Robtex

Up: 89.251.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 89.251.64.0/22
Down right: 89.251.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.251.64.234	PTR	p2p.ugmk-telecom.ru
89.251.65.1	A+PTR	mx1a.elem.ru
89.251.65.2	A+PTR	mx1b.elem.ru
89.251.65.5	A	ns2.katanka.su
89.251.65.5	A	ns2.katur.su
89.251.65.21	A	elem.ru
89.251.65.21	A	ns.katur.su
89.251.65.21	A	host.elem.ru
89.251.65.65	PTR	gw-katur.ugmk-telecom.ru
89.251.65.66	A+PTR	mail.katur.org
89.251.65.66	A+PTR	mail.katur.ru
89.251.65.67	PTR	host-89-251-65-67.ugmk-telecom.ru
89.251.65.67	A	mail1.katur.ru
89.251.65.67	A	mail1.katur.org
89.251.65.89	PTR	gw-gerkon.ugmk-telecom.ru
89.251.65.99	PTR	mail2.ugmk.com
89.251.65.106	A+PTR	mail4.ugmk.com
89.251.65.170	PTR	eldoradoural.ru
89.251.65.241	PTR	gw-baltym.ugmk-telecom.ru
89.251.66.3	A+PTR	n.ugmk-telecom.ru
89.251.66.7	A+PTR	ns1.ugmk-telecom.ru
89.251.66.7	A	ns1.santur.ru
89.251.66.9	A	vpportal.ru
89.251.67.57	PTR	host-89-251-67-57.ugmk-telecom.ru
89.251.67.99	PTR	host-89-251-67-99.ugmk-telecom.ru
89.251.67.99	A	mail.rpmsel.ru
89.251.67.106	A	www.universityugmk.com
89.251.67.106	A	universityugmk.com
89.251.67.130	PTR	vpcit.ru
89.251.67.130	A	ugmk.vpcit.ru
89.251.67.240	PTR	host-89-251-67-240.ugmk-telecom.ru
89.251.67.240	A	aksite.ru
89.251.67.249	PTR	host-89-251-67-249.ugmk-telecom.ru
89.251.68.1	PTR	gw-adsl-89-251-68-1.ugmk-telecom.ru
89.251.68.82	A+PTR	uk.isnet.ru
89.251.68.82	A+PTR	mail.uk.isnet.ru
89.251.68.84	A	mx01.uralcable.ru
89.251.68.98	A+PTR	post.umbr.ru
89.251.68.100	A	mail.umbr.ru
89.251.68.100	A	ns.umbr.ru
89.251.68.106	A+PTR	mail.unitgroup.ru
89.251.68.106	A	mail.unit.e-burg.ru
89.251.68.107	PTR	host-89-251-68-107.ugmk-telecom.ru
89.251.68.107	A	mailrelay.unitgroup.ru
89.251.68.153	PTR	host-89-251-68-153.ugmk-telecom.ru
89.251.68.180	A	mail.zio.ru
89.251.68.180	A	mail.ocm.ru
89.251.68.240	PTR	host-89-251-68-240.ugmk-telecom.ru
89.251.69.10	A+PTR	mail.chermet-sk.ru
89.251.69.35	A+PTR	m.xrm.ru
89.251.69.102	A	mail.unetb.com
89.251.69.102	A	mail.stroyforum.org
89.251.69.102	A	mail.c0m3.ru
89.251.69.163	PTR	host-89-251-69-163.ugmk-telecom.ru
89.251.69.163	A	mail.uralcity.com
89.251.69.166	A	m.russiankids.ru
89.251.69.166	A	mail.russiankids.ru
89.251.69.190	A	smtp.uralkn.ru
89.251.70.3	PTR	host-89-251-70-3.ugmk-telecom.ru
89.251.70.18	PTR	host-89-251-70-18.ugmk-telecom.ru
89.251.70.34	PTR	host-89-251-70-34.ugmk-telecom.ru
89.251.70.43	PTR	host-89-251-70-43.ugmk-telecom.ru
89.251.70.48	PTR	host-89-251-70-48.ugmk-telecom.ru
89.251.70.50	PTR	host-89-251-70-50.ugmk-telecom.ru
89.251.70.51	PTR	host-89-251-70-51.ugmk-telecom.ru
89.251.70.64	PTR	host-89-251-70-64.ugmk-telecom.ru
89.251.70.66	PTR	host-89-251-70-66.ugmk-telecom.ru
89.251.70.72	PTR	host-89-251-70-72.ugmk-telecom.ru
89.251.70.74	PTR	host-89-251-70-74.ugmk-telecom.ru
89.251.70.75	PTR	host-89-251-70-75.ugmk-telecom.ru
89.251.70.82	PTR	host-89-251-70-82.ugmk-telecom.ru
89.251.70.96	PTR	host-89-251-70-96.ugmk-telecom.ru
89.251.70.112	PTR	host-89-251-70-112.ugmk-telecom.ru
89.251.70.113	PTR	host-89-251-70-113.ugmk-telecom.ru
89.251.70.115	PTR	host-89-251-70-115.ugmk-telecom.ru
89.251.70.121	PTR	host-89-251-70-121.ugmk-telecom.ru
89.251.70.161	PTR	host-89-251-70-161.ugmk-telecom.ru
89.251.70.169	PTR	host-89-251-70-169.ugmk-telecom.ru
89.251.70.171	PTR	host-89-251-70-171.ugmk-telecom.ru
89.251.70.178	PTR	host-89-251-70-178.ugmk-telecom.ru
89.251.70.184	PTR	host-89-251-70-184.ugmk-telecom.ru
89.251.70.186	PTR	host-89-251-70-186.ugmk-telecom.ru
89.251.70.187	PTR	host-89-251-70-187.ugmk-telecom.ru
89.251.70.201	PTR	host-89-251-70-201.ugmk-telecom.ru
89.251.70.203	PTR	host-89-251-70-203.ugmk-telecom.ru
89.251.70.218	PTR	host-89-251-70-218.ugmk-telecom.ru
89.251.71.70	A	johnyr.ru