Robtex

Up: 201.151.128.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 201.151.130.0/24
Down right: 201.151.131.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.151.130.1	PTR	static-201-151-130-1.alestra.net.mx
201.151.130.2	PTR	static-201-151-130-2.alestra.net.mx
201.151.130.12	PTR	static-201-151-130-12.alestra.net.mx
201.151.130.20	PTR	static-201-151-130-20.alestra.net.mx
201.151.130.21	PTR	static-201-151-130-21.alestra.net.mx
201.151.130.22	A+PTR	static-201-151-130-22.alestra.net.mx
201.151.130.23	PTR	static-201-151-130-23.alestra.net.mx
201.151.130.24	PTR	static-201-151-130-24.alestra.net.mx
201.151.130.26	PTR	static-201-151-130-26.alestra.net.mx
201.151.130.31	PTR	static-201-151-130-31.alestra.net.mx
201.151.130.32	PTR	static-201-151-130-32.alestra.net.mx
201.151.130.35	PTR	static-201-151-130-35.alestra.net.mx
201.151.130.36	PTR	static-201-151-130-36.alestra.net.mx
201.151.130.42	PTR	static-201-151-130-42.alestra.net.mx
201.151.130.43	PTR	static-201-151-130-43.alestra.net.mx
201.151.130.44	PTR	static-201-151-130-44.alestra.net.mx
201.151.130.48	PTR	static-201-151-130-48.alestra.net.mx
201.151.130.50	PTR	static-201-151-130-50.alestra.net.mx
201.151.130.51	PTR	static-201-151-130-51.alestra.net.mx
201.151.130.52	PTR	static-201-151-130-52.alestra.net.mx
201.151.130.60	PTR	static-201-151-130-60.alestra.net.mx
201.151.130.64	PTR	static-201-151-130-64.alestra.net.mx
201.151.130.69	PTR	static-201-151-130-69.alestra.net.mx
201.151.130.72	PTR	static-201-151-130-72.alestra.net.mx
201.151.130.77	PTR	static-201-151-130-77.alestra.net.mx
201.151.130.80	PTR	static-201-151-130-80.alestra.net.mx
201.151.130.81	PTR	static-201-151-130-81.alestra.net.mx
201.151.130.82	PTR	static-201-151-130-82.alestra.net.mx
201.151.130.84	PTR	static-201-151-130-84.alestra.net.mx
201.151.130.86	PTR	static-201-151-130-86.alestra.net.mx
201.151.130.90	PTR	static-201-151-130-90.alestra.net.mx
201.151.130.91	PTR	static-201-151-130-91.alestra.net.mx
201.151.130.92	PTR	static-201-151-130-92.alestra.net.mx
201.151.130.93	PTR	static-201-151-130-93.alestra.net.mx
201.151.130.95	PTR	static-201-151-130-95.alestra.net.mx
201.151.130.98	PTR	static-201-151-130-98.alestra.net.mx
201.151.130.99	PTR	static-201-151-130-99.alestra.net.mx
201.151.130.100	PTR	static-201-151-130-100.alestra.net.mx
201.151.130.101	PTR	static-201-151-130-101.alestra.net.mx
201.151.130.112	PTR	static-201-151-130-112.alestra.net.mx
201.151.130.113	PTR	static-201-151-130-113.alestra.net.mx
201.151.130.121	PTR	static-201-151-130-121.alestra.net.mx
201.151.130.122	PTR	static-201-151-130-122.alestra.net.mx
201.151.130.126	PTR	static-201-151-130-126.alestra.net.mx
201.151.130.127	PTR	static-201-151-130-127.alestra.net.mx
201.151.130.133	PTR	static-201-151-130-133.alestra.net.mx
201.151.130.135	PTR	static-201-151-130-135.alestra.net.mx
201.151.130.137	PTR	static-201-151-130-137.alestra.net.mx
201.151.130.139	PTR	static-201-151-130-139.alestra.net.mx
