Autonomous System

AS21520 Instituto Tecnologico Autonomo de Mexico(ITAM)

EducationActiveMexicoLACNIC

AS21520 (AS21520) is an education network operated by Instituto Tecnologico Autonomo de Mexico(ITAM) in Mexico, registered with LACNIC. It has 23 IPv4 prefixes with 20,992 addresses, which makes it the 6,651st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses20,992in 23 prefixes
IPv6 prefixes0none
Size rank#6,651of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationInstituto Tecnologico Autonomo de Mexico(ITAM)
AS nameAS21520
Websiteitam.mx
Country Mexico (MX)
Network typeEducation
RegistryLACNIC
Abuse contactuciel@itam.mx
Registered20010515
Last updated20040315

IPv4 prefixes

23 prefixes · 20,992 addresses
NetworkAddressesFirst – last address
148.205.56.0/212,048148.205.56.0 – 148.205.63.255
148.205.104.0/212,048148.205.104.0 – 148.205.111.255
148.205.36.0/221,024148.205.36.0 – 148.205.39.255
148.205.40.0/221,024148.205.40.0 – 148.205.43.255
148.205.48.0/221,024148.205.48.0 – 148.205.51.255
148.205.64.0/221,024148.205.64.0 – 148.205.67.255
148.205.68.0/221,024148.205.68.0 – 148.205.71.255
148.205.72.0/221,024148.205.72.0 – 148.205.75.255
148.205.112.0/221,024148.205.112.0 – 148.205.115.255
148.205.132.0/221,024148.205.132.0 – 148.205.135.255
148.205.136.0/221,024148.205.136.0 – 148.205.139.255
148.205.148.0/221,024148.205.148.0 – 148.205.151.255
148.205.164.0/221,024148.205.164.0 – 148.205.167.255
148.205.176.0/221,024148.205.176.0 – 148.205.179.255
148.205.196.0/221,024148.205.196.0 – 148.205.199.255
148.205.228.0/221,024148.205.228.0 – 148.205.231.255
148.205.236.0/221,024148.205.236.0 – 148.205.239.255
148.205.13.0/24256148.205.13.0 – 148.205.13.255
148.205.89.0/24256148.205.89.0 – 148.205.89.255
148.205.90.0/24256148.205.90.0 – 148.205.90.255
148.205.120.0/24256148.205.120.0 – 148.205.120.255
148.205.193.0/24256148.205.193.0 – 148.205.193.255
148.205.195.0/24256148.205.195.0 – 148.205.195.255

IPv6 prefixes

No IPv6 prefixes.

Query AS21520 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS21520&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21520, with or without a key:

curl "https://api.ipapi.is/?q=148.205.56.1"

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