Robtex

Up: 109.198.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 109.198.72.0/22
Down right: 109.198.76.0/22

IP	Type	Hostname
109.198.72.0	PTR	0-72-198-109.cable.intramail.ru
109.198.72.233	PTR	233-72-198-109.cable.intramail.ru
109.198.76.24	PTR	24-76-198-109.cable.intramail.ru
109.198.77.25	PTR	25-77-198-109.cable.intramail.ru
109.198.79.56	PTR	56-79-198-109.cable.intramail.ru