ASN Lookup Tool

Ferenz Networks BR BR 44 Routes

AS Data

AS266400

AS266400 – Ferenz Networks

AS Number 266400
AS Name
Organization Ferenz Networks
Country BR
Number of IPv4 Routes 31
Number of IPv6 Routes 13
ASN type ISP
Registry lacnic
Date Allocated 2016-12-06

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Use ASN data for AS266400 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
170.81.40.0/22 1024
170.81.41.0/24 256
31.57.175.0/24 256
2804:3744::/34 ~20×10²⁷
181.214.230.0/24 256
181.214.129.0/24 256
31.57.174.0/24 256
2804:3744:c000::/34 ~20×10²⁷
2804:3744::/33 ~40×10²⁷
170.81.40.0/23 512
2804:3744:8000::/33 ~40×10²⁷
45.224.128.0/22 1024
181.214.128.0/23 512
170.81.42.0/24 256
45.224.130.0/24 256
74.1.74.0/23 512
2804:3744:4000::/48 ~1×10²⁴
181.215.215.0/24 256
74.1.85.0/24 256
2804:3744::/32 ~79×10²⁷
2804:3744:4000::/34 ~20×10²⁷
2804:3744:4901::/48 ~1×10²⁴
31.57.174.0/23 512
74.1.84.0/23 512
45.224.128.0/24 256
74.1.84.0/24 256
45.224.131.0/24 256
181.215.211.0/24 256
102.165.25.0/24 256
2804:3744:4001::/48 ~1×10²⁴
170.81.43.0/24 256
170.81.42.0/23 512
74.1.75.0/24 256
96.43.96.0/24 256
2804:3744:4900::/48 ~1×10²⁴
181.214.128.0/24 256
45.224.129.0/24 256
170.81.40.0/24 256
2804:3744:4000::/40 ~309×10²⁴
2804:3744:8000::/34 ~20×10²⁷
45.224.128.0/23 512
2804:3744:4900::/40 ~309×10²⁴
74.1.74.0/24 256
45.224.130.0/23 512

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.
% 2026-09-17T09:25:17-03:00 - 91.202.59.130

aut-num:     AS266400
owner:       Ferenz Networks
responsible: Ferenz Networks - NOC
owner-c:     FENNO8
routing-c:   FENNO8
abuse-c:     FENNO8
created:     20161206
changed:     20231213
inetnum:     170.81.40.0/22
inetnum:     2804:3744::/32
inetnum:     45.224.128.0/22

nic-hdl-br:  FENNO8
person:      Ferenz Networks - NOC
created:     20141004
changed:     20231222

% 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
AS269658 HUGS TELECOM BR
AS262973 Max Telecomunicações Ltda BR
AS265949 INFO TELECOM INTERNET LTDA BR
AS23074 PETROLEO BRASILEIRO S.A. PETROBRAS BR
AS270838 Neidnet Telecomunicações BR
AS139799 Beijing Dajia Internet Information Technology Co., Ltd. CN
AS266409 SECW TELECOM BR
AS265178 FOX TELECOM INTERNET LTDA BR
AS268710 YES FIBRA TELECOMUNICACOES LTDA BR
AS53095 Axnet Provedor de Internet Comercio Ltda BR
AS61923 SUNWAY TELECOM LTDA BR
AS273394 TEEB WEB BR
AS53175 Unetvale Servicos e Equipamentos LTDA BR
AS268006 KRC net Telecom LTDA BR
AS139341 ACEVILLE PTE.LTD. SG
AS1000 LINK AMERICAN US
AS264598 DELTA TELECOM BR
AS268729 Wnett Fibra BR
AS264067 MUTUM FIBRA LTDA BR
AS267987 Falcon Net BR
AS264595 FALCAO NET PROVEDOR DE INTERNET LTDA BR
AS206735 Novelcomm LP GR
AS269166 EBRANET COMERCIO E SERVICOS DE COMUNICACAO LTDA BR
AS268202 F R BRAGA INFORMATICA ME BR
AS27715 Locaweb Serviços de Internet S/A BR
AS53146 R2 Telecom Com. Prod. Inform. Ltda BR
AS266989 ETH ENTERPRISE TECNOLOGIA LTDA BR
AS272195 Via SP BR
AS268576 CONECT TELECOM LTDA ME BR
AS61888 GFT COMERCIO DE TELEFONIA E COMUNICACAO LTDA BR
AS268459 CLICK & NAVEGUE TELECOMUNICAÇÕES LTDA ME BR
AS263595 ALB Internet & Informatica Ltda ME BR
AS273500 YPN TECNOLOGIA LTDA BR
AS269561 M.M. Brito da Silva Multimidia BR
AS262427 Invista Net Provedor de Acesso Ltda BR
AS27720 CITTA TELECOM LTDA BR
AS53162 VOIPGLOBE SERVICOS DE COM MULTIMIDIA VIA INTERNET BR
AS999 CORIX NETWORKS US
AS267320 PRIME SERVICOS DE COMUNICACAO LTDA BR
AS264949 REAL LINK PROVEDOR DE INTERNET EIRELI BR
AS32787 Akamai Technologies, Inc. US
AS52560 ATK Telecomunicações Ltda. BR
AS263907 Softway Fibra BR
AS264525 Coelho Tecnologia BR
AS12741 Netia SA PL
AS269483 CYBER NET TELECOMUNICACOES EIRELI ME BR
AS273508 Visão Datacenter LTDA BR
AS268231 X Celente Telecomunicacoes BR
AS271700 STEC GUAIBA BR
AS270364 NOVALINK INTERNET LTDA BR
AS263989 GIGAREDE TECNOLOGIA DA INFORMACAO LTDA ME BR
AS268013 Optfiber Telecomunicações Eirelli BR
AS263532 VIAR TELECOMUNICAÇÕES LTDA BR
AS268979 Edvaldo de J.Silva ME BR
AS266460 NetGo Telecomunicações do Brasil BR
AS61775 AW Fibra BR
AS271459 PROVEDOR POWERNET BR
AS22250 ABRANET Associação Brasileira de Internet BR
AS271414 RTI NETWORK TELECOMUNICACOES LTDA BR
AS28126 BRISANET SERVICOS DE TELECOMUNICACOES S.A BR

Upstreams

AS Number Description Country
AS52925 Ascenty Data Centers e Telecomunicações S/A BR
AS37468 Angola Cables AO
AS7195 EDGEUNO S.A.S CO
AS53062 ACESSOLINE TELECOMUNICACOES LTDA BR
AS16735 ALGAR TELECOM S/A BR
AS6939 Hurricane Electric LLC US
AS61624 INFNOC TECNOLOGIA LTDA BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS3356 Level 3 Parent, LLC US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS273508 Visão Datacenter LTDA BR
AS275745 Central Tech Telecom Ltda BR
AS275761 HOSTEG HOSPEDAGEM E SERVIDORES LTDA BR
AS264254 AZAN SERVICOS DE INTERNET BR
AS269412 Oeste Telecom BR

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Frequently Asked Questions

ASN AS266400 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266400 is listed under Ferenz Networks.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.