Robtex

Up: 176.51.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 176.51.32.0/20
Down right: 176.51.48.0/20

IP	Type	Hostname
176.51.32.167	PTR	b-internet.176.51.32.167.nsk.rt.ru
176.51.33.34	PTR	b-internet.176.51.33.34.nsk.rt.ru
176.51.33.233	PTR	b-internet.176.51.33.233.nsk.rt.ru
176.51.35.45	PTR	b-internet.176.51.35.45.nsk.rt.ru
176.51.38.15	PTR	b-internet.176.51.38.15.nsk.rt.ru
176.51.39.252	PTR	b-internet.176.51.39.252.nsk.rt.ru
176.51.40.2	PTR	b-internet.176.51.40.2.nsk.rt.ru
176.51.41.105	PTR	b-internet.176.51.41.105.nsk.rt.ru
176.51.42.37	PTR	b-internet.176.51.42.37.nsk.rt.ru
176.51.43.106	PTR	b-internet.176.51.43.106.nsk.rt.ru
176.51.43.129	PTR	b-internet.176.51.43.129.nsk.rt.ru
176.51.47.232	PTR	b-internet.176.51.47.232.nsk.rt.ru
176.51.48.2	PTR	b-internet.176.51.48.2.nsk.rt.ru
176.51.48.3	PTR	b-internet.176.51.48.3.nsk.rt.ru
176.51.48.35	PTR	b-internet.176.51.48.35.nsk.rt.ru
176.51.48.162	PTR	b-internet.176.51.48.162.nsk.rt.ru
176.51.48.192	PTR	b-internet.176.51.48.192.nsk.rt.ru
176.51.48.195	PTR	b-internet.176.51.48.195.nsk.rt.ru
176.51.49.85	PTR	b-internet.176.51.49.85.nsk.rt.ru
176.51.49.235	PTR	b-internet.176.51.49.235.nsk.rt.ru
176.51.50.101	PTR	b-internet.176.51.50.101.nsk.rt.ru
176.51.51.17	PTR	b-internet.176.51.51.17.nsk.rt.ru
176.51.52.74	PTR	b-internet.176.51.52.74.nsk.rt.ru
176.51.52.122	PTR	b-internet.176.51.52.122.nsk.rt.ru
176.51.52.184	PTR	b-internet.176.51.52.184.nsk.rt.ru
176.51.53.69	PTR	b-internet.176.51.53.69.nsk.rt.ru
176.51.53.76	PTR	b-internet.176.51.53.76.nsk.rt.ru
176.51.53.122	PTR	b-internet.176.51.53.122.nsk.rt.ru
176.51.54.99	PTR	b-internet.176.51.54.99.nsk.rt.ru
176.51.55.32	PTR	b-internet.176.51.55.32.nsk.rt.ru
176.51.58.153	PTR	b-internet.176.51.58.153.nsk.rt.ru
176.51.58.162	PTR	b-internet.176.51.58.162.nsk.rt.ru
176.51.60.47	PTR	b-internet.176.51.60.47.nsk.rt.ru
176.51.60.185	PTR	b-internet.176.51.60.185.nsk.rt.ru
176.51.60.185	A	roganof.ru
176.51.61.68	PTR	b-internet.176.51.61.68.nsk.rt.ru
176.51.62.65	PTR	b-internet.176.51.62.65.nsk.rt.ru
176.51.63.124	PTR	b-internet.176.51.63.124.nsk.rt.ru
176.51.63.133	PTR	b-internet.176.51.63.133.nsk.rt.ru