Robtex

Up: 121.97.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 121.97.79.0/25
Down right: 121.97.79.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.97.79.59	PTR	cache.tnkc-rohq.ph
121.97.79.59	A	mail.virsyslink.com
121.97.79.59	A	jbdnet.com
121.97.79.61	PTR	mx1.tnkc-rohq.ph
121.97.79.61	A	bti.virsyslink.com
121.97.79.61	A	xsa.virsyslink.com
121.97.79.62	A+PTR	mail.tnkc-rohq.ph
121.97.79.62	A	tnkc-rohq.ph
121.97.79.62	A	smtp.tnkc-rohq.ph
121.97.79.159	PTR	121.97.79.159.bti.net.ph