Robtex

Up: 200.12.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 200.12.56.0/22
Down right: 200.12.60.0/22

IP	Type	Hostname
200.12.56.42	PTR	ip-56-042.static.guate.net.gt
200.12.57.68	A	pm1a-57.guate.net.gt
200.12.61.232	PTR	extproxy.guate.net.gt
200.12.63.2	A	altns1.guate.net.gt
200.12.63.6	A	ns3.guate.net.gt
200.12.63.10	A	telenet.guate.net.gt
200.12.63.16	A+PTR	mail5.guate.net.gt
200.12.63.18	A	ibw.com.gt
200.12.63.19	A	mail.guate.net.gt
200.12.63.41	PTR	gold.guate.net.gt
200.12.63.41	A	mail1.guate.net.gt
200.12.63.80	PTR	ip-63-080.guate.net.gt
200.12.63.80	A	www2.guate.net.gt
200.12.63.150	A	cop1.guate.net.gt
200.12.63.160	A	cop2.guate.net.gt
200.12.63.180	A	antispam2.guate.net.gt