Robtex

Up: 190.90.218.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 190.90.219.0/25
Down right: 190.90.219.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
190.90.219.2	PTR	dns1.megawireless.net
190.90.219.2	A	ns1.megawireless.co
190.90.219.2	A	ns1.megawireless.com.co
190.90.219.3	A+PTR	mx1.megawireless.com.co
190.90.219.3	PTR	mail.megawireless.com.co
190.90.219.3	A	megawireless.net
190.90.219.4	PTR	mx1.megawireless.com.co
190.90.219.4	PTR	mail.megawireless.com.co
190.90.219.4	A	mail.megawireless.net
190.90.219.5	A+PTR	dns2.megawireless.net
190.90.219.5	A	ns2.misbordados.net
190.90.219.5	A	dns.markoregalos.com
190.90.219.9	A+PTR	www.megawireless.co
190.90.219.22	PTR	www.megawireless.co
190.90.219.22	A	www.megawireless.net
190.90.219.22	A	megawireless.com.co