Robtex

Up: 188.235.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 188.235.120.0/22
Down right: 188.235.124.0/22

IP	Type	Hostname
188.235.120.205	PTR	net120.235.188-205.ertelecom.ru
188.235.120.205	PTR	dynamicip-188-235-120-205.pppoe.saratov.ertelecom.ru
188.235.122.192	PTR	net122.235.188-192.ertelecom.ru
188.235.122.192	PTR	dynamicip-188-235-122-192.pppoe.saratov.ertelecom.ru
188.235.122.200	PTR	net122.235.188-200.ertelecom.ru
188.235.122.200	PTR	dynamicip-188-235-122-200.pppoe.saratov.ertelecom.ru
188.235.126.116	PTR	net126.235.188-116.ertelecom.ru
188.235.126.116	PTR	dynamicip-188-235-126-116.pppoe.saratov.ertelecom.ru
188.235.126.119	PTR	net126.235.188-119.ertelecom.ru
188.235.126.119	PTR	dynamicip-188-235-126-119.pppoe.saratov.ertelecom.ru