201.151.130.146	PTR	static-201-151-130-146.alestra.net.mx
201.151.130.147	PTR	static-201-151-130-147.alestra.net.mx
201.151.130.155	PTR	static-201-151-130-155.alestra.net.mx
201.151.130.158	PTR	static-201-151-130-158.alestra.net.mx
201.151.130.162	PTR	static-201-151-130-162.alestra.net.mx
201.151.130.164	PTR	static-201-151-130-164.alestra.net.mx
201.151.130.165	PTR	static-201-151-130-165.alestra.net.mx
201.151.130.166	PTR	static-201-151-130-166.alestra.net.mx
201.151.130.167	PTR	static-201-151-130-167.alestra.net.mx
201.151.130.168	PTR	static-201-151-130-168.alestra.net.mx
201.151.130.169	PTR	static-201-151-130-169.alestra.net.mx
201.151.130.177	PTR	static-201-151-130-177.alestra.net.mx
201.151.130.178	PTR	static-201-151-130-178.alestra.net.mx
201.151.130.188	PTR	static-201-151-130-188.alestra.net.mx
201.151.130.190	PTR	static-201-151-130-190.alestra.net.mx
201.151.130.195	PTR	static-201-151-130-195.alestra.net.mx
201.151.130.196	PTR	static-201-151-130-196.alestra.net.mx
201.151.130.197	PTR	static-201-151-130-197.alestra.net.mx
201.151.130.201	PTR	static-201-151-130-201.alestra.net.mx
201.151.130.207	PTR	static-201-151-130-207.alestra.net.mx
201.151.130.212	PTR	static-201-151-130-212.alestra.net.mx
201.151.130.214	PTR	static-201-151-130-214.alestra.net.mx
201.151.130.217	PTR	static-201-151-130-217.alestra.net.mx
201.151.130.224	PTR	static-201-151-130-224.alestra.net.mx
201.151.130.226	PTR	static-201-151-130-226.alestra.net.mx
201.151.130.234	PTR	static-201-151-130-234.alestra.net.mx
201.151.130.235	PTR	static-201-151-130-235.alestra.net.mx
201.151.130.238	PTR	static-201-151-130-238.alestra.net.mx
201.151.130.240	PTR	static-201-151-130-240.alestra.net.mx
201.151.130.241	PTR	static-201-151-130-241.alestra.net.mx
201.151.130.243	PTR	static-201-151-130-243.alestra.net.mx
201.151.130.245	A+PTR	static-201-151-130-245.alestra.net.mx
201.151.130.251	PTR	static-201-151-130-251.alestra.net.mx
201.151.130.254	PTR	static-201-151-130-254.alestra.net.mx
201.151.131.10	PTR	static-201-151-131-10.alestra.net.mx
201.151.131.113	A	faret.com.mx
201.151.131.161	A+PTR	nasgym.gymlogistica.net
201.151.131.161	A	remote.rsecompusol.net
201.151.131.161	A	aapadilla.mx
201.151.131.163	PTR	static-201-151-131-163.alestra.net.mx
201.151.131.163	A	nasrse.rsecompusol.net
201.151.131.163	A	rsecompusol.net
201.151.131.164	PTR	nasgym.gymlogistica.net
201.151.131.242	A	sendsms.mx
201.151.131.244	PTR	cpanel.scutum.mx
201.151.131.244	A	ctclat.com
201.151.131.244	A	mail.globalwifi.mx
201.151.131.245	PTR	static-201-151-131-245.alestra.net.mx
201.151.131.246	PTR	static-201-151-131-246.alestra.net.mx
201.151.131.250	PTR	static-201-151-131-250.alestra.net.mx
201.151.131.250	A	qbitoz.com
201.151.131.250	A	eduardogil.net
201.151.131.251	PTR	static-201-151-131-251.alestra.net.mx
201.151.131.252	PTR	static-201-151-131-252.alestra.net.mx
201.151.131.252	A	ns2.qubitoz.net
201.151.131.252	A	ns2.laliux.com