Robtex

Up: 79.137.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 79.137.240.0/21
Down right: 79.137.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.137.246.201	A+PTR	relay21.winflevoland.us
79.137.250.32	PTR	sys-a12.emperorforearm.com
79.137.250.37	PTR	mail.365-cloud.ru
79.137.254.23	PTR	mail.i-favorite.com
79.137.254.23	A	ifavoritekids.ru
79.137.254.23	A	edu-domoi.ru