Robtex

Up: 81.30.196.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 81.30.196.0/24
Down right: 81.30.197.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.30.196.41	PTR	mt20.ru
81.30.196.90	A+PTR	docmail.doctorrb.ru
81.30.196.90	A	aim.ufanet.ru
81.30.196.93	PTR	fiz.ufanet.ru
81.30.196.142	A+PTR	acid0.ufanet.ru
81.30.196.222	A+PTR	erkcjh.ufanet.ru
81.30.197.6	A+PTR	gorzdrav.ufacity.info
81.30.197.10	A+PTR	cat.ufanet.ru
81.30.197.10	A	ufamail.ru
81.30.197.53	A+PTR	evrocar.ufanet.ru
81.30.197.57	A	bashbakalea.ufanet.ru
81.30.197.58	A	kuznets.ufanet.ru
81.30.197.74	A+PTR	mail.medupk.ru
81.30.197.74	A	medupk.ru
81.30.197.74	A	www.medupk.ru
81.30.197.150	PTR	bnpz.ru
81.30.197.153	A+PTR	81.30.197.153.static.ufanet.ru
81.30.197.158	PTR	mail.burinteh.com
81.30.197.158	A	mail.burintekh.com
81.30.197.190	PTR	81.30.197.190.static.ufanet.ru
81.30.197.190	A	*.kul-tau.ru
81.30.197.190	A	kul-tau.ru