Robtex

Up: 121.97.146.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 121.97.147.0/25
Down right: 121.97.147.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.97.147.27	PTR	121.97.147.27.bti.net.ph
121.97.147.30	PTR	121.97.147.30.bti.net.ph
121.97.147.30	A	mail.colourfieldland.com
121.97.147.30	A	belmontofficesolutions.com
121.97.147.103	A+PTR	mail2.matimco.com
121.97.147.168	PTR	121.97.147.168.bti.net.ph
121.97.147.168	A	mail.philpost7.com
121.97.147.194	PTR	121.97.147.194.bti.net.ph
121.97.147.194	A	mail7.awsys-i.com