Robtex

Up: 178.212.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 178.212.176.0/22
Down right: 178.212.180.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.212.176.82	PTR	host82-178-212-176.ironnet.info
178.212.176.82	A	sch-kichera.ru
178.212.176.184	PTR	host184-178-212-176.ironnet.info
178.212.176.222	PTR	host222-178-212-176.ironnet.info
178.212.177.17	PTR	host17-178-212-177.ironnet.info
178.212.177.240	A	sever1.socium.ru
178.212.178.120	PTR	host120-178-212-178.ironnet.info
178.212.178.218	PTR	host218-178-212-178.ironnet.info
178.212.179.171	PTR	host171-178-212-179.ironnet.info
178.212.179.176	PTR	host176-178-212-179.ironnet.info
178.212.181.199	PTR	host199-178-212-181.ironnet.info
178.212.183.225	A+PTR	www.ironnet.info
178.212.183.225	A	ironnet.info
178.212.183.225	A	xn--80aklqaenu.xn--p1ai
178.212.183.236	PTR	serv1.ironnet.info
178.212.183.236	A	mail.ironnet.info
178.212.183.240	A	sbkportal.ru
178.212.183.240	A	www.sbkportal.ru
178.212.183.241	A	mail.sbkportal.ru
178.212.183.244	A	ns1.ironnet.info
178.212.183.254	A+PTR	ns2.ironnet.info