Robtex

Up: 109.194.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 109.194.164.0/23
Down right: 109.194.166.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.194.164.47	PTR	109x194x164x47.dynamic.tmn.ertelecom.ru
109.194.164.87	PTR	109x194x164x87.dynamic.tmn.ertelecom.ru
109.194.164.128	PTR	109x194x164x128.dynamic.tmn.ertelecom.ru
109.194.164.200	PTR	109x194x164x200.dynamic.tmn.ertelecom.ru
109.194.165.51	PTR	109x194x165x51.dynamic.tmn.ertelecom.ru
109.194.165.57	PTR	109x194x165x57.dynamic.tmn.ertelecom.ru
109.194.165.59	PTR	109x194x165x59.dynamic.tmn.ertelecom.ru
109.194.165.87	PTR	109x194x165x87.dynamic.tmn.ertelecom.ru
109.194.165.92	PTR	109x194x165x92.dynamic.tmn.ertelecom.ru
109.194.165.95	PTR	109x194x165x95.dynamic.tmn.ertelecom.ru
109.194.165.190	PTR	109x194x165x190.dynamic.tmn.ertelecom.ru
109.194.165.220	PTR	109x194x165x220.dynamic.tmn.ertelecom.ru
109.194.166.8	A+PTR	em.itmega.ru
109.194.166.15	A	er1.nimak.ru
109.194.166.15	A	er.nimak.ru
109.194.166.42	PTR	109x194x166x42.dynamic.tmn.ertelecom.ru
109.194.166.42	A	mail.telesem72.ru
109.194.166.42	A	telesem72.ru
109.194.166.49	PTR	109x194x166x49.dynamic.tmn.ertelecom.ru
109.194.166.49	A	m.megatyumen.ru
109.194.166.49	A	news.megatyumen.ru
109.194.166.51	PTR	109x194x166x51.dynamic.tmn.ertelecom.ru
109.194.166.85	A	mail.uni-heat.ru
109.194.166.85	A	mail.xn--h1aanwn5c.xn--p1ai
109.194.166.89	PTR	109x194x166x89.dynamic.tmn.ertelecom.ru
109.194.166.89	A	mail.ptp72.ru
109.194.166.89	A	mail.ptp-tyumen.ru
109.194.166.98	A	xn----jtbajcajdjd3aa8ageehb4g2a9lya.xn--p1ai
109.194.166.98	A	www.xn----jtbajcajdjd3aa8ageehb4g2a9lya.xn--p1ai
109.194.166.104	PTR	109x194x166x104.dynamic.tmn.ertelecom.ru
109.194.166.104	A	mail.doctor-albus.ru
109.194.166.104	A	idmegapolis.ru
109.194.166.110	PTR	109x194x166x110.dynamic.tmn.ertelecom.ru
109.194.166.111	PTR	109x194x166x111.dynamic.tmn.ertelecom.ru
109.194.166.114	A	congroup.ru
109.194.166.119	PTR	109x194x166x119.dynamic.tmn.ertelecom.ru
109.194.166.119	A	univim.ru
109.194.166.124	A	mail.komandor-tmn.ru
109.194.166.129	A+PTR	npo-fsa.ru
109.194.166.129	A	mx.npo-fsa.ru
109.194.166.153	PTR	109x194x166x153.dynamic.tmn.ertelecom.ru
109.194.166.153	A	mail.pioner72.ru
109.194.167.255	PTR	109x194x167x255.dynamic.tmn.ertelecom.ru