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IP address details
AS28203
Webcenter Sist Prest de Servicos de Informatica·
IP address details
AS28203
Webcenter Sist Prest de Servicos de Informatica·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS28203
  • Org Name
    Webcenter Sist Prest de Servicos de Informatica
  • Country
    Brazil
  • Country Code
    BR
  • Website
  • Regional Registry
    Lacnic
  • Allocated Date
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    1
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    1
  • Ipv6 Upstreams
    0

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Brazil189.91.32.0/23
Webcenter Sist Prest de Servicos de Informatica
--IANA
Brazil189.91.34.0/24
Webcenter Sistemas - Prest. Servic Informatica Ltd
189.91.32.0/20Lacnic
countries.189.91.36.0/22
189.91.32.0/20Lacnic
countries.189.91.40.0/21
189.91.32.0/20Lacnic
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 1 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
BrazilAS22356
Durand do Brasil Ltda
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 1 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
BrazilAS22356
Durand do Brasil Ltda
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS28203 Combined Upstream Graph AS28203 AS28203 AS22356 AS22356 AS28203->AS22356 AS32613 AS32613 AS28203->AS32613 AS3491 AS3491 AS22356->AS3491 AS3257 AS3257 AS22356->AS3257 AS6461 AS6461 AS22356->AS6461 AS32613->AS3257 AS174 AS174 AS32613->AS174 AS6453 AS6453 AS32613->AS6453 AS7018 AS7018 AS3491->AS7018 AS1299 AS1299 AS3491->AS1299 AS2914 AS2914 AS3491->AS2914 AS3356 AS3356 AS3491->AS3356 AS3257->AS1299 AS3257->AS3356 AS2497 AS2497 AS3257->AS2497 AS1239 AS1239 AS3257->AS1239 AS3257->AS174 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS174->AS7018 AS174->AS1299 AS174->AS3356 AS6453->AS2914 AS6453->AS3356
AS28203 Combined Upstream Graph AS28203 AS28203 AS22356 AS22356 AS28203->AS22356 AS32613 AS32613 AS28203->AS32613 AS3491 AS3491 AS22356->AS3491 AS3257 AS3257 AS22356->AS3257 AS6461 AS6461 AS22356->AS6461 AS32613->AS3257 AS174 AS174 AS32613->AS174 AS6453 AS6453 AS32613->AS6453 AS7018 AS7018 AS3491->AS7018 AS1299 AS1299 AS3491->AS1299 AS2914 AS2914 AS3491->AS2914 AS3356 AS3356 AS3491->AS3356 AS3257->AS1299 AS3257->AS3356 AS2497 AS2497 AS3257->AS2497 AS1239 AS1239 AS3257->AS1239 AS3257->AS174 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS174->AS7018 AS174->AS1299 AS174->AS3356 AS6453->AS2914 AS6453->AS3356

World Map

WHOIS Details


% IP Client: 2a10:b641:57:c840:699e:59f1:bb22:c165
% 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.
% 2025-06-02T03:53:41-03:00 - 2a10:b641:57:c840:699e:59f1:bb22:c165

aut-num: AS28203
owner: Webcenter Sist Prest de Servicos de Informatica
ownerid: 05.936.319/0002-28
responsible: Ricardo Buchalla Auada
country: BR
owner-c: WESIS2
routing-c: RBA2
abuse-c: RBA2
created: 20080410
changed: 20130306
inetnum: 189.91.32.0/20

nic-hdl-br: WESIS2
person: Webcenter Sistemas
e-mail: [email protected]
country: BR
created: 20091216
changed: 20091216

nic-hdl-br: RBA2
person: Ricardo Buchalla Auada
e-mail: [email protected]
country: BR
created: 19971222
changed: 20221109

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


% IP Client: 2a10:b641:57:c840:699e:59f1:bb22:c165
% 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.
% 2025-06-02T03:53:41-03:00 - 2a10:b641:57:c840:699e:59f1:bb22:c165

aut-num: AS28203
owner: Webcenter Sist Prest de Servicos de Informatica
ownerid: 05.936.319/0002-28
responsible: Ricardo Buchalla Auada
country: BR
owner-c: WESIS2
routing-c: RBA2
abuse-c: RBA2
created: 20080410
changed: 20130306
inetnum: 189.91.32.0/20

nic-hdl-br: WESIS2
person: Webcenter Sistemas
e-mail: [email protected]
country: BR
created: 20091216
changed: 20091216

nic-hdl-br: RBA2
person: Ricardo Buchalla Auada
e-mail: [email protected]
country: BR
created: 19971222
changed: 20221109

