Autonomous System details

AS28571

UNIVERSIDADE DE SAO PAULO · usp.br

Brazil

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AS28571 – UNIVERSIDADE DE SAO PAULO

Field	Value
Country	Brazil
Website	usp.br
Hosted domains	181
IPv4 addresses	162,816
IPv6 addresses	79,237,833,920,821,255,033,600,000,000
ASN type	Education
Registry	lacnic
Allocated	18 years ago on Dec 19, 2007
Updated	10 years ago on Nov 12, 2015

Netblock	Company	Num of IPs
143.107.0.0/16	UNIVERSIDADE DE SAO PAULO	65,536
177.90.128.0/17	UNIVERSIDADE DE SAO PAULO	32,768
177.90.64.0/18	UNIVERSIDADE DE SAO PAULO	16,384
200.144.192.0/18	UNIVERSIDADE DE SAO PAULO	16,384
177.90.32.0/19	UNIVERSIDADE DE SAO PAULO	8,192
200.144.160.0/19	UNIVERSIDADE DE SAO PAULO	8,192
200.17.16.0/20	UNIVERSIDADE DE SAO PAULO	4,096
200.136.0.0/20	UNIVERSIDADE DE SAO PAULO	4,096
200.144.48.0/20	UNIVERSIDADE DE SAO PAULO	4,096
200.144.184.0/21	UNIVERSIDADE DE SAO PAULO	2,048
200.144.240.0/22	UNIVERSIDADE DE SAO PAULO	1,024
200.144.244.0/22	UNIVERSIDADE DE SAO PAULO	1,024
143.107.44.0/23	UNIVERSIDADE DE SAO PAULO	512
143.107.84.0/23	UNIVERSIDADE DE SAO PAULO	512
143.107.92.0/23	UNIVERSIDADE DE SAO PAULO	512
143.107.178.0/23	UNIVERSIDADE DE SAO PAULO	512
200.18.106.0/23	Instituto Pesquisas Tecnológicas do Estado de S.P.	512
200.18.108.0/23	Instituto Pesquisas Tecnológicas do Estado de S.P.	512
200.136.52.0/23	INSTITUTO DE PESQUISA ENERGÉTICAS E NUCLEARES	512
200.144.62.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.72.0/23	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	512
200.144.180.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.182.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.206.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.234.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.250.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.252.0/23	UNIVERSIDADE DE SAO PAULO	512
200.144.254.0/23	UNIVERSIDADE DE SAO PAULO	512
143.107.3.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.8.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.14.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.27.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.64.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.86.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.88.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.154.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.248.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.252.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.253.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.254.0/24	UNIVERSIDADE DE SAO PAULO	256
200.9.95.0/24	UNIVERSIDADE DE SAO PAULO	256
200.17.27.0/24	UNIVERSIDADE DE SAO PAULO	256
200.18.53.0/24	Instituto Pesquisas Tecnológicas do Estado de S.P.	256
200.136.49.0/24	UNIVERSIDADE DE SAO PAULO	256
200.136.54.0/24	Instituto Butantan	256
200.144.60.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.212.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.236.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.237.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.238.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.239.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.248.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.249.0/24	UNIVERSIDADE DE SAO PAULO	256

Netblock	Company
2001:12d0::/32	UNIVERSIDADE DE SAO PAULO
2001:12d0::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:840::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:880::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:8c0::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:8068::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:8070::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:c000::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:c080::/48	UNIVERSIDADE DE SAO PAULO

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WHOIS Details

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                                                ASHandle:       AS28571
                                                OrgID:          AS28571
                                                ASName:         AS28571
                                                ASNumber:       AS28571
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 181 domain names hosted across 107 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
200.144.255.230	██████████	18
200.144.248.41	██████████	9
200.144.244.77	██████████	7
200.144.255.179	██████████	6
200.144.244.78	██████████	5
143.107.166.120	██████████	5
200.144.235.134	██████	3
143.107.152.210	██████████	3
143.107.183.165	██████████	3
143.107.108.23	████████	2

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Peers

There are 43 peers for this ASN.

