Robtex

Up: 194.0.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.0.120.0/23
Down right: 194.0.122.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.0.120.14	PTR	nsk.aktor.su
194.0.120.50	A+PTR	mail.plu.ru
194.0.120.198	PTR	mx.shamrock-games.ru
194.0.120.198	PTR	mx.shamrock-mobile.ru
194.0.120.198	A	mail.openhd.ru
194.0.121.4	PTR	cust14.nir-telecom.ru
194.0.121.17	PTR	cust117.nir-telecom.ru
194.0.121.34	PTR	stwall.sicex.ru
194.0.121.35	PTR	zubr.sicex.ru
194.0.121.36	A	dcv54.ru
194.0.121.37	A	dcv54.ru
194.0.121.38	PTR	cust138.nir-telecom.ru
194.0.121.161	PTR	constellationofhearts.com
194.0.121.161	PTR	medcenter-polar.com
194.0.121.161	PTR	okeanweb.com
194.0.122.34	A	mx.nsk-forpost.ru
194.0.122.34	A	ns.nsk-forpost.ru
194.0.122.42	A	mx0.2100010.ru
194.0.122.52	PTR	cust252.nir-telecom.ru
194.0.122.62	PTR	cust262.nir-telecom.ru
194.0.122.86	PTR	mail.asint.ru
194.0.122.86	A	ns1.asint.ru
194.0.122.96	PTR	cust296.nir-telecom.ru
194.0.122.115	PTR	cniiplk.ru
194.0.122.126	A+PTR	mail.geosib.ru
194.0.122.154	PTR	cust2154.nir-telecom.ru
194.0.122.154	A	mail.respect-nsk.ru
194.0.123.2	A	mail.sidak-nsk.ru
194.0.123.6	PTR	cust36.nir-telecom.ru
194.0.123.7	PTR	cust37.nir-telecom.ru
194.0.123.14	A	gmp-nsk.ru
194.0.123.30	A	mail.namerenie.com
194.0.123.70	PTR	cust370.nir-telecom.ru
194.0.123.70	A	ns2.dvi.su
194.0.123.70	A	ns2.pelmenissimo.su
194.0.123.86	PTR	market-play.ru
194.0.123.106	PTR	mx10.t-komp.ru
194.0.123.142	PTR	cust3142.nir-telecom.ru
194.0.123.178	A	mail.stroitex.ru
194.0.123.192	PTR	cust3192.nir-telecom.ru
194.0.123.254	PTR	mail.logos-group.ru
194.0.123.254	A	mail2.logos-group.ru
194.0.123.255	PTR	cust3255.nir-telecom.ru