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AS266500 SURF TELECOM S.A. | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

SURF TELECOM S.A.

BR 21 Routes

AS Data

AS266500

AS266500 – SURF TELECOM S.A.

AS Number	266500
AS Name
Organization	SURF TELECOM S.A.()
Country	BR
Number of IPv4 Routes	7
Number of IPv6 Routes	14
ASN type	ISP
Registry	lacnic
Date Allocated	2017-01-16

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Use ASN data for AS266500 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:38c4::/48	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	~1×10²⁴
191.128.236.0/24	AS266500	SURF TELECOM S.A.	SURF TELECOM SA	256
191.128.233.0/24	AS266500	SURF TELECOM S.A.	SURF TELECOM SA	256
2804:38c4:1::20:8/127	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	2
2804:38c4:1::20:2/127	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	2
2804:38c4:1::20:6/127	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	2
2804:38c4:3::/48	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	~1×10²⁴
2804:38c4:9::/48	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	~1×10²⁴
170.244.199.0/24	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	256
2804:38c4:5::/48	AS266500	SURF TELECOM S.A.	SURF TELECOM S.A.	~1×10²⁴

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.
% 2026-03-16T09:25:29-03:00 - 194.135.133.161

aut-num:     AS266500
owner:       SURF TELECOM S.A.
responsible: YON MOREIRA DA SILVA JUNIOR
owner-c:     SUSTE24
routing-c:   SUSTE24
abuse-c:     SUSTE24
created:     20170116
changed:     20250327
inetnum:     170.244.196.0/22
inetnum:     2804:38c4::/32

nic-hdl-br:  SUSTE24
person:      Suporte Surf Telecom
created:     20210816
changed:     20250603

% 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

Peers

AS Number	Description	Country
AS26615	TIM S/A	BR

Upstreams

AS Number	Description	Country
AS26615	TIM S/A	BR

Legacy Routes

185.164.57.0/24

Frequently Asked Questions

What is ASN AS266500?

ASN AS266500 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266500?

AS266500 is listed under SURF TELECOM S.A..

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.