Robtex

Up: 43.247.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 43.247.16.0/23
Down right: 43.247.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
43.247.16.16	A	vantaimienbac.com
43.247.16.35	A	rycfjt.com
43.247.16.229	A	www.ascglobalrecruitment.com
43.247.16.254	A	speedtest.blackfiber.com.ph
43.247.17.18	A	datacapture.com.ph
43.247.17.98	A	mail.engel.com.ph
43.247.17.218	A	2000miles.com.ph
43.247.19.12	A	ns3.blackfiberph.com
43.247.19.13	PTR	email.viveresalon.com
43.247.19.13	A	email.r2groupofcompanies.com
43.247.19.13	A	smtp.gtirecruitment.com
43.247.19.18	A	mail.nast.dost.gov.ph
43.247.19.18	A	mail.nast.ph
43.247.19.18	A	ns1.nast.ph
43.247.19.19	A	vantaimienbac.com
43.247.19.20	PTR	ngpimc.com
43.247.19.20	A+PTR	mail.ngpimc.com
43.247.19.20	A+PTR	hosting6.blackfiberph.com