Peers	Name
AS10429	TELEFÔNICA BRASIL S.A
AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO
AS132337	Axclusive
AS14537	Continent 8 LLC
AS16552	Tiggee LLC
AS1916	Rede Nacional de Ensino e Pesquisa
AS198150	SIACOM JSC
AS199524	G-Core Labs S.A.
AS22548	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS24482	SG.GS
AS262427	Invista Net Provedor de Acesso Ltda
AS262462	Aranet Play
AS263009	FORTE TELECOM LTDA.
AS263152	MIGO TELECOM
AS263237	PowerHost Telecom SPA
AS263541	IMF NETWORK DATA LTDA - ME
AS264409	GRUPO YAX
AS264479	Turbozone Internet
AS267613	ELETRONET S.A.
AS268976	Weclix Telecom S/A
AS269180	VIPNET Conexão
AS271253	LINK BRASIL TELECOMUNICACOES LTDA
AS28329	SAMM TECNOLOGIA E TELECOMUNICACOES S.A
AS28624	PROVEDORA CMA INTERNET LTDA
AS28634	Life Tecnologia Ltda.
AS29049	Delta Telecom Ltd
AS35280	F5 Networks SARL
AS36236	NetActuate, Inc
AS39120	Convergenze S.p.A.
AS43733	Viva Armenia CJSC
AS49544	i3D.net B.V
AS51185	MainStreaming SpA
AS52468	UFINET PANAMA S.A.
AS52873	Softdados Telecomunicações
AS53202	Acesso10 Telecom
AS57463	NetIX Communications JSC
AS60503	FNX Tecnologia LTDA
AS6057	Administracion Nacional de Telecomunicaciones
AS61573	IP TELECOM
AS61610	ELEA DATA CENTERS
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A
AS6424	EDGOO NETWORKS
AS6939	Hurricane Electric LLC

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Upstreams

There are 6 upstreams for this ASN.

upstreams	Name
AS10429	TELEFÔNICA BRASIL S.A
AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO
AS1916	Rede Nacional de Ensino e Pesquisa
AS52468	UFINET PANAMA S.A.
AS61610	ELEA DATA CENTERS
AS6939	Hurricane Electric LLC

