What is ASN AS265023?

ASN AS265023 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS265023?

AS265023 is listed under TMK NET LTDA.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS265023 TMK NET LTDA | IPGeolocation.io

ASN Lookup Tool

TMK NET LTDA tmkultra.com.br

BR 13 Routes

AS Data

AS265023

AS265023 – TMK NET LTDA

AS Number	265023
AS Name	40.169.117/0001-18
Organization	TMK NET LTDA
Country	BR
Website	tmkultra.com.br
Number of IPv4 Routes	10
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2016-06-07

ASN Intelligence API for production workflows

Use ASN data for AS265023 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.190.58.0/23	AS265023	TMK NET LTDA	TMK NET LTDA	512
2804:318c::/33	AS265023	TMK NET LTDA	TMK NET LTDA	~40×10²⁷
45.190.56.0/24	AS265023	TMK NET LTDA	TMK NET LTDA	256
179.43.34.0/24	AS265023	TMK NET LTDA	TMK NET LTDA	256
2804:171c:ffff::/48	AS265023	TMK NET LTDA	ZAP TELECOMUNICACOES LTDA	~1×10²⁴
170.84.104.0/22	AS265023	TMK NET LTDA	TMK NET LTDA	1024
45.190.58.0/24	AS265023	TMK NET LTDA	TMK NET LTDA	256
2804:318c:8000::/33	AS265023	TMK NET LTDA	TMK NET LTDA	~40×10²⁷
179.43.32.0/22	AS265023	TMK NET LTDA	TMK NET LTDA	1024
45.190.56.0/22	AS265023	TMK NET LTDA	TMK NET LTDA	1024

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-04-10T09:25:33-03:00 - 136.227.173.114

aut-num:     AS265023
owner:       TMK NET LTDA
ownerid:     40.169.117/0001-18
responsible: KLEBER MOREIRA DO NASCIMENTO
country:     BR
owner-c:     KLMNA11
routing-c:   KLMNA11
abuse-c:     KLMNA11
created:     20160607
changed:     20250317
inetnum:     170.84.104.0/22
inetnum:     2804:318c::/32
inetnum:     179.43.32.0/22
inetnum:     45.190.56.0/22

nic-hdl-br:  KLMNA11
person:      KLEBER MOREIRA DO NASCIMENTO
e-mail:      noc@tmkultra.com.br
country:     BR
created:     20230520
changed:     20250317

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS265023",
    "country" : "BR",
    "admin_contacts" : [ "KLMNA11" ],
    "tech_contacts" : [ "KLMNA11" ],
    "abuse_contacts" : [ "KLMNA11" ],
    "date_created" : "2016-06-07",
    "date_updated" : "2025-03-17",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "40.169.117/0001-18",
    "name" : "TMK NET LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "KLMNA11" ],
    "date_created" : "2016-06-07",
    "date_updated" : "2025-03-17",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "KLMNA11",
    "country" : "BR",
    "email" : [ "noc@tmkultra.com.br" ],
    "date_created" : "2023-05-20",
    "date_updated" : "2025-03-17",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "KLMNA11",
    "country" : "BR",
    "email" : [ "noc@tmkultra.com.br" ],
    "date_created" : "2023-05-20",
    "date_updated" : "2025-03-17",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "KLMNA11",
    "country" : "BR",
    "email" : [ "noc@tmkultra.com.br" ],
    "date_created" : "2023-05-20",
    "date_updated" : "2025-03-17",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS52878	REDE DE TELECOMUNICAï¿½ï¿½ES CARAJAS LTDA	BR
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS269038	IDX DATA CENTERS & IT SERVICES S.A.	BR
AS268813	Freitas Sistema de Comunicao Internet Eireli-ME	BR
AS263124	TMK NET - PMW	BR
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR
AS265965	Pinhais Net Telecom Comercio e Servios Ltda	BR
AS52878	REDE DE TELECOMUNICAÇÕES CARAJAS LTDA	BR
AS267455	FIBRACOM TELECOMUNICACOES E SERVICOS EIRELI - ME	BR
AS274757	GRUPO TELECOM JALLA	BR

Upstreams

AS Number	Description	Country
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS28368	SOBRALNET SERVICOS E TELECOMUNICACOES LTDA ME	BR
AS263124	ZAP TELECOMUNICACOES LTDA	BR
AS267613	ELETRONET S.A.	BR

Downstreams

AS Number	Description	Country
AS269038	IDX DATA CENTERS & IT SERVICES S.A.	BR
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR
AS52878	REDE DE TELECOMUNICAÇÕES CARAJAS LTDA	BR
AS274757	GRUPO TELECOM JALLA	BR
AS268141	TMK NET ITZ	BR
AS268417	P.A THOMAZ MARCELINO & CIA EPP LTDA	BR
AS265487	SKY POWER INFORMATICA LTDA ME	BR
AS267455	FIBRACOM TELECOMUNICACOES E SERVICOS EIRELI ME	BR
AS61858	PRIME SYSTEM TELECOM	BR
AS268813	Freitas Sistema de Comunicação Internet Eireli ME	BR

Legacy Routes

2804:318c::/32