Robtex

Up: 202.73.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 202.73.168.0/22
Down right: 202.73.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.73.168.42	PTR	sandzmnla.sandz.com.ph
202.73.168.45	PTR	ftp.exceedsi.com
202.73.168.72	A	www.petron.net.cn
202.73.168.72	A	www.petron.hk
202.73.168.72	A	www.petron.com.hk
202.73.168.114	PTR	mail.dls.com.ph
202.73.168.115	PTR	mail2.dls.com.ph
202.73.168.210	PTR	mail.mlc-group.com
202.73.168.218	PTR	server1.publicis-ama.com
202.73.168.220	PTR	server3.publicis-ama.com
202.73.169.3	PTR	mailer.wizardsgroup.com
202.73.169.52	PTR	visp.broadbandphilippines.com
202.73.169.58	PTR	opi-smtp.organon.ph
202.73.169.162	PTR	bb-mdua.broadbandphilippines.com
202.73.169.182	PTR	bluesky.bluesky-data.com.ph
202.73.170.2	PTR	rodelgroup.com
202.73.170.2	PTR	mail.rodelgroup.com
202.73.170.53	PTR	mail.cheqlabs.com
202.73.170.53	PTR	mail.cheqsystems.com
202.73.170.65	PTR	amerop.com.ph
202.73.170.80	PTR	nexustech.com.ph
202.73.170.82	PTR	ns2.nexustech.com.ph
202.73.170.83	PTR	ns3.nexustech.com.ph
202.73.170.152	PTR	mail1.ltpsystems.com
202.73.170.153	PTR	mail2.ltpsystems.com
202.73.170.231	PTR	mail.athenaeservices.com
202.73.172.71	PTR	audrey.broadbandphilippines.com
202.73.172.82	A	mx2.petron.org
202.73.172.90	PTR	mx2.petron.com
202.73.172.194	PTR	uranus.dotenable.com
202.73.172.201	PTR	messageone.dotenable.com
202.73.172.203	PTR	gateway.dotenable.com
202.73.172.250	PTR	ns-apex01.apexmnl.com.ph
202.73.173.44	PTR	mx1.psbank.com.ph
202.73.173.185	PTR	ns2.psbank.com.ph
202.73.173.185	PTR	www.psbank.com.ph
202.73.175.170	PTR	mail.sumifru.com.ph