Robtex

Up: 120.28.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 120.28.72.0/22
Down right: 120.28.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.28.72.119	A	ns3.dnslabs.org
120.28.72.145	A+PTR	smtp2.bestank.ph
120.28.72.145	A+PTR	webmail.bestank.ph
120.28.72.145	A+PTR	imap2.bestank.ph
120.28.72.228	A	hostmaster.ibis-inc.net
120.28.72.228	A	*.ibis-inc.net
120.28.72.231	PTR	mail.camayacoast.com
120.28.74.9	A	www.wsiph.com
120.28.74.42	A	mail.ocbarchitects.com
120.28.74.45	PTR	beam.com.ph
120.28.74.215	A	home.ashtondata.com
120.28.76.231	A+PTR	mx2.pozzolanic.ph
120.28.77.106	PTR	mangotree.com.ph
120.28.77.109	PTR	mail.mental.ph
120.28.77.148	PTR	webmail.profriends.com
120.28.77.214	PTR	ph.g4s.com