Robtex

Up: 163.121.132.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 163.121.133.0/25
Down right: 163.121.133.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.121.133.146	A	bright-sky-lxr.com.eg
163.121.133.147	PTR	host-163.121.133.147.tedata.net
163.121.133.147	A	mail.bright-sky-lxr.com.eg
163.121.133.197	PTR	mail.getgroup.com
163.121.133.226	PTR	mail.ntsegypt.com
163.121.133.226	A	mail.noriaresort.net
163.121.133.226	A	mail.ntsnilecruises.com
163.121.133.228	PTR	host-163.121.133.228.tedata.net
163.121.133.228	A	mail.ntsegypt.net