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

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS28203
Webcenter Sist Prest de Servicos de Informatica·
IP address details
AS28203
Webcenter Sist Prest de Servicos de Informatica·

Summary

  • As Number
    AS28203
  • Org Name
    Webcenter Sist Prest de Servicos de Informatica
  • Country
    Brazil
  • Country Code
    BR
  • Website
  • Regional Registry
    Lacnic
  • Allocated Date
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    1
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    1
  • Ipv6 Upstreams
    0

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Brazil189.91.32.0/23
Webcenter Sist Prest de Servicos de Informatica
--IANA
Brazil189.91.34.0/24
Webcenter Sistemas - Prest. Servic Informatica Ltd
189.91.32.0/20Lacnic
countries.189.91.36.0/22
189.91.32.0/20Lacnic
countries.189.91.40.0/21
189.91.32.0/20Lacnic
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 1 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
BrazilAS22356
Durand do Brasil Ltda
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 1 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
BrazilAS22356
Durand do Brasil Ltda
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS28203 Combined Upstream Graph AS28203 AS28203 AS22356 AS22356 AS28203->AS22356 AS32613 AS32613 AS28203->AS32613 AS3491 AS3491 AS22356->AS3491 AS3257 AS3257 AS22356->AS3257 AS6461 AS6461 AS22356->AS6461 AS32613->AS3257 AS174 AS174 AS32613->AS174 AS6453 AS6453 AS32613->AS6453 AS7018 AS7018 AS3491->AS7018 AS1299 AS1299 AS3491->AS1299 AS2914 AS2914 AS3491->AS2914 AS3356 AS3356 AS3491->AS3356 AS3257->AS1299 AS3257->AS3356 AS2497 AS2497 AS3257->AS2497 AS1239 AS1239 AS3257->AS1239 AS3257->AS174 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS174->AS7018 AS174->AS1299 AS174->AS3356 AS6453->AS2914 AS6453->AS3356
AS28203 Combined Upstream Graph AS28203 AS28203 AS22356 AS22356 AS28203->AS22356 AS32613 AS32613 AS28203->AS32613 AS3491 AS3491 AS22356->AS3491 AS3257 AS3257 AS22356->AS3257 AS6461 AS6461 AS22356->AS6461 AS32613->AS3257 AS174 AS174 AS32613->AS174 AS6453 AS6453 AS32613->AS6453 AS7018 AS7018 AS3491->AS7018 AS1299 AS1299 AS3491->AS1299 AS2914 AS2914 AS3491->AS2914 AS3356 AS3356 AS3491->AS3356 AS3257->AS1299 AS3257->AS3356 AS2497 AS2497 AS3257->AS2497 AS1239 AS1239 AS3257->AS1239 AS3257->AS174 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS174->AS7018 AS174->AS1299 AS174->AS3356 AS6453->AS2914 AS6453->AS3356

World Map

WHOIS Details


% IP Client: 2a10:b641:57:c840:699e:59f1:bb22:c165
% 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.
% 2025-06-02T03:53:41-03:00 - 2a10:b641:57:c840:699e:59f1:bb22:c165

aut-num: AS28203
owner: Webcenter Sist Prest de Servicos de Informatica
ownerid: 05.936.319/0002-28
responsible: Ricardo Buchalla Auada
country: BR
owner-c: WESIS2
routing-c: RBA2
abuse-c: RBA2
created: 20080410
changed: 20130306
inetnum: 189.91.32.0/20

nic-hdl-br: WESIS2
person: Webcenter Sistemas
e-mail: [email protected]
country: BR
created: 20091216
changed: 20091216

nic-hdl-br: RBA2
person: Ricardo Buchalla Auada
e-mail: [email protected]
country: BR
created: 19971222
changed: 20221109

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


% IP Client: 2a10:b641:57:c840:699e:59f1:bb22:c165
% 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.
% 2025-06-02T03:53:41-03:00 - 2a10:b641:57:c840:699e:59f1:bb22:c165

aut-num: AS28203
owner: Webcenter Sist Prest de Servicos de Informatica
ownerid: 05.936.319/0002-28
responsible: Ricardo Buchalla Auada
country: BR
owner-c: WESIS2
routing-c: RBA2
abuse-c: RBA2
created: 20080410
changed: 20130306
inetnum: 189.91.32.0/20

nic-hdl-br: WESIS2
person: Webcenter Sistemas
e-mail: [email protected]
country: BR
created: 20091216
changed: 20091216

nic-hdl-br: RBA2
person: Ricardo Buchalla Auada
e-mail: [email protected]
country: BR
created: 19971222
changed: 20221109

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

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
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What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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