Robtex

Up: 116.50.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 116.50.192.0/20
Down right: 116.50.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
116.50.192.34	PTR	34.192.50.116.dsl.service.eastern-tele.com
116.50.192.227	PTR	227.192.50.116.dsl.service.eastern-tele.com
116.50.193.1	PTR	1.193.50.116.dsl.service.eastern-tele.com
116.50.193.131	PTR	131.193.50.116.dsl.service.eastern-tele.com
116.50.193.224	PTR	224.193.50.116.dsl.service.eastern-tele.com
116.50.193.226	PTR	226.193.50.116.dsl.service.eastern-tele.com
116.50.195.67	PTR	67.195.50.116.dsl.service.eastern-tele.com
116.50.195.96	PTR	96.195.50.116.dsl.service.eastern-tele.com
116.50.195.98	PTR	98.195.50.116.dsl.service.eastern-tele.com
116.50.203.58	A	mail2.teligent.com.ph
116.50.203.106	A	mail.mesco.com.ph
116.50.203.126	A	aagatravel.com
116.50.203.226	PTR	etpi.mercanrecruit.com
116.50.204.34	PTR	34.204.50.116.dsl.service.eastern-tele.com
116.50.204.96	PTR	96.204.50.116.dsl.service.eastern-tele.com
116.50.204.163	PTR	163.204.50.116.dsl.service.eastern-tele.com
116.50.204.225	PTR	225.204.50.116.dsl.service.eastern-tele.com
116.50.204.226	PTR	226.204.50.116.dsl.service.eastern-tele.com
116.50.205.97	PTR	97.205.50.116.dsl.service.eastern-tele.com
116.50.205.128	PTR	128.205.50.116.dsl.service.eastern-tele.com
116.50.205.161	PTR	161.205.50.116.dsl.service.eastern-tele.com
116.50.205.194	PTR	194.205.50.116.dsl.service.eastern-tele.com
116.50.206.4	PTR	4.206.50.116.dsl.service.eastern-tele.com
116.50.206.67	PTR	67.206.50.116.dsl.service.eastern-tele.com
116.50.209.4	PTR	4.209.50.116.dsl.service.eastern-tele.com
116.50.209.130	PTR	130.209.50.116.dsl.service.eastern-tele.com
116.50.210.35	PTR	35.210.50.116.dsl.service.eastern-tele.com
116.50.210.66	PTR	66.210.50.116.dsl.service.eastern-tele.com
116.50.210.128	PTR	128.210.50.116.dsl.service.eastern-tele.com
116.50.210.226	PTR	226.210.50.116.dsl.service.eastern-tele.com
116.50.211.50	A	mx1.tsfsp.com
116.50.211.90	A	mpi.net.ph
116.50.211.138	A	citadelci.com
116.50.212.186	A	www.singaship.ph
116.50.212.186	A	smtp.singaship.ph
116.50.212.186	A	singaship.ph
116.50.214.3	PTR	3.214.50.116.dsl.service.eastern-tele.com
116.50.214.130	PTR	130.214.50.116.dsl.service.eastern-tele.com
116.50.214.193	PTR	193.214.50.116.dsl.service.eastern-tele.com
116.50.215.94	A	zmail15.pioneer.com.ph
116.50.216.3	A	ksa2k.theenterprisecenter.com.ph
116.50.216.6	PTR	6.216.50.116.dsl.service.eastern-tele.com
116.50.216.6	A	mx2.therisemakati.com
116.50.216.6	A	mx2.oneshangri-laplace.com
116.50.216.108	A	mail.saemed.com
116.50.216.109	PTR	109.216.50.116.dsl.service.static.eastern-tele.com
116.50.216.109	A	saemed.com
116.50.216.147	PTR	147.216.50.116.dsl.service.eastern-tele.com
116.50.216.157	PTR	157.216.50.116.dsl.service.eastern-tele.com
116.50.216.203	A+PTR	zimbra.philstaff.ph
116.50.216.203	A	mx.philstaff.ph
116.50.217.33	PTR	33.217.50.116.dsl.service.eastern-tele.com
116.50.218.64	PTR	64.218.50.116.unassigned.static.etpi.network
116.50.218.97	PTR	97.218.50.116.unassigned.static.etpi.network
116.50.218.98	PTR	98.218.50.116.unassigned.static.etpi.network
116.50.218.129	PTR	129.218.50.116.unassigned.static.etpi.network
116.50.219.97	PTR	97.219.50.116.dsl.service.eastern-tele.com
116.50.219.162	PTR	162.219.50.116.dsl.service.eastern-tele.com
116.50.220.227	PTR	227.220.50.116.dsl.service.eastern-tele.com
116.50.221.67	PTR	jscon.com.ph
116.50.222.162	PTR	162.222.50.116.dsl.service.eastern-tele.com
116.50.223.131	PTR	131.223.50.116.ids.service.eastern-tele.com
116.50.223.226	PTR	mail.sumisetsu.com.ph