Robtex

Up: 83.222.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.222.0.0/25
Down right: 83.222.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.222.0.30	A+PTR	ns1.mastername.ru
83.222.0.31	A+PTR	ns3.mastername.ru
83.222.0.34	A+PTR	ns1-expired.mastername.ru
83.222.0.40	A	whois.mastername.ru
83.222.0.41	A	whois.mastername.ru
83.222.0.50	PTR	cp.mastername.ru
83.222.0.51	A+PTR	bill.mastername.ru
83.222.0.53	PTR	mastername.ru
83.222.0.53	A	xn--80akaqleexhk.xn--p1ai
83.222.0.53	A	mastername.biz
83.222.0.54	PTR	mastername.ru
83.222.0.54	A	xn--80akaqleexhk.xn--p1ai
83.222.0.54	A	mastername.biz
83.222.0.101	A	mh1.mastername.ru
83.222.0.102	A+PTR	mh2.mastername.ru