Robtex

Up: 91.225.198.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.225.199.0/25
Down right: 91.225.199.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.225.199.1	A+PTR	ns2.ultranet.com.ua
91.225.199.1	A	ns.ultranet.com.ua
91.225.199.1	A	www.ultranet.com.ua
91.225.199.100	A+PTR	mail.ultranet.com.ua
91.225.199.100	A	tir-service.cn.ua
91.225.199.100	A	service.ultranet.com.ua
91.225.199.199	PTR	ultranet.com.ua
91.225.199.200	A	dc.ultranet.com.ua