo.kiev.ua
91.225.80.1	A	smtp.bo.kiev.ua
91.225.80.1	A	ns.bo.kiev.ua
91.225.80.5	A	m-a-g.com.ua
91.225.82.211	A+PTR	puh.acm.kiev.ua
91.225.82.211	A	ames.acm.kiev.ua
91.225.82.211	A	acm.kiev.ua