Robtex

Up: 181.236.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 181.238.0.0/16
Down right: 181.239.0.0/16

IP	Type	Hostname
181.238.5.2	PTR	host2.181-238-5.telmex.net.ar
181.238.15.2	PTR	host2.181-238-15.telmex.net.ar
181.238.17.2	PTR	host2.181-238-17.telmex.net.ar
181.238.18.2	PTR	host2.181-238-18.telmex.net.ar
181.238.20.2	PTR	host2.181-238-20.telmex.net.ar
181.238.21.2	PTR	host2.181-238-21.telmex.net.ar
181.238.23.2	PTR	host2.181-238-23.telmex.net.ar
181.238.25.2	PTR	host2.181-238-25.telmex.net.ar
181.238.36.2	PTR	host2.181-238-36.telmex.net.ar
181.238.145.247	PTR	host247.181-238-145.claro.com.py
181.238.149.166	PTR	host166.181-238-149.telmex.net.ar
181.238.187.46	PTR	host46.181-238-187.claro.com.py
181.238.187.46	A	quotidiensembler.ooo
181.238.194.34	PTR	host34.181-238-194.telmex.net.ar
181.238.230.147	PTR	host147.181-238-230.claro.com.py
181.239.2.58	PTR	host58.181-239-2.telmex.net.ar
181.239.4.240	PTR	host240.181-239-4.telmex.net.ar
181.239.5.172	PTR	host172.181-239-5.telmex.net.ar
181.239.10.55	PTR	host55.181-239-10.telmex.net.ar
181.239.13.2	PTR	host2.181-239-13.telmex.net.ar
181.239.14.2	PTR	host2.181-239-14.telmex.net.ar
181.239.15.2	PTR	host2.181-239-15.telmex.net.ar
181.239.25.2	PTR	host2.181-239-25.telmex.net.ar
181.239.29.69	PTR	host69.181-239-29.telmex.net.ar
181.239.30.2	PTR	host2.181-239-30.telmex.net.ar
181.239.32.2	PTR	host2.181-239-32.telmex.net.ar
181.239.32.138	PTR	host138.181-239-32.telmex.net.ar
181.239.34.51	PTR	host51.181-239-34.telmex.net.ar
181.239.35.2	PTR	host2.181-239-35.telmex.net.ar
181.239.44.187	A	host1.dyndns-at-home.com
181.239.46.251	PTR	host251.181-239-46.telmex.net.ar
181.239.47.41	PTR	host41.181-239-47.telmex.net.ar
181.239.54.82	A	gnetion.com
181.239.55.145	PTR	host145.181-239-55.telmex.net.ar
181.239.128.252	PTR	host252.181-239-128.telmex.net.ar
181.239.148.86	A	gammu.com.ar
181.239.150.48	PTR	host48.181-239-150.telmex.net.ar
181.239.150.80	PTR	host80.181-239-150.telmex.net.ar
181.239.173.31	PTR	host31.181-239-173.telmex.net.ar
181.239.173.31	A	qmenomeno.com
181.239.173.31	A	iumdemfexcom.com
181.239.180.123	PTR	host123.181-239-180.telmex.net.ar
181.239.180.123	A	metrika.com.ar
181.239.184.26	PTR	host26.181-239-184.telmex.net.ar
181.239.184.26	A	fernant.com
181.239.186.214	PTR	host214.181-239-186.telmex.net.ar
181.239.186.214	A	walter1308.com
181.239.255.255	PTR	host255.181-239-255.telmex.net.ar