Robtex

Up: 109.194.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 109.194.80.0/21
Down right: 109.194.88.0/21

IP	Type	Hostname
109.194.80.0	PTR	109x194x80x0.dynamic.nsk.ertelecom.ru
109.194.80.1	A	rs2.nsk.ertelecom.ru
109.194.80.4	A	ns2.nsk.ertelecom.ru
109.194.80.230	A	speedtest.nsk.ertelecom.ru
109.194.80.230	A	st.nsk.ertelecom.ru
109.194.81.1	A	rs4.nsk.ertelecom.ru
109.194.81.5	A	ns4.nsk.ertelecom.ru
109.194.81.33	A+PTR	cctv.nsk.domru.ru
109.194.81.33	A	cctv.nsk.ertelecom.ru
109.194.82.181	PTR	109x194x82x181.dynamic.nsk.ertelecom.ru
109.194.84.132	PTR	109x194x84x132.dynamic.nsk.ertelecom.ru
109.194.86.109	PTR	109x194x86x109.dynamic.nsk.ertelecom.ru
109.194.86.210	PTR	109x194x86x210.dynamic.nsk.ertelecom.ru
109.194.87.165	PTR	109x194x87x165.dynamic.nsk.ertelecom.ru
109.194.87.169	PTR	109x194x87x169.dynamic.nsk.ertelecom.ru
109.194.87.231	PTR	109x194x87x231.dynamic.nsk.ertelecom.ru
109.194.88.0	PTR	109x194x88x0.dynamic.nsk.ertelecom.ru
109.194.89.76	PTR	109x194x89x76.dynamic.nsk.ertelecom.ru
109.194.89.76	A	r1---sn-xguxaxjvh-v8ce.googlevideo.com
109.194.89.76	A	r1.sn-xguxaxjvh-v8ce.googlevideo.com
109.194.89.77	PTR	109x194x89x77.dynamic.nsk.ertelecom.ru
109.194.89.77	A	r2.sn-xguxaxjvh-v8ce.googlevideo.com
109.194.89.78	PTR	109x194x89x78.dynamic.nsk.ertelecom.ru
109.194.89.78	A	r3.sn-xguxaxjvh-v8ce.googlevideo.com
109.194.90.151	PTR	109x194x90x151.dynamic.nsk.ertelecom.ru
109.194.91.23	PTR	109x194x91x23.dynamic.nsk.ertelecom.ru
109.194.92.223	PTR	109x194x92x223.dynamic.nsk.ertelecom.ru
109.194.94.35	PTR	109x194x94x35.dynamic.nsk.ertelecom.ru
109.194.95.168	PTR	109x194x95x168.dynamic.nsk.ertelecom.ru