AS21520 Instituto Tecnologico Autonomo de Mexico(ITAM)

AS21520 - Instituto Tecnologico Autonomo de Mexico(ITAM) · registered in Mexico

IPv4 addresses20,99222 prefixes · <0.001% of announced IPv4

Rank in Mexico#59largest network in MX by IPv4 space, of 497 · 0.09% of MX

Rank worldwide#5,981of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryMexico546 ASNs registered there

Open AS21520 in ASN lookup Look up an IP in this network (148.205.13.1) All networks in Mexico

IPv4 prefixes

All 22 prefixes, in address order.

148.205.13.0/24
148.205.36.0/22
148.205.40.0/22
148.205.48.0/22
148.205.56.0/21
148.205.64.0/21
148.205.72.0/22
148.205.89.0/24
148.205.90.0/24
148.205.104.0/21
148.205.112.0/22
148.205.120.0/24
148.205.132.0/22
148.205.136.0/22
148.205.148.0/22
148.205.164.0/22
148.205.176.0/22
148.205.193.0/24
148.205.195.0/24
148.205.196.0/22
148.205.228.0/22
148.205.236.0/22

Similar-sized networks in Mexico

ASNNameIPv4 addresses

AS22908#56 AS22908 - Sixsigma Networks Mexico, S.A. de C.V.22,784

AS3548#57 AS3548 - Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional21,760

AS13579#58 AS13579 - INFOTEC CENTRO DE INVESTIGACION E INNOVACION EN TECNOLOGIAS DE LA INFORMACION Y COMUNICACION21,760

AS11136#60 AS11136 - Instituto Tecnologico y de Estudios Superiores de Monterrey20,736

AS265606#61 AS265606 - DIGY NETWORKS20,480

AS28549#62 AS28549 - Cablemas Telecomunicaciones SA de CV19,456

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources