ASN AS28391 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28391?

AS28391 is listed under Universidad Juarez Autonoma de Tabasco.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS28391 Universidad Juarez Autonoma de Tabasco

ASN Lookup Tool

Universidad Juarez Autonoma de Tabasco ujat.mx

MX 161 Routes

AS Data

AS28391

AS28391 – Universidad Juarez Autonoma de Tabasco

AS Number	28391
AS Name	MX-UJAT-LACNIC
Organization	Universidad Juarez Autonoma de Tabasco
Country	MX
Website	ujat.mx
Number of IPv4 Routes	161
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	lacnic
Date Allocated	2014-02-24

ASN Intelligence API for production workflows

Use ASN data for AS28391 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
148.236.212.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.56.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.123.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.26.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.35.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.102.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.186.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.200.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.65.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256
148.236.59.0/24	AS28391	Universidad Juarez Autonoma de Tabasco	Universidad Juarez Autonoma de Tabasco	256

Raw Whois Response

% Joint Whois - whois.lacnic.net
%  This server accepts single ASN, IPv4 or IPv6 queries

% LACNIC resource: whois.lacnic.net


% Copyright LACNIC lacnic.net
%  The data below is provided for information purposes
%  and to assist persons in obtaining information about or
%  related to AS and IP numbers registrations
%  By submitting a whois query, you agree to use this data
%  only for lawful purposes.
%  2026-06-01 13:36:24 (-03 -03:00)

aut-num:     AS28391
owner:       Universidad Juarez Autonoma de Tabasco
ownerid:     MX-UJAT-LACNIC
responsible: Fernando Rabelo Hartmann
address:     Avenida Universidad, Zona de la Cultura, S/N, Col. Magisterial
address:     86040 - Villahermosa Centro - TB
country:     MX
phone:       +52  9933581500 [6053]
owner-c:     FMG5
routing-c:   FMG5
abuse-c:     FMG5
created:     20140224
changed:     20140224

nic-hdl:     FMG5
person:      Francisco Manuel Ramon Garduza
e-mail:      francisco.ramon@ujat.mx
address:     AVENIDA UNIVERSIDAD, ZONA DE LA CULTURA, 1, Col. Magisterial
address:     86040 - Villahermosa, Centro - TB
country:     MX
phone:       +52  9933581500 [6053]
created:     20121115
changed:     20210819

% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.

 
% Joint Whois - whois.lacnic.net
%  This server accepts single ASN, IPv4 or IPv6 queries

% LACNIC resource: whois.lacnic.net


% Copyright LACNIC lacnic.net
%  The data below is provided for information purposes
%  and to assist persons in obtaining information about or
%  related to AS and IP numbers registrations
%  By submitting a whois query, you agree to use this data
%  only for lawful purposes.
%  2026-05-31 10:33:52 (-03 -03:00)

aut-num:     AS28391
owner:       Universidad Juarez Autonoma de Tabasco
ownerid:     MX-UJAT-LACNIC
responsible: Fernando Rabelo Hartmann
address:     Avenida Universidad, Zona de la Cultura, S/N, Col. Magisterial
address:     86040 - Villahermosa Centro - TB
country:     MX
phone:       +52  9933581500 [6053]
owner-c:     FMG5
routing-c:   FMG5
abuse-c:     FMG5
created:     20140224
changed:     20140224

nic-hdl:     FMG5
person:      Francisco Manuel Ramon Garduza
e-mail:      francisco.ramon@ujat.mx
address:     AVENIDA UNIVERSIDAD, ZONA DE LA CULTURA, 1, Col. Magisterial
address:     86040 - Villahermosa, Centro - TB
country:     MX
phone:       +52  9933581500 [6053]
created:     20121115
changed:     20210819

% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS28391",
    "country" : "MX",
    "admin_contacts" : [ "FMG5" ],
    "tech_contacts" : [ "FMG5" ],
    "abuse_contacts" : [ "FMG5" ],
    "date_created" : "2014-02-24",
    "date_updated" : "2014-02-24",
    "source" : "lacnic"
  }, {
    "aut_num" : "AS28391",
    "country" : "MX",
    "admin_contacts" : [ "FMG5" ],
    "tech_contacts" : [ "FMG5" ],
    "abuse_contacts" : [ "FMG5" ],
    "date_created" : "2014-02-24",
    "date_updated" : "2014-02-24",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "MX-UJAT-LACNIC",
    "name" : "Universidad Juarez Autonoma de Tabasco",
    "address" : [ "Avenida Universidad, Zona de la Cultura, S/N, Col. Magisterial", "86040 - Villahermosa Centro - TB" ],
    "street" : "Villahermosa",
    "city" : "Centro",
    "state" : "TB",
    "country" : [ "MX" ],
    "phone" : [ "+52  9933581500 [6053]" ],
    "abuse_contacts" : [ "FMG5" ],
    "date_created" : "2014-02-24",
    "date_updated" : "2014-02-24",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "FMG5",
    "address" : [ "AVENIDA UNIVERSIDAD, ZONA DE LA CULTURA, 1, Col. Magisterial", "86040 - Villahermosa, Centro - TB" ],
    "street" : "Villahermosa",
    "city" : "Centro",
    "state" : "TB",
    "country" : "MX",
    "email" : [ "francisco.ramon@ujat.mx" ],
    "phone" : [ "+52  9933581500 [6053]" ],
    "date_created" : "2012-11-15",
    "date_updated" : "2021-08-19",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "FMG5",
    "address" : [ "AVENIDA UNIVERSIDAD, ZONA DE LA CULTURA, 1, Col. Magisterial", "86040 - Villahermosa, Centro - TB" ],
    "street" : "Villahermosa",
    "city" : "Centro",
    "state" : "TB",
    "country" : "MX",
    "email" : [ "francisco.ramon@ujat.mx" ],
    "phone" : [ "+52  9933581500 [6053]" ],
    "date_created" : "2012-11-15",
    "date_updated" : "2021-08-19",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "FMG5",
    "address" : [ "AVENIDA UNIVERSIDAD, ZONA DE LA CULTURA, 1, Col. Magisterial", "86040 - Villahermosa, Centro - TB" ],
    "street" : "Villahermosa",
    "city" : "Centro",
    "state" : "TB",
    "country" : "MX",
    "email" : [ "francisco.ramon@ujat.mx" ],
    "phone" : [ "+52  9933581500 [6053]" ],
    "date_created" : "2012-11-15",
    "date_updated" : "2021-08-19",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS8151	UNINET	MX

Upstreams

AS Number	Description	Country
AS8151	UNINET	MX