Robtex

Up: 89.189.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 89.189.180.0/23
Down right: 89.189.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.189.180.0	A+PTR	0.180.189.89.sta.211.ru
89.189.180.38	PTR	mx.sliderweb.ru
89.189.180.38	A	info.sliderweb.ru
89.189.180.38	A	ns1.sliderweb.ru
89.189.180.39	PTR	39.180.189.89.sta.211.ru
89.189.180.48	A+PTR	48.180.189.89.sta.211.ru
89.189.180.74	A	sandc.ru
89.189.180.99	A	nospoon.ru
89.189.180.105	PTR	105.180.189.89.sta.211.ru
89.189.180.105	A	itera.nsk.su
89.189.180.113	PTR	stps.nsk.su
89.189.180.125	PTR	janzen.su
89.189.180.197	A+PTR	mail.sibd.ru
89.189.180.208	PTR	208.180.189.89.sta.211.ru
89.189.180.208	A	nsk.paramon.ru
89.189.180.218	A+PTR	mail.sibfrost.com
89.189.180.218	A	pop.sibfrost.com
89.189.180.229	A	mail.maksimus-nsk.ru
89.189.180.230	PTR	230.180.189.89.sta.211.ru
89.189.180.230	A	mail2.arena1.ru
89.189.180.238	PTR	itera.nsk.su
89.189.181.0	A+PTR	0.181.189.89.sta.211.ru
89.189.181.43	A+PTR	43.181.189.89.sta.211.ru
89.189.181.93	A+PTR	93.181.189.89.sta.211.ru
89.189.181.104	PTR	104.181.189.89.sta.211.ru
89.189.181.104	A	vp12mail.ru
89.189.181.104	A	12voenproekt.ru
89.189.181.108	PTR	mail.orsib.ru
89.189.181.162	A	162.181.189.89.sta.211.ru
89.189.181.187	A	ozdorovlenie-nii.ru
89.189.181.187	A	www.ozdorovlenie-nii.ru
89.189.181.246	PTR	246.181.189.89.sta.211.ru
89.189.182.0	A+PTR	0.182.189.89.sta.211.ru
89.189.182.93	PTR	93.182.189.89.sta.211.ru
89.189.182.93	A	3dwo.ru
89.189.182.93	A	ligak.com
89.189.182.119	A+PTR	gate.ssagency.ru
89.189.182.119	A	ssagency.ru
89.189.182.129	A	vteh.211.ru
89.189.182.133	A	133.182.189.89.sta.211.ru
89.189.182.140	PTR	140.182.189.89.sta.211.ru
89.189.182.140	A	www.sibstroiexp.ru
89.189.182.140	A	7profi.net
89.189.182.204	A+PTR	mx.interpak1991.ru
89.189.182.204	A	interpak1991.ru
89.189.183.0	A+PTR	0.183.189.89.sta.211.ru
89.189.183.67	PTR	nskestate.ru
89.189.183.67	A	kvartet.ru
89.189.183.69	PTR	mail.rbrauto.ru
89.189.183.88	PTR	88.183.189.89.sta.211.ru
89.189.183.88	A	ns2.pasman-clinic.ru
89.189.183.165	A	ns1.lot-komfort.ru
89.189.183.165	A	lot-komfort.ru
89.189.183.177	PTR	mailnsk.nsmaster.ru
89.189.183.225	A	mx2.xn--90acjjn9ac.xn--p1ai
89.189.183.227	A	abk.nov.net
89.189.183.233	A+PTR	233.183.189.89.sta.211.ru
89.189.183.233	A	vegagps.ru
89.189.183.233	A	gpsvega.ru
89.189.183.236	PTR	236.183.189.89.sta.211.ru
89.189.183.236	A	www.sib-moda.ru
89.189.183.255	PTR	255.183.189.89.sta.211.ru