Robtex

Up: 189.203.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 189.203.30.0/25
Down right: 189.203.30.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
189.203.30.2	PTR	fixed-203-30-2.iusacell.net
189.203.30.3	A+PTR	fixed-189-203-30-3.totalplay.net
189.203.30.3	A	www.tdt.mx
189.203.30.4	A	contraprestaciones.ift.org.mx
189.203.30.6	A+PTR	fixed-203-30-189-203-30-6.iusacell.net
189.203.30.6	A	ns3.ift.org.mx
189.203.30.7	A	ucsweb.ift.org.mx
189.203.30.17	A+PTR	fixed-189-203-30-17.totalplay.net
189.203.30.17	A	correo.ift.org.mx
189.203.30.17	A	mail.ift.org.mx
189.203.30.18	PTR	fixed-203-30-189-203-30-18.iusacell.net
189.203.30.53	A+PTR	fixed-189-203-30-53.totalplay.net
189.203.30.66	PTR	fixed-189-203-30-66.totalplay.net
189.203.30.66	A	halcon.ittoluca.edu.mx
189.203.30.66	A	www.ittoluca.edu.mx
189.203.30.119	PTR	fixed-203-30-189-203-30-119.iusacell.net
189.203.30.125	PTR	fixed-203-30-189-203-30-125.iusacell.net
189.203.30.125	A	www.primex.org.mx
189.203.30.166	PTR	mail2.qualitas.com.mx
189.203.30.226	PTR	hq.iti.mx
189.203.30.236	A	dns.tradicom.com.mx