Robtex

Up: 77.79.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.79.184.0/23
Down right: 77.79.186.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.79.184.7	PTR	77.79.184.7.static.ufanet.ru
77.79.184.75	PTR	77.79.184.75.static.ufanet.ru
77.79.184.79	PTR	77.79.184.79.static.ufanet.ru
77.79.184.142	PTR	77.79.184.142.static.ufanet.ru
77.79.184.156	PTR	77.79.184.156.static.ufanet.ru
77.79.184.162	PTR	77.79.184.162.static.ufanet.ru
77.79.184.166	PTR	77.79.184.166.static.ufanet.ru
77.79.184.191	PTR	77.79.184.191.static.ufanet.ru
77.79.184.212	PTR	77.79.184.212.static.ufanet.ru
77.79.184.217	PTR	77.79.184.217.static.ufanet.ru
77.79.184.251	PTR	77.79.184.251.static.ufanet.ru
77.79.184.252	PTR	77.79.184.252.static.ufanet.ru
77.79.185.50	PTR	77.79.185.50.static.ufanet.ru
77.79.185.86	A+PTR	mail.tdbashspirt.ru
77.79.185.146	PTR	77.79.185.146.static.ufanet.ru
77.79.185.170	A+PTR	170.ufanet.ru
77.79.185.170	A	teleinkom.ru
77.79.185.170	A	xn--l1ahc.xn--p1ai
77.79.185.173	PTR	173.ufanet.ru
77.79.185.173	A	mirglobus.ru
77.79.185.173	A	www.mirglobus.ru
77.79.185.186	A+PTR	mail.mdartgroup.ru
77.79.185.186	A	mdartgroup.ru
77.79.185.202	PTR	nedoma.ru
77.79.185.202	A	ns.smarty02.ru
77.79.185.202	A	forum.nedoma.ru
77.79.186.7	A+PTR	77.79.186.7.dynamic.ufanet.ru
77.79.186.142	A+PTR	77.79.186.142.dynamic.ufanet.ru
77.79.186.209	A	77.79.186.209.dynamic.ufanet.ru
77.79.186.230	PTR	77.79.186.230.dynamic.ufanet.ru
77.79.186.230	A	ufimcabel.ru
77.79.186.235	A	77.79.186.235.dynamic.ufanet.ru
77.79.186.243	PTR	77.79.186.243.dynamic.ufanet.ru
77.79.187.20	A	77.79.187.20.dynamic.ufanet.ru
77.79.187.30	A+PTR	77.79.187.30.dynamic.ufanet.ru
77.79.187.118	A+PTR	77.79.187.118.dynamic.ufanet.ru