Robtex

Up: 46.229.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 46.229.216.0/23
Down right: 46.229.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.229.216.66	A+PTR	iron3.stackdata.net
46.229.216.67	A+PTR	iron4.stackdata.net
46.229.216.68	A	otrs.stackdata.net
46.229.216.72	A+PTR	mail.sdn.spb.ru
46.229.216.75	PTR	www.stackdata.net
46.229.216.75	A	sdn-spb.ru
46.229.216.75	A	stackdata.net
46.229.216.82	PTR	www.stackdata.net
46.229.216.82	A	sdn-spb.ru
46.229.216.82	A	stackdata.net
46.229.217.217	A+PTR	deb7.sdnspb.ru
46.229.217.217	A	www.sknial.ru
46.229.217.217	A	mail.sknial.ru
46.229.219.24	A	api.cgt.noc.solutions