Robtex

Up: 121.96.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 121.96.64.0/23
Down right: 121.96.66.0/23

IP	Type	Hostname
121.96.64.2	PTR	121.96.64.2.bti.net.ph
121.96.64.2	A	mail.bostik.com.ph
121.96.64.54	A	mail.sunstarpublishing.com
121.96.64.55	A+PTR	mail.sunstar.com.ph
121.96.64.117	A	cics.uc.edu.ph
121.96.64.138	PTR	121.96.64.138.bti.net.ph
121.96.65.165	PTR	121.96.65.165.bti.net.ph
121.96.66.218	PTR	121.96.66.218.bti.net.ph
121.96.67.102	PTR	stjude.edu.ph
121.96.67.106	A	www.stjude.edu.ph