Robtex

Up: 148.244.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 148.244.248.0/22
Down right: 148.244.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
148.244.248.25	PTR	static-148-244-248-25.alestra.net.mx
148.244.248.43	A	sppel.mx
148.244.248.57	PTR	static-148-244-248-57.alestra.net.mx
148.244.248.65	PTR	static-148-244-248-65.alestra.net.mx
148.244.248.66	PTR	static-148-244-248-66.alestra.net.mx
148.244.248.74	PTR	static-148-244-248-74.alestra.net.mx
148.244.248.91	PTR	static-148-244-248-91.alestra.net.mx
148.244.248.94	A	imap.24-horas.mx
148.244.248.98	PTR	grupotoolcraft.com
148.244.248.106	PTR	static-148-244-248-106.alestra.net.mx
148.244.248.120	PTR	static-148-244-248-120.alestra.net.mx
148.244.248.122	PTR	static-148-244-248-122.alestra.net.mx
148.244.248.123	PTR	static-148-244-248-123.alestra.net.mx
148.244.248.186	PTR	static-148-244-248-186.alestra.net.mx
148.244.248.195	PTR	static-148-244-248-195.alestra.net.mx
148.244.248.233	PTR	static-148-244-248-233.alestra.net.mx
148.244.249.2	PTR	mail01.tribunalqro.gob.mx
148.244.249.2	A	srvtsj02.tribunalqro.gob.mx
148.244.249.138	PTR	grupopetro138.info
148.244.249.139	PTR	grupopetro139.info
148.244.249.142	PTR	corp-vserv-email.grupopetro.com.mx
148.244.249.142	A	mail.operadoravaltoca.com.mx
148.244.249.142	A	mail.gasomaxgp.com.mx
148.244.250.10	PTR	static-148-244-250-10.alestra.net.mx
148.244.250.10	A	sacn01.gacn.com.mx
148.244.250.10	A	sacn01.oma.aero
148.244.250.11	PTR	static-148-244-250-11.alestra.net.mx
148.244.250.11	A	sacn03.oma.aero
148.244.250.11	A	sacn03.gacn.com.mx
148.244.250.13	PTR	gateway.gacn.com.mx
148.244.250.172	PTR	static-148-244-250-172.alestra.net.mx
148.244.250.254	PTR	static-148-244-250-254.alestra.net.mx
148.244.250.254	A	gladiador.com.mx
148.244.251.2	A+PTR	ns.flexi.com.mx
148.244.251.3	A+PTR	mail.flexi.com.mx
148.244.251.4	PTR	static-148-244-251-4.alestra.net.mx
148.244.251.4	A	flexionline.com.mx
148.244.251.4	A	flexienlinea.com.mx
148.244.251.8	PTR	static-148-244-251-8.alestra.net.mx
148.244.251.11	A+PTR	antivirus.flexi.com.mx
148.244.251.11	A	correo.quirelli.com.mx
148.244.251.11	A	correo.quirelli.com
148.244.251.14	PTR	static-148-244-251-14.alestra.net.mx
148.244.251.31	PTR	static-148-244-251-31.alestra.net.mx
148.244.251.64	PTR	static-148-244-251-64.alestra.net.mx
148.244.251.112	PTR	static-148-244-251-112.alestra.net.mx
148.244.251.126	PTR	static-148-244-251-126.alestra.net.mx
148.244.251.196	PTR	static-148-244-251-196.alestra.net.mx
148.244.254.3	PTR	static-148-244-254-3.alestra.net.mx
148.244.254.32	PTR	static-148-244-254-32.alestra.net.mx
148.244.254.65	PTR	static-148-244-254-65.alestra.net.mx
148.244.254.65	A	solnta05.solistica.com
148.244.254.65	A	ns01.fl.com.mx
148.244.254.190	PTR	static-148-244-254-190.alestra.net.mx
148.244.254.190	A	fl.com.mx
148.244.254.193	A	encante.com
148.244.254.193	A	oxxonet.com
148.244.254.193	A	www.encante.com
148.244.254.224	PTR	static-148-244-254-224.alestra.net.mx
148.244.254.241	A	mail.efemco.com
148.244.254.241	A	efemco.com
148.244.254.248	PTR	static-148-244-254-248.alestra.net.mx
148.244.255.4	A	mail.amebeef.com
148.244.255.9	PTR	static-148-244-255-9.alestra.net.mx
148.244.255.9	A	mail.amebeef.com.mx
148.244.255.127	PTR	static-148-244-255-127.alestra.net.mx
148.244.255.141	PTR	static-148-244-255-141.alestra.net.mx
148.244.255.141	A	mail2.reto.com.mx
148.244.255.191	PTR	static-148-244-255-191.alestra.net.mx
148.244.255.191	A	ns1.reto.mx
148.244.255.191	A	ns1.reto.com.mx
148.244.255.223	PTR	static-148-244-255-223.alestra.net.mx
148.244.255.235	PTR	static-148-244-255-235.alestra.net.mx
148.244.255.235	A	barracuda.reto.com.mx
148.244.255.235	A	host-148-244-255-235.block.alestra.net.mx
148.244.255.242	PTR	static-148-244-255-242.alestra.net.mx