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	79,236,624,995,001,639,997,766,893,568
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	██████████	24
200.144.255.179	██████████	12
200.144.244.77	██████████	10
200.144.248.41	██████████	9
200.144.244.78	██████████	5
143.107.166.120	██████████	5
143.107.145.66	██████████	4
143.107.183.165	██████████	3
200.144.235.134	██████	3
143.107.152.210	██████████	3

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Peers

There are 44 peers for this ASN.

Peers	Name
AS10429	TELEFÔNICA BRASIL S.A
AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO
AS13786	Seabras 1 USA, LLC
AS14537	Continent 8 LLC
AS16552	Tiggee LLC
AS18881	TELEFÔNICA BRASIL S.A
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.
AS49544	i3D.net B.V
AS51185	MainStreaming SpA
AS52468	UFINET PANAMA S.A.
AS52863	UPX TECNOLOGIA LTDA
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 5 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
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

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

IP Address	ASN	Details
200.144.189.1	AS28571 UNIVERSIDADE DE SAO PAULO	`2.63ms` from Osasco, BR
200.144.235.1	AS28571 UNIVERSIDADE DE SAO PAULO	`1.99ms` from Osasco, BR
143.107.181.162	AS28571 UNIVERSIDADE DE SAO PAULO	`7.23ms` from Osasco, BR
200.144.190.3	AS28571 UNIVERSIDADE DE SAO PAULO	`2.14ms` from Osasco, BR
200.136.6.161	AS28571 UNIVERSIDADE DE SAO PAULO	`1.21ms` from Sao Paulo, BR
143.107.154.37	AS28571 UNIVERSIDADE DE SAO PAULO	`2.12ms` from Sao Paulo, BR
143.107.208.181	AS28571 UNIVERSIDADE DE SAO PAULO	`4.64ms` from Sao Paulo, BR
143.107.76.43	AS28571 UNIVERSIDADE DE SAO PAULO	`0.69ms` from Sao Paulo, BR
200.144.249.129	AS28571 UNIVERSIDADE DE SAO PAULO	`1.47ms` from Sao Paulo, BR
200.136.11.17	AS28571 UNIVERSIDADE DE SAO PAULO	`1.23ms` from Sao Paulo, BR
143.107.22.206	AS28571 UNIVERSIDADE DE SAO PAULO	`0.55ms` from Sao Paulo, BR
143.107.157.5	AS28571 UNIVERSIDADE DE SAO PAULO	`6.46ms` from Sao Paulo, BR
200.144.195.132	AS28571 UNIVERSIDADE DE SAO PAULO	`0.68ms` from Sao Paulo, BR
143.107.14.121	AS28571 UNIVERSIDADE DE SAO PAULO	`10.24ms` from Sao Paulo, BR
200.144.163.198	AS28571 UNIVERSIDADE DE SAO PAULO	`1.38ms` from Sao Paulo, BR
143.107.110.216	AS28571 UNIVERSIDADE DE SAO PAULO	`0.67ms` from Sao Paulo, BR
143.107.116.222	AS28571 UNIVERSIDADE DE SAO PAULO	`0.99ms` from Sao Paulo, BR
2001:12d0:ac80:1:74f2:9942:4982:5146	AS28571 UNIVERSIDADE DE SAO PAULO	`1.32ms` from Sao Paulo, BR
143.107.205.163	AS28571 UNIVERSIDADE DE SAO PAULO	`6.49ms` from Sao Paulo, BR
143.107.128.1	AS28571 UNIVERSIDADE DE SAO PAULO	`0.72ms` from Sao Paulo, BR
143.107.166.240	AS28571 UNIVERSIDADE DE SAO PAULO	`0.67ms` from Sao Paulo, BR
143.107.142.186	AS28571 UNIVERSIDADE DE SAO PAULO	`6.24ms` from Sao Paulo, BR
2001:12d0:8160:3:9209:d0ff:fe04:5d8e	AS28571 UNIVERSIDADE DE SAO PAULO	`1.34ms` from São Paulo, BR
143.107.184.214	AS28571 UNIVERSIDADE DE SAO PAULO	`7.01ms` from Osasco, BR
143.107.179.131	AS28571 UNIVERSIDADE DE SAO PAULO	`1.72ms` 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
54.90.197.235	AS14618 Amazon.com, Inc.	`0.55ms` from Ashburn, US
50.207.163.91	AS7922 Comcast Cable Communications, LLC	`1.39ms` from Boston, US
116.117.92.251	AS4837 CHINA UNICOM China169 Backbone	`12.35ms` from Changchun, CN
134.100.109.123	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`0.94ms` from Hamburg, DE
116.40.195.155	AS17858 LG POWERCOMM	`1.31ms` from Incheon, KR
106.70.180.75	AS4804 Microplex PTY LTD	`2.66ms` from Melbourne, AU
3.166.109.43	AS16509 Amazon.com, Inc.	`0.13ms` from Minneapolis, US
103.30.75.43	AS146943 Tier 4 Cloud Services	`0.15ms` from Mumbai, IN
200.15.9.27	AS2914 NTT America, Inc.	`0.16ms` from Osasco, BR
14.39.123.155	AS4766 Korea Telecom	`10.23ms` from Seoul, KR
211.200.112.123	AS9318 SK Broadband Co Ltd	`1.51ms` from Seoul, KR
41.104.105.91	AS36947 Telecom Algeria	`16.08ms` from Valencia, ES
40.68.247.251	AS8075 Microsoft Corporation	`0.23ms` from Amsterdam, NL
189.5.144.203	AS28573 Claro NXT Telecomunicacoes Ltda	`7.68ms` from Brasilia, BR
181.25.211.59	AS22927 Telefonica de Argentina	`18.92ms` from Buenos Aires, AR
140.192.99.75	AS20130 Depaul University	`0.75ms` from Chicago, US
105.247.130.219	AS36994 Vodacom	`8.30ms` from Johannesburg, ZA
39.137.73.27	AS9808 China Mobile Communications Group Co., Ltd.	`5.22ms` from Lanzhou, CN
104.34.233.235	AS20001 Charter Communications Inc	`5.52ms` from Los Angeles, US
147.127.57.155	AS1715 Renater	`5.87ms` from Marseille, FR
61.155.196.139	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	`4.63ms` from Nanjing, CN
207.148.21.155	AS20473 The Constant Company, LLC	`0.21ms` from Piscataway, US
2.237.164.123	AS12874 Fastweb SpA	`14.89ms` from Rome, IT
114.76.59.107	AS4804 Microplex PTY LTD	`4.68ms` from Sydney, AU
113.232.151.155	AS4837 CHINA UNICOM China169 Backbone	`7.85ms` from Tieling, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m9 177.90.89.203

traceroute to 177.90.89.203 (177.90.89.203): 9 hops max, 52 byte packets

2 [AS15830] 85.233.197.9 0.374 ms

3 [] 131.100.112.180 132.109 ms

4 [AS15830] 200.219.201.86 173.011 ms

5 *

6 [AS28571] 143.107.0.186 175.568 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Aubervilliers, FR

On March 20th 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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