Robtex

Up: 89.104.104.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 89.104.108.0/23
Down right: 89.104.110.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.104.108.10	PTR	mail.makar-co.ru
89.104.108.11	PTR	ip-11.108.104.89.net.unnet.ru
89.104.108.11	A	mx-b1.service-logistics.ru
89.104.108.84	PTR	ip-84.108.104.89.net.unnet.ru
89.104.108.84	A	brain-storming.ru
89.104.108.84	A	ou.ru
89.104.108.165	PTR	epap.ru
89.104.108.178	PTR	ip-178.108.104.89.net.unnet.ru
89.104.108.178	A	ns1.fredtec.ru
89.104.108.178	A	ns.ort.spb.ru
89.104.108.179	PTR	srv-ex.ortspb.ort.spb.ru
89.104.108.180	PTR	ip-180.108.104.89.net.unnet.ru
89.104.108.180	A	relay.ort.spb.ru
89.104.108.180	A	gate-n.ort.spb.ru
89.104.108.194	A+PTR	neptun.taleon.ru
89.104.108.194	A	debian.taleon.ru
89.104.108.196	A	neptun-mx.taleon.ru
89.104.108.197	PTR	debian.taleon.ru
89.104.109.255	PTR	ip-255.109.104.89.net.unnet.ru
89.104.110.228	PTR	ip-228.110.104.89.net.unnet.ru
89.104.110.228	A	medianect.com
89.104.110.228	A	specifichosting.com
89.104.111.5	PTR	ip-5.111.104.89.net.unnet.ru
89.104.111.10	PTR	ip-10.111.104.89.net.unnet.ru
89.104.111.13	PTR	ip-13.111.104.89.net.unnet.ru
89.104.111.21	PTR	ip-21.111.104.89.net.unnet.ru
89.104.111.37	PTR	ip-37.111.104.89.net.unnet.ru
89.104.111.44	PTR	ip-44.111.104.89.net.unnet.ru
89.104.111.47	PTR	ip-47.111.104.89.net.unnet.ru
89.104.111.71	PTR	ip-71.111.104.89.net.unnet.ru
89.104.111.80	PTR	ip-80.111.104.89.net.unnet.ru
89.104.111.95	PTR	ip-95.111.104.89.net.unnet.ru
89.104.111.105	PTR	ip-105.111.104.89.net.unnet.ru
89.104.111.111	PTR	ip-111.111.104.89.net.unnet.ru
89.104.111.113	PTR	ip-113.111.104.89.net.unnet.ru
89.104.111.125	PTR	ip-125.111.104.89.net.unnet.ru
89.104.111.143	PTR	ip-143.111.104.89.net.unnet.ru
89.104.111.169	PTR	ip-169.111.104.89.net.unnet.ru
89.104.111.171	PTR	ip-171.111.104.89.net.unnet.ru
89.104.111.177	PTR	ip-177.111.104.89.net.unnet.ru
89.104.111.178	PTR	ip-178.111.104.89.net.unnet.ru
89.104.111.180	PTR	ip-180.111.104.89.net.unnet.ru
89.104.111.181	PTR	ip-181.111.104.89.net.unnet.ru
89.104.111.183	PTR	ip-183.111.104.89.net.unnet.ru
89.104.111.186	PTR	ip-186.111.104.89.net.unnet.ru
89.104.111.187	PTR	ip-187.111.104.89.net.unnet.ru
89.104.111.193	PTR	ip-193.111.104.89.net.unnet.ru
89.104.111.221	PTR	ip-221.111.104.89.net.unnet.ru
89.104.111.224	PTR	ip-224.111.104.89.net.unnet.ru
89.104.111.233	PTR	ip-233.111.104.89.net.unnet.ru
89.104.111.238	PTR	ip-238.111.104.89.net.unnet.ru