Robtex

Up: 194.63.156.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.63.156.0/25
Down right: 194.63.156.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.63.156.1	PTR	host001.net156.nt55.ru
194.63.156.7	A+PTR	ns3.nt55.ru
194.63.156.7	A	ns.rnetomsk.net
194.63.156.7	A	ns.newtt.ru
194.63.156.10	PTR	nas.nt55.ru
194.63.156.10	A	bantex.dk
194.63.156.10	A	bantex.eu
194.63.156.12	PTR	host012.net156.nt55.ru
194.63.156.20	A	relay1-cph1.comendo.dk
194.63.156.21	A	relay2-cph1.comendo.dk
194.63.156.22	A	relay3-cph1.comendo.dk
194.63.156.23	A	relay4-cph1.comendo.dk
194.63.156.24	PTR	host024.net156.nt55.ru
194.63.156.24	A	relay5-cph1.comendo.dk
194.63.156.25	A	server1.pcfence.dk
194.63.156.30	PTR	host030.net156.nt55.ru
194.63.156.30	A	relay6-cph1.comendo.dk
194.63.156.31	A	relay7-cph1.comendo.dk
194.63.156.32	A	relay8-cph1.comendo.dk
194.63.156.33	A	ns.nt55.ru
194.63.156.33	A	ns2.newtt.ru
194.63.156.33	A	relay9-cph1.comendo.dk
194.63.156.34	A+PTR	service.nt55.ru
194.63.156.34	A	nt55.ru
194.63.156.34	A	bill.nt55.ru
194.63.156.65	PTR	host065.net156.nt55.ru
194.63.156.65	A	ns1.newtt.ru
194.63.156.91	A	mx.newtt.ru
194.63.156.93	A+PTR	mx.rnetomsk.net
194.63.156.93	A+PTR	post.rnetomsk.net
194.63.156.93	A+PTR	mx.nt55.ru
194.63.156.130	PTR	host130.net156.nt55.ru
194.63.156.130	A	incoming-postscan.comendo.dk
194.63.156.131	PTR	host131.net156.nt55.ru
194.63.156.131	A	outgoing-postscan.comendo.dk
194.63.156.253	PTR	host253.net156.nt55.ru
194.63.156.254	A+PTR	client.nat.nt55.ru