Robtex

Up: 87.229.192.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.229.193.0/25
Down right: 87.229.193.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.229.193.19	A	fire.fessl.ru
87.229.193.19	A	mails.fessl.ru
87.229.193.20	A	ns2.fessl.ru
87.229.193.46	A+PTR	mail.pkfdis.ru
87.229.193.150	A	mdc-edg01.rn-grp.ru
87.229.193.242	A+PTR	users.khb.cbr.ru
87.229.193.242	A	ns2.khb.cbr.ru
87.229.193.242	A	ns2.rtzi.ru
87.229.193.243	A+PTR	gw.khb.cbr.ru
87.229.193.243	A	ns.rtzi.ru
87.229.193.243	A	mail.khb.cbr.ru