Robtex

Up: 109.194.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 109.194.240.0/21
Down right: 109.194.248.0/21

IP	Type	Hostname
109.194.240.0	PTR	109x194x240x0.dynamic.nn.ertelecom.ru
109.194.240.210	PTR	109x194x240x210.dynamic.nn.ertelecom.ru
109.194.240.226	PTR	109x194x240x226.dynamic.irkutsk.ertelecom.ru
109.194.242.49	PTR	109x194x242x49.dynamic.nn.ertelecom.ru
109.194.243.97	PTR	109x194x243x97.dynamic.nn.ertelecom.ru
109.194.244.50	PTR	109x194x244x50.dynamic.nn.ertelecom.ru
109.194.244.163	PTR	109x194x244x163.dynamic.nn.ertelecom.ru
109.194.245.51	PTR	109x194x245x51.dynamic.nn.ertelecom.ru
109.194.246.51	PTR	109x194x246x51.dynamic.irkutsk.ertelecom.ru
109.194.246.83	PTR	109x194x246x83.dynamic.nn.ertelecom.ru
109.194.246.97	PTR	109x194x246x97.dynamic.nn.ertelecom.ru
109.194.247.64	PTR	109x194x247x64.dynamic.nn.ertelecom.ru
109.194.247.99	PTR	109x194x247x99.dynamic.nn.ertelecom.ru
109.194.248.0	PTR	109x194x248x0.dynamic.nn.ertelecom.ru
109.194.248.32	PTR	109x194x248x32.dynamic.nn.ertelecom.ru
109.194.248.64	PTR	109x194x248x64.dynamic.nn.ertelecom.ru
109.194.248.178	PTR	109x194x248x178.dynamic.nn.ertelecom.ru
109.194.249.19	PTR	109x194x249x19.dynamic.nn.ertelecom.ru
109.194.249.194	PTR	109x194x249x194.dynamic.nn.ertelecom.ru
109.194.250.34	PTR	109x194x250x34.dynamic.nn.ertelecom.ru
109.194.250.82	PTR	109x194x250x82.dynamic.nn.ertelecom.ru
109.194.251.34	PTR	109x194x251x34.dynamic.nn.ertelecom.ru
109.194.251.81	PTR	109x194x251x81.dynamic.nn.ertelecom.ru
109.194.251.96	PTR	109x194x251x96.dynamic.nn.ertelecom.ru
109.194.253.64	PTR	109x194x253x64.dynamic.nn.ertelecom.ru
109.194.253.163	PTR	109x194x253x163.dynamic.nn.ertelecom.ru
109.194.254.144	PTR	109x194x254x144.dynamic.nn.ertelecom.ru
109.194.255.48	PTR	109x194x255x48.dynamic.nn.ertelecom.ru
109.194.255.83	PTR	109x194x255x83.dynamic.nn.ertelecom.ru