Robtex

Up: 203.131.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.131.160.0/20
Down right: 203.131.176.0/20

IP	Type	Hostname
203.131.160.65	PTR	adsl-131.160.65.info.com.ph
203.131.160.162	PTR	adsl-131.160.162.info.com.ph
203.131.161.32	PTR	adsl-131.161.32.info.com.ph
203.131.161.96	PTR	adsl-131.161.96.info.com.ph
203.131.161.130	PTR	adsl-131.161.130.info.com.ph
203.131.162.2	PTR	adsl-131.162.2.info.com.ph
203.131.162.32	PTR	adsl-131.162.32.info.com.ph
203.131.162.67	PTR	adsl-131.162.67.info.com.ph
203.131.162.96	PTR	adsl-131.162.96.info.com.ph
203.131.163.65	PTR	adsl-131.163.65.info.com.ph
203.131.163.99	PTR	mx2.pldtglobal.com
203.131.164.4	PTR	adsl-131.164.4.info.com.ph
203.131.165.128	PTR	adsl-131.165.128.info.com.ph
203.131.165.162	PTR	adsl-131.165.162.info.com.ph
203.131.166.35	PTR	saruman.wallstreetglobal.com
203.131.166.224	PTR	adsl-131.166.224.info.com.ph
203.131.166.225	PTR	adsl-131.166.225.info.com.ph
203.131.166.226	PTR	adsl-131.166.226.info.com.ph
203.131.167.99	PTR	adsl-131.167.99.info.com.ph
203.131.169.134	A	www.bluetransport.com
203.131.169.134	A	bluetransport.com
203.131.170.98	PTR	adsl-131.170.98.info.com.ph
203.131.171.2	PTR	adsl-131.171.2.info.com.ph
203.131.171.3	PTR	adsl-131.171.3.info.com.ph
203.131.171.35	PTR	adsl-131.171.35.info.com.ph
203.131.171.65	PTR	adsl-131.171.65.info.com.ph
203.131.171.98	PTR	adsl-131.171.98.info.com.ph
203.131.171.128	PTR	adsl-131.171.128.info.com.ph
203.131.171.225	PTR	adsl-131.171.225.info.com.ph
203.131.172.3	PTR	adsl-131.172.3.info.com.ph
203.131.172.64	PTR	adsl-131.172.64.info.com.ph
203.131.172.96	PTR	adsl-131.172.96.info.com.ph
203.131.172.97	PTR	adsl-131.172.97.info.com.ph
203.131.172.98	PTR	adsl-131.172.98.info.com.ph
203.131.172.130	PTR	adsl-131.172.130.info.com.ph
203.131.172.162	PTR	adsl-131.172.162.info.com.ph
203.131.172.192	PTR	adsl-131.172.192.info.com.ph
203.131.172.193	PTR	adsl-131.172.193.info.com.ph
203.131.172.195	PTR	adsl-131.172.195.info.com.ph
203.131.173.32	PTR	adsl-131.173.32.info.com.ph
203.131.173.123	A	mail2.grmonline.com
203.131.173.128	PTR	adsl-131.173.128.info.com.ph
203.131.173.160	PTR	adsl-131.173.160.info.com.ph
203.131.174.99	PTR	adsl-131.174.99.info.com.ph
203.131.174.192	PTR	adsl-131.174.192.info.com.ph
203.131.174.213	A	modernmediasolutions.com
203.131.174.213	A	mail.modernmediasolutions.com
203.131.176.67	PTR	adsl-131.176.67.info.com.ph
203.131.177.34	PTR	adsl-131.177.34.info.com.ph
203.131.177.161	PTR	adsl-131.177.161.info.com.ph
203.131.178.162	PTR	adsl-131.178.162.info.com.ph
203.131.180.123	A	socalcoastproperties.com
203.131.181.34	PTR	adsl-131.181.34.info.com.ph
203.131.181.224	PTR	adsl-131.181.224.info.com.ph
203.131.182.192	PTR	adsl-131.182.192.info.com.ph
203.131.183.225	PTR	adsl-131.183.225.info.com.ph
203.131.184.50	A	mail02.blackguam.com
203.131.185.34	PTR	adsl-131.185.34.info.com.ph
203.131.185.134	A	colortree.com.ph
203.131.185.161	PTR	adsl-131.185.161.info.com.ph
203.131.186.194	A	mail2.jcli.com
203.131.188.224	PTR	adsl-131.188.224.info.com.ph
203.131.188.227	PTR	adsl-131.188.227.info.com.ph