Robtex

Up: 213.5.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.5.53.0/25
Down right: 213.5.53.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.5.53.62	PTR	host-213-5-53-62.teleconnect.ru
213.5.53.210	A	ns2.sibfitpark.ru
213.5.53.210	A	ns2.ac-lomonosov.ru
213.5.53.210	A	ns2.abscredit.ru
213.5.53.214	PTR	host-213-5-53-214.teleconnect.ru
213.5.53.214	A	mail.sugpo.ru
213.5.53.221	PTR	host-213-5-53-221.teleconnect.ru
213.5.53.221	A	mail.smssnsk.ru
213.5.53.222	PTR	host-213-5-53-222.teleconnect.ru
213.5.53.222	A	ns1.sugpo.ru
213.5.53.222	A	ns1.xn----dtbkkfcc4aatkdj.xn--80asehdb
213.5.53.229	PTR	host-213-5-53-229.teleconnect.ru