Robtex

Up: 83.136.232.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.136.232.0/25
Down right: 83.136.232.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.136.232.3	A+PTR	zmail.mtr-sviaz.ru
83.136.232.3	A	ns.mtrsvyaz.ru
83.136.232.3	A	ns2.noone.ru
83.136.232.4	PTR	vm.mtr-sviaz.ru
83.136.232.4	A	ns2.mtr-sviaz.ru
83.136.232.10	PTR	m9-main.mtr-sviaz.ru
83.136.232.28	PTR	zmail.mtr-sviaz.ru
83.136.232.30	A+PTR	vhosts.mtr-sviaz.ru
83.136.232.30	A	mtr-sviaz.ru
83.136.232.68	A	evi.su
83.136.232.121	A	uaset.com
83.136.232.121	A	cook.uaset.com
83.136.232.162	PTR	office.mtr-sviaz.ru
83.136.232.164	A	office.mtr-sviaz.ru
83.136.232.179	A	akvamir23.ru