Robtex

Up: 201.151.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 201.151.176.0/22
Down right: 201.151.180.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.151.176.31	A+PTR	mail02.jafrausa.com
201.151.176.32	A+PTR	mail03.jafrausa.com
201.151.177.6	PTR	static-201-151-177-6.alestra.net.mx
201.151.177.90	PTR	static-201-151-177-90.alestra.net.mx
201.151.177.211	PTR	mail.asterisk.me
201.151.177.211	A	lavariega.com
201.151.178.26	PTR	mail.napresa.com.mx
201.151.178.26	A	correo.napresa.com.mx
201.151.178.34	PTR	static-201-151-178-34.alestra.net.mx
201.151.178.34	A	mail.dconsumo.com.mx
201.151.178.35	A	mail.miamihitek.com
201.151.178.36	PTR	static-201-151-178-36.alestra.net.mx
201.151.178.38	A	mywork.mx
201.151.178.39	A	cotizanet.com.mx
201.151.178.41	PTR	static-201-151-178-41.alestra.net.mx
201.151.178.43	A+PTR	smtp-mx3.microtec.net.mx
201.151.178.43	A	mail.microtec.com.mx
201.151.178.43	A	mail.eliasestudioe.com
201.151.178.44	PTR	smtpout.microtec.net.mx
201.151.178.52	PTR	static-201-151-178-52.alestra.net.mx
201.151.178.52	A	miamihitek.com.mx
201.151.178.52	A	dineroelectronico.mx
201.151.178.59	PTR	static-201-151-178-59.alestra.net.mx
201.151.178.61	PTR	smtpout.microtec.net.mx
201.151.178.62	PTR	smtpout.microtec.net.mx
201.151.178.67	PTR	static-201-151-178-67.alestra.net.mx
201.151.178.68	PTR	static-201-151-178-68.alestra.net.mx
201.151.178.122	A	gigantesagroindustria.com
201.151.178.172	PTR	static-201-151-178-172.alestra.net.mx
201.151.178.234	PTR	static-201-151-178-234.alestra.net.mx
201.151.178.234	A	mail.famesa.com.mx
201.151.178.234	A	www.famesa.com.mx
201.151.179.2	PTR	static-201-151-179-2.alestra.net.mx
201.151.179.2	A	kyo.gdlicanet.net.mx
201.151.179.2	A	fox.gdlicanet.net.mx
201.151.179.3	PTR	static-201-151-179-3.alestra.net.mx
201.151.179.5	A	semilladelcaribe.com.mx
201.151.179.5	A	smtp.finec.com.mx
201.151.179.11	PTR	static-201-151-179-11.alestra.net.mx
201.151.179.11	A	mail.casuni.com.mx
201.151.179.11	A	casuni.com.mx
201.151.179.15	A	smtp.financieraestimulo.com
201.151.179.17	PTR	static-201-151-179-17.alestra.net.mx
201.151.179.17	A	smtp.divemex.com
201.151.179.20	A	www.piagui.com
201.151.179.20	A	mypiagui.com
201.151.179.20	A	www.mypiagui.com
201.151.179.24	PTR	static-201-151-179-24.alestra.net.mx
201.151.179.24	A	mail.theiideacompany-inufib.com
201.151.179.24	A	mail.theiideacompany-naturel.com
201.151.179.27	PTR	static-201-151-179-27.alestra.net.mx
201.151.179.27	A	fresenius-kabi.com.mx
201.151.179.33	PTR	static-201-151-179-33.alestra.net.mx
201.151.179.38	A	farma-net.com.mx
201.151.179.38	A	smtp.maver.com.mx
201.151.179.38	A	mail.maver.com.mx
201.151.179.49	PTR	static-201-151-179-49.alestra.net.mx
201.151.179.55	A	mail1.arrendamas.com
201.151.179.57	PTR	static-201-151-179-57.alestra.net.mx
201.151.179.58	PTR	static-201-151-179-58.alestra.net.mx
201.151.179.81	PTR	static-201-151-179-81.alestra.net.mx
201.151.179.97	PTR	static-201-151-179-97.alestra.net.mx
201.151.179.113	PTR	static-201-151-179-113.alestra.net.mx
201.151.179.113	A	fmcmexico.com
201.151.179.120	PTR	static-201-151-179-120.alestra.net.mx
201.151.179.126	A	mail.jimenezford.com
201.151.179.126	A	jimenezautomotriz.com
201.151.179.126	A	smtp.jimenezford.com
201.151.179.153	PTR	static-201-151-179-153.alestra.net.mx
201.151.179.161	PTR	static-201-151-179-161.alestra.net.mx
201.151.179.186	PTR	static-201-151-179-186.alestra.net.mx
201.151.179.192	PTR	static-201-151-179-192.alestra.net.mx
201.151.179.250	PTR	static-201-151-179-250.alestra.net.mx
201.151.179.251	PTR	static-201-151-179-251.alestra.net.mx
201.151.180.3	PTR	static-201-151-180-3.fidex.com.mx
201.151.180.3	A	fidex.com.mx
201.151.180.3	A	ns1.fidex.com.mx
201.151.180.10	A	mail.fidex.com.mx
201.151.180.38	PTR	201-151-180-38.static.hostdime.com
201.151.180.75	PTR	201-151-180-75.static.dimenoc.com
201.151.180.94	PTR	201-151-180-94.static.dimenoc.com
201.151.180.94	A	mail2-aot.tctmobile.mx
201.151.180.94	A	mail2.alcatelonetouch.com
201.151.180.106	PTR	201-151-180-106.static.dimenoc.com
201.151.180.128	PTR	201-151-180-128.static.dimenoc.com
201.151.180.140	PTR	201-151-180-140.static.dimenoc.com
201.151.180.163	PTR	201-151-180-163.static.hostdime.com
201.151.180.163	A	ieca.guanajuato.gob.mx
201.151.181.43	PTR	static-201-151-181-43.alestra.net.mx
201.151.181.203	PTR	correo.promex-logistics.mx
201.151.181.203	A+PTR	correo.promex-logistics.com