Robtex

Up: 163.121.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 163.121.192.0/19
Down right: 163.121.224.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.121.193.0	PTR	host-163.121.193.0.tedata.net
163.121.195.136	A	mail.elnada-agri.com
163.121.210.130	PTR	host-163.121.210.130.tedata.net
163.121.212.128	PTR	rambb
163.121.237.106	A	mail.banknetics.com
163.121.237.133	A	mailgate.sumed.org
163.121.237.135	A	ns.unghimex.com
163.121.237.135	A	sumed.org
163.121.237.137	A	mail.sumed.org
163.121.237.194	PTR	host-163.121.237.194.tedata.net
163.121.237.195	PTR	host-163.121.237.195.tedata.net
163.121.237.195	A	brightskytravel.biz
163.121.237.195	A	brightskytravel.net
163.121.246.10	A	as.tedata.net
163.121.250.0	PTR	host-163.121.250.0.tedata.net
163.121.250.2	PTR	tedata.net
163.121.250.4	A	vpn.tedata.net