Robtex

Up: 194.67.120.0/23
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Down left: 194.67.121.0/25
Down right: 194.67.121.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.67.121.0	PTR	isan.troitsk.ru
194.67.121.28	A	llsp304.isan.troitsk.ru
194.67.121.30	PTR	raman217.isan.troitsk.ru
194.67.121.76	PTR	ups-lab.isan.troitsk.ru
194.67.121.122	PTR	femto-n.isan.troitsk.ru
194.67.121.123	PTR	femto-as.isan.troitsk.ru
194.67.121.129	A+PTR	ns.isan.troitsk.ru
194.67.121.129	A	isan.troitsk.ru
194.67.121.129	A	xn--80apqo.xn--p1ai
194.67.121.137	PTR	atomopt.isan.troitsk.ru
194.67.121.147	PTR	photobio.isan.troitsk.ru
194.67.121.148	PTR	spectre.isan.troitsk.ru
194.67.121.156	PTR	tumanov.isan.troitsk.ru
194.67.121.162	PTR	conversion.isan.troitsk.ru
194.67.121.163	PTR	priemnaia.isan.troitsk.ru
194.67.121.178	PTR	nanolit.isan.troitsk.ru
194.67.121.192	PTR	subn-serv.isan.troitsk.ru
194.67.121.195	PTR	hp321.isan.troitsk.ru
194.67.121.195	A	spectroscopy.su
194.67.121.195	A	iwqo2015.ru
194.67.121.222	PTR	ryabovhome.isan.troitsk.ru
194.67.121.251	PTR	rezerv.isan.troitsk.ru