Robtex

Up: 117.18.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 117.18.240.0/21
Down right: 117.18.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.18.240.10	PTR	ns2.zaskin.com
117.18.240.10	A	dns1.zaskin.co.uk
117.18.240.10	A	iaim.co.uk
117.18.240.12	PTR	ns1.zaskin.com
117.18.242.10	A+PTR	zaskin.com
117.18.242.10	A+PTR	nigsun.net
117.18.242.10	PTR	ns2.zaskin.com