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

343 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
200.136.14.249	AS28571 UNIVERSIDADE DE SAO PAULO	`8.40ms` from Osasco, BR
143.107.182.243	AS28571 UNIVERSIDADE DE SAO PAULO	`7.06ms` from Osasco, BR
143.107.149.11	AS28571 UNIVERSIDADE DE SAO PAULO	`0.87ms` from Sao Paulo, BR
2001:12d0:a000:8000::3d	AS28571 UNIVERSIDADE DE SAO PAULO	`5.26ms` from Sao Paulo, BR
143.107.136.254	AS28571 UNIVERSIDADE DE SAO PAULO	`6.26ms` from Sao Paulo, BR
143.107.32.44	AS28571 UNIVERSIDADE DE SAO PAULO	`2.76ms` from Sao Paulo, BR
200.144.72.37	AS28571 UNIVERSIDADE DE SAO PAULO	`1.22ms` from Sao Paulo, BR
200.136.10.129	AS28571 UNIVERSIDADE DE SAO PAULO	`1.55ms` from Sao Paulo, BR
143.107.74.137	AS28571 UNIVERSIDADE DE SAO PAULO	`0.92ms` from Sao Paulo, BR
143.107.172.76	AS28571 UNIVERSIDADE DE SAO PAULO	`0.88ms` from Sao Paulo, BR
200.136.1.33	AS28571 UNIVERSIDADE DE SAO PAULO	`1.22ms` from Sao Paulo, BR
200.18.109.1	AS28571 UNIVERSIDADE DE SAO PAULO	`0.79ms` from Sao Paulo, BR
143.107.90.7	AS28571 UNIVERSIDADE DE SAO PAULO	`0.73ms` from Sao Paulo, BR
143.107.114.75	AS28571 UNIVERSIDADE DE SAO PAULO	`2.49ms` from Sao Paulo, BR
143.107.6.122	AS28571 UNIVERSIDADE DE SAO PAULO	`0.88ms` from Sao Paulo, BR
143.107.10.17	AS28571 UNIVERSIDADE DE SAO PAULO	`0.83ms` from Sao Paulo, BR
200.17.30.212	AS28571 UNIVERSIDADE DE SAO PAULO	`0.63ms` from Sao Paulo, BR
143.107.9.85	AS28571 UNIVERSIDADE DE SAO PAULO	`0.86ms` from Sao Paulo, BR
143.107.145.1	AS28571 UNIVERSIDADE DE SAO PAULO	`1.11ms` from Sao Paulo, BR
143.107.41.171	AS28571 UNIVERSIDADE DE SAO PAULO	`0.77ms` from Sao Paulo, BR
2001:12d0::30	AS28571 UNIVERSIDADE DE SAO PAULO	`1.96ms` from São Paulo, BR
143.107.225.61	AS28571 UNIVERSIDADE DE SAO PAULO	`7.09ms` from Osasco, BR
143.107.228.135	AS28571 UNIVERSIDADE DE SAO PAULO	`7.08ms` from Osasco, BR
200.144.218.127	AS28571 UNIVERSIDADE DE SAO PAULO	`7.25ms` from Osasco, BR
200.144.203.1	AS28571 UNIVERSIDADE DE SAO PAULO	`7.30ms` from Osasco, BR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
195.230.110.11	AS34756 NEP Media Solutions B.V.	`0.79ms` from Amsterdam, NL
91.207.62.91	AS48015 NAFTNA INDUSTRIJA SRBIJE A.D.	`0.59ms` from Belgrade, RS
178.165.119.219	AS34700 MAXNET TELECOM, LTD	`6.91ms` from Kyiv, UA
177.25.89.155	AS26599 TELEFÔNICA BRASIL S.A	`2.12ms` from Novo Hamburgo, BR
98.66.179.203	AS8075 Microsoft Corporation	`0.58ms` from Paris, FR
74.123.131.123	AS26671 Wynn Resorts Limited	`6.73ms` from Phoenix, US
47.116.28.75	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.03ms` from Shanghai, CN
178.199.126.203	AS3303 Swisscom (Switzerland) Ltd	`1.33ms` from Zuerich, CH
69.234.137.171	AS7018 AT&T Enterprises, LLC	`3.74ms` from Atlanta, US
18.236.86.171	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
196.11.52.27	AS37691 Thought Express Semantic Technology	`1.67ms` from Cape Town, ZA
183.230.135.203	AS9808 China Mobile Communications Group Co., Ltd.	`5.27ms` from Chongqing, CN
98.195.241.187	AS7922 Comcast Cable Communications, LLC	`4.64ms` from Houston, US
221.142.147.91	AS9318 SK Broadband Co Ltd	`6.10ms` from Incheon, KR
81.34.22.219	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.75ms` from Madrid, ES
77.108.19.187	AS34606 B.B.Bell SPA	`3.88ms` from Milan, IT
109.168.7.187	AS5602 Retelit Digital Services S.p.A.	`2.16ms` from Milan, IT
52.219.159.251	AS16509 Amazon.com, Inc.	`0.20ms` from Mumbai, IN
117.222.216.11	AS9829 National Internet Backbone	`9.35ms` from Mumbai, IN
129.222.229.91	AS14593 Space Exploration Technologies Corporation	`13.22ms` from New York City, US
23.222.209.107	AS16625 Akamai Technologies, Inc.	`2.65ms` from Santiago de Queretaro, MX
115.17.96.43	AS4766 Korea Telecom	`7.55ms` from Seoul, KR
1.165.187.43	AS3462 Data Communication Business Group	`1.06ms` from Taichung, TW
182.151.36.107	AS38283 CHINANET SiChuan Telecom Internet Data Center	`1.91ms` from Chengdu, CN
69.144.130.203	AS33588 Charter Communications LLC	`0.53ms` from Denver, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f9 -m15 200.136.52.198

traceroute to 200.136.52.198 (200.136.52.198): 15 hops max, 52 byte packets

9 [AS16509] 52.93.146.230 28.243 ms

10 *

11 *

12 [AS28571] 143.107.0.186 30.272 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Buenos Aires, AR

On April 24th 2026

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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.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS28571 at robtex.

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