Robtex

Up: 192.100.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.100.159.0/25
Down right: 192.100.159.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.100.159.2	A+PTR	ns.ciqa.mx
192.100.159.2	A	polimex.ciqa.mx
192.100.159.2	A	mailgw.ciqa.mx
192.100.159.4	A	ciqa.edu.mx
192.100.159.4	A	ciqa.mx
192.100.159.4	A	www.ciqa.edu.mx
192.100.159.5	A+PTR	dnsalternativo.ciqa.mx
192.100.159.8	A+PTR	srvx.srv4.ciqa.mx
192.100.159.8	A	phoenix.ciqa.mx
192.100.159.8	A	phoenix.srv4.ciqa.mx
192.100.159.28	A	informatica.ciqa.mx
192.100.159.71	A	poweredge2600.ciqa.mx
192.100.159.111	PTR	noveria-dr380.srv4.ciqa.mx
192.100.159.111	A	fgg-eao20-w7p.srv4.ciqa.mx