Robtex

Up: 203.177.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.177.213.0/25
Down right: 203.177.213.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.177.213.74	A+PTR	exas.com.ph
203.177.213.122	A+PTR	cebuserver.hydesails.com.ph
203.177.213.226	PTR	pears.csc.gov.ph
203.177.213.226	PTR	webapp.csc.gov.ph
203.177.213.226	PTR	enosa.csc.gov.ph
203.177.213.227	PTR	mail2.csc.gov.ph
203.177.213.227	A+PTR	webmail1.csc.gov.ph