Robtex

Up: 82.158.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 82.158.220.0/23
Down right: 82.158.222.0/23

IP	Type	Hostname
82.158.220.28	A+PTR	82.158.220.28.dyn.user.ono.com
82.158.221.69	A+PTR	82.158.221.69.dyn.user.ono.com
82.158.221.78	A	82.158.221.78.dyn.user.ono.com
82.158.221.218	A+PTR	82.158.221.218.dyn.user.ono.com
82.158.222.204	A+PTR	82.158.222.204.dyn.user.ono.com