Robtex

Up: 203.131.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.131.128.0/20
Down right: 203.131.144.0/20

IP	Type	Hostname
203.131.128.3	PTR	adsl-131.128.3.info.com.ph
203.131.128.33	PTR	adsl-131.128.33.info.com.ph
203.131.128.35	PTR	adsl-131.128.35.info.com.ph
203.131.128.131	PTR	adsl-131.128.131.info.com.ph
203.131.128.225	PTR	adsl-131.128.225.info.com.ph
203.131.128.226	PTR	adsl-131.128.226.info.com.ph
203.131.129.97	PTR	adsl-131.129.97.info.com.ph
203.131.130.163	PTR	adsl-131.130.163.info.com.ph
203.131.131.128	PTR	adsl-131.131.128.info.com.ph
203.131.132.2	PTR	tac01.tgairways.com
203.131.132.34	PTR	adsl-131.132.34.info.com.ph
203.131.132.66	PTR	adsl-131.132.66.info.com.ph
203.131.132.173	A	ns.kff.ph
203.131.132.173	A	mail.kff.ph
203.131.133.128	PTR	adsl-131.133.128.info.com.ph
203.131.133.193	PTR	adsl-131.133.193.info.com.ph
203.131.133.194	PTR	adsl-131.133.194.info.com.ph
203.131.133.195	PTR	adsl-131.133.195.info.com.ph
203.131.134.32	PTR	adsl-131.134.32.info.com.ph
203.131.134.66	PTR	adsl-131.134.66.info.com.ph
203.131.134.192	PTR	adsl-131.134.192.info.com.ph
203.131.135.64	PTR	adsl-131.135.64.info.com.ph
203.131.135.99	PTR	adsl-131.135.99.info.com.ph
203.131.135.130	PTR	adsl-131.135.130.info.com.ph
203.131.135.161	PTR	adsl-131.135.161.info.com.ph
203.131.136.4	PTR	adsl-131.136.4.info.com.ph
203.131.136.35	PTR	adsl-131.136.35.info.com.ph
203.131.136.45	A	bunniesfield.com
203.131.136.66	PTR	adsl-131.136.66.info.com.ph
203.131.136.131	PTR	adsl-131.136.131.info.com.ph
203.131.136.195	PTR	adsl-131.136.195.info.com.ph
203.131.136.227	PTR	adsl-131.136.227.info.com.ph
203.131.137.193	PTR	adsl-131.137.193.info.com.ph
203.131.138.66	PTR	adsl-131.138.66.info.com.ph
203.131.139.2	PTR	adsl-131.139.2.info.com.ph
203.131.139.65	PTR	adsl-131.139.65.info.com.ph
203.131.139.159	A	mail2.thefoto.biz
203.131.139.160	PTR	adsl-131.139.160.info.com.ph
203.131.139.225	PTR	adsl-131.139.225.info.com.ph
203.131.139.226	PTR	adsl-131.139.226.info.com.ph
203.131.140.180	A	mail.boardwalk.com.ph
203.131.140.192	PTR	adsl-131.140.192.info.com.ph
203.131.140.193	PTR	adsl-131.140.193.info.com.ph
203.131.142.66	PTR	adsl-131.142.66.info.com.ph
203.131.142.97	PTR	adsl-131.142.97.info.com.ph
203.131.142.98	PTR	adsl-131.142.98.info.com.ph
203.131.142.129	PTR	adsl-131.142.129.info.com.ph
203.131.142.160	PTR	adsl-131.142.160.info.com.ph
203.131.142.227	PTR	adsl-131.142.227.info.com.ph
203.131.143.66	PTR	adsl-131.143.66.info.com.ph
203.131.143.128	PTR	adsl-131.143.128.info.com.ph
203.131.144.36	PTR	adsl-131.144.36.info.com.ph
203.131.144.64	PTR	adsl-131.144.64.info.com.ph
203.131.144.67	PTR	adsl-131.144.67.info.com.ph
203.131.144.99	PTR	adsl-131.144.99.info.com.ph
203.131.144.162	PTR	adsl-131.144.162.info.com.ph
203.131.144.195	PTR	adsl-131.144.195.info.com.ph
203.131.145.129	PTR	adsl-131.145.129.info.com.ph
203.131.145.195	PTR	adsl-131.145.195.info.com.ph
203.131.146.32	PTR	adsl-131.146.32.info.com.ph
203.131.146.194	PTR	adsl-131.146.194.info.com.ph
203.131.147.32	PTR	adsl-131.147.32.info.com.ph
203.131.147.35	PTR	adsl-131.147.35.info.com.ph
203.131.147.96	PTR	adsl-131.147.96.info.com.ph
203.131.147.130	PTR	adsl-131.147.130.info.com.ph
203.131.147.163	PTR	adsl-131.147.163.info.com.ph
203.131.148.66	PTR	adsl-131.148.66.info.com.ph
203.131.148.224	PTR	adsl-131.148.224.info.com.ph
203.131.149.2	PTR	adsl-131.149.2.info.com.ph
203.131.149.97	PTR	adsl-131.149.97.info.com.ph
203.131.149.224	PTR	adsl-131.149.224.info.com.ph
203.131.150.34	PTR	adsl-131.150.34.info.com.ph
203.131.150.162	PTR	adsl-131.150.162.info.com.ph
203.131.151.189	A	ras.lacty.com.vn
203.131.151.192	PTR	adsl-131.151.192.info.com.ph
203.131.151.193	PTR	adsl-131.151.193.info.com.ph
203.131.152.18	A	mail.focusventures.com.ph
203.131.152.19	A	focusglobalinc.com
203.131.152.128	PTR	adsl-131.152.128.info.com.ph
203.131.153.65	PTR	adsl-131.153.65.info.com.ph
203.131.154.97	PTR	adsl-131.154.97.info.com.ph
203.131.154.193	PTR	adsl-131.154.193.info.com.ph
203.131.156.32	PTR	adsl-131.156.32.info.com.ph
203.131.157.35	PTR	adsl-131.157.35.info.com.ph
203.131.158.193	PTR	adsl-131.158.193.info.com.ph
203.131.158.199	A	mail.mesco.com.ph
203.131.159.16	A	smtp.dic.com.ph