Robtex

Up: 148.245.166.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 148.245.167.0/25
Down right: 148.245.167.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
148.245.167.1	PTR	deacero.com
148.245.167.4	A+PTR	mail7.deacero.com
148.245.167.4	A	mail7.wwirerope.com
148.245.167.4	A	mail7.emcable.com
148.245.167.8	A+PTR	mail5.deacero.com
148.245.167.38	A+PTR	na-167-38.static.avantel.net.mx
148.245.167.41	A+PTR	na-167-41.static.avantel.net.mx
148.245.167.46	A+PTR	na-167-46.static.avantel.net.mx
148.245.167.48	A+PTR	na-167-48.static.avantel.net.mx
148.245.167.53	A+PTR	na-167-53.static.avantel.net.mx
148.245.167.59	A+PTR	na-167-59.static.avantel.net.mx
148.245.167.60	A+PTR	na-167-60.static.avantel.net.mx
148.245.167.61	A+PTR	na-167-61.static.avantel.net.mx
148.245.167.63	A+PTR	na-167-63.static.avantel.net.mx
148.245.167.69	A+PTR	na-167-69.static.avantel.net.mx
148.245.167.75	A+PTR	na-167-75.static.avantel.net.mx
148.245.167.82	A+PTR	na-167-82.static.avantel.net.mx
148.245.167.85	A+PTR	na-167-85.static.avantel.net.mx
148.245.167.86	A+PTR	na-167-86.static.avantel.net.mx
148.245.167.94	A+PTR	na-167-94.static.avantel.net.mx
148.245.167.96	A+PTR	na-167-96.static.avantel.net.mx
148.245.167.98	A+PTR	na-167-98.static.avantel.net.mx
148.245.167.99	A+PTR	na-167-99.static.avantel.net.mx
148.245.167.100	A+PTR	na-167-100.static.avantel.net.mx
148.245.167.108	A+PTR	na-167-108.static.avantel.net.mx
148.245.167.121	A+PTR	na-167-121.static.avantel.net.mx
148.245.167.122	A+PTR	na-167-122.static.avantel.net.mx
148.245.167.127	A+PTR	na-167-127.static.avantel.net.mx
148.245.167.129	A+PTR	na-167-129.static.avantel.net.mx
148.245.167.131	A+PTR	na-167-131.static.avantel.net.mx
148.245.167.139	A+PTR	na-167-139.static.avantel.net.mx
148.245.167.140	A+PTR	na-167-140.static.avantel.net.mx
148.245.167.141	A+PTR	na-167-141.static.avantel.net.mx
148.245.167.144	A+PTR	na-167-144.static.avantel.net.mx
148.245.167.149	A+PTR	na-167-149.static.avantel.net.mx
148.245.167.150	A+PTR	na-167-150.static.avantel.net.mx
148.245.167.152	A+PTR	na-167-152.static.avantel.net.mx
148.245.167.158	A+PTR	na-167-158.static.avantel.net.mx
148.245.167.159	A+PTR	na-167-159.static.avantel.net.mx
148.245.167.168	A+PTR	na-167-168.static.avantel.net.mx
148.245.167.177	A+PTR	na-167-177.static.avantel.net.mx
148.245.167.178	A+PTR	na-167-178.static.avantel.net.mx
148.245.167.179	A+PTR	na-167-179.static.avantel.net.mx
148.245.167.180	A+PTR	na-167-180.static.avantel.net.mx
148.245.167.190	A+PTR	na-167-190.static.avantel.net.mx
148.245.167.191	A+PTR	na-167-191.static.avantel.net.mx
148.245.167.193	PTR	cell.datavision.com.mx
148.245.167.197	A+PTR	na-167-197.static.avantel.net.mx
148.245.167.199	PTR	na-167-199.static.avantel.net.mx
148.245.167.202	A+PTR	na-167-202.static.avantel.net.mx
148.245.167.204	A+PTR	na-167-204.static.avantel.net.mx
148.245.167.206	A+PTR	na-167-206.static.avantel.net.mx
148.245.167.207	A+PTR	na-167-207.static.avantel.net.mx
148.245.167.208	A+PTR	na-167-208.static.avantel.net.mx
148.245.167.211	A+PTR	na-167-211.static.avantel.net.mx
148.245.167.216	A+PTR	na-167-216.static.avantel.net.mx
148.245.167.219	PTR	dagobah.datavision.com.mx
148.245.167.222	A+PTR	na-167-222.static.avantel.net.mx
148.245.167.223	A+PTR	na-167-223.static.avantel.net.mx
148.245.167.224	A+PTR	na-167-224.static.avantel.net.mx
148.245.167.227	A+PTR	na-167-227.static.avantel.net.mx
148.245.167.230	A+PTR	na-167-230.static.avantel.net.mx
148.245.167.232	A+PTR	na-167-232.static.avantel.net.mx
148.245.167.233	A+PTR	na-167-233.static.avantel.net.mx
148.245.167.238	A+PTR	na-167-238.static.avantel.net.mx
148.245.167.240	A+PTR	na-167-240.static.avantel.net.mx
148.245.167.243	A+PTR	na-167-243.static.avantel.net.mx
148.245.167.248	A+PTR	na-167-248.static.avantel.net.mx
148.245.167.252	A+PTR	na-167-252.static.avantel.net.mx
148.245.167.254	A+PTR	na-167-254.static.avantel.net.mx