Robtex

Up: 190.228.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 190.228.136.0/22
Down right: 190.228.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
190.228.136.0	A	host0.190-228-136.telecom.net.ar
190.228.136.66	A+PTR	host66.190-228-136.telecom.net.ar
190.228.137.7	A	host7.190-228-137.telecom.net.ar
190.228.137.12	A	host12.190-228-137.telecom.net.ar
190.228.137.26	A	host26.190-228-137.telecom.net.ar
190.228.137.36	A	host36.190-228-137.telecom.net.ar
190.228.137.37	A	host37.190-228-137.telecom.net.ar
190.228.137.47	A	host47.190-228-137.telecom.net.ar
190.228.137.53	A	host53.190-228-137.telecom.net.ar
190.228.137.68	A	host68.190-228-137.telecom.net.ar
190.228.137.71	A	host71.190-228-137.telecom.net.ar
190.228.137.75	A	host75.190-228-137.telecom.net.ar
190.228.137.76	A	host76.190-228-137.telecom.net.ar
190.228.137.79	A	host79.190-228-137.telecom.net.ar
190.228.137.82	A	host82.190-228-137.telecom.net.ar
190.228.137.91	A	host91.190-228-137.telecom.net.ar
190.228.137.93	A	host93.190-228-137.telecom.net.ar
190.228.137.96	PTR	host96.190-228-137.telecom.net.ar
190.228.137.97	A	host97.190-228-137.telecom.net.ar
190.228.137.98	A	host98.190-228-137.telecom.net.ar
190.228.137.99	A	host99.190-228-137.telecom.net.ar
190.228.137.109	A	host109.190-228-137.telecom.net.ar
190.228.137.111	A	host111.190-228-137.telecom.net.ar
190.228.137.114	A+PTR	mail.hutton.com.ar
190.228.137.116	A	host116.190-228-137.telecom.net.ar
190.228.137.121	A+PTR	host121.190-228-137.telecom.net.ar
190.228.137.125	A	host125.190-228-137.telecom.net.ar
190.228.137.128	A+PTR	host128.190-228-137.telecom.net.ar
190.228.137.133	A	host133.190-228-137.telecom.net.ar
190.228.137.136	A+PTR	host136.190-228-137.telecom.net.ar
190.228.137.139	A	host139.190-228-137.telecom.net.ar
190.228.137.144	PTR	host144.190-228-137.telecom.net.ar
190.228.137.148	A	host148.190-228-137.telecom.net.ar
190.228.137.150	A	host150.190-228-137.telecom.net.ar
190.228.137.156	A	host156.190-228-137.telecom.net.ar
190.228.137.161	A	host161.190-228-137.telecom.net.ar
190.228.137.162	A	host162.190-228-137.telecom.net.ar
190.228.137.164	A	host164.190-228-137.telecom.net.ar
190.228.137.166	A	host166.190-228-137.telecom.net.ar
190.228.137.171	A	host171.190-228-137.telecom.net.ar
190.228.137.176	A	host176.190-228-137.telecom.net.ar
190.228.137.178	A	host178.190-228-137.telecom.net.ar
190.228.137.179	A	host179.190-228-137.telecom.net.ar
190.228.137.182	A	host182.190-228-137.telecom.net.ar
190.228.137.184	A+PTR	host184.190-228-137.telecom.net.ar
190.228.137.185	A+PTR	host185.190-228-137.telecom.net.ar
190.228.137.191	A	host191.190-228-137.telecom.net.ar
190.228.137.194	A	hlbsrv02.hlbpharma.com
190.228.137.194	A	ns2.hlbpharma.com
190.228.137.194	A	mx.hlbpharma.com
190.228.137.203	A+PTR	host203.190-228-137.telecom.net.ar
190.228.137.204	A	host204.190-228-137.telecom.net.ar
190.228.137.212	A	host212.190-228-137.telecom.net.ar
190.228.137.216	A+PTR	host216.190-228-137.telecom.net.ar
190.228.137.219	A+PTR	host219.190-228-137.telecom.net.ar
190.228.137.222	A	host222.190-228-137.telecom.net.ar
190.228.137.227	A+PTR	ecbue06.cnc.gob.ar
190.228.137.227	A+PTR	ecbue06.cnc.gov.ar
190.228.137.227	A	webmail2.cnc.gob.ar
190.228.137.239	A	ecbue99.cnc.gob.ar
190.228.137.240	A	www.secom.gov.ar
190.228.137.240	A	secom.gov.ar
190.228.137.240	A	cnc.gov.ar
190.228.138.2	PTR	host2.190-228-138.telecom.net.ar
190.228.142.0	PTR	host0.190-228-142.telecom.net.ar
190.228.143.4	A	host4.190-228-143.telecom.net.ar
190.228.143.17	A+PTR	host17.190-228-143.telecom.net.ar
190.228.143.29	A	host29.190-228-143.telecom.net.ar
190.228.143.42	A+PTR	host42.190-228-143.telecom.net.ar
190.228.143.47	A	host47.190-228-143.telecom.net.ar
190.228.143.65	A+PTR	host65.190-228-143.telecom.net.ar
190.228.143.79	A	host79.190-228-143.telecom.net.ar
190.228.143.90	A+PTR	host90.190-228-143.telecom.net.ar
190.228.143.120	A+PTR	host120.190-228-143.telecom.net.ar
190.228.143.157	A	host157.190-228-143.telecom.net.ar
190.228.143.180	A	host180.190-228-143.telecom.net.ar
190.228.143.183	A	host183.190-228-143.telecom.net.ar
190.228.143.185	A+PTR	host185.190-228-143.telecom.net.ar
190.228.143.188	A	host188.190-228-143.telecom.net.ar
190.228.143.198	A	host198.190-228-143.telecom.net.ar
190.228.143.203	A+PTR	host203.190-228-143.telecom.net.ar
190.228.143.213	A	host213.190-228-143.telecom.net.ar
190.228.143.216	A+PTR	host216.190-228-143.telecom.net.ar
190.228.143.222	A	host222.190-228-143.telecom.net.ar
190.228.143.231	A	host231.190-228-143.telecom.net.ar
190.228.143.237	A	host237.190-228-143.telecom.net.ar
190.228.143.246	A	host246.190-228-143.telecom.net.ar
190.228.143.247	A	host247.190-228-143.telecom.net.ar
190.228.143.248	A+PTR	host248.190-228-143.telecom.net.ar