AS28571 UNIVERSIDADE DE SAO PAULO details

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AS28571 – UNIVERSIDADE DE SAO PAULO

Field	Value
Country	Brazil
Website	usp.br
Hosted domains	172
Number of IPv4	163,072
Number of IPv6	79,237,833,920,821,254,626,941,599,744
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
200.136.0.0/20	UNIVERSIDADE DE SAO PAULO	4,096
200.144.48.0/20	UNIVERSIDADE DE SAO PAULO	4,096
200.17.16.0/20	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
143.107.178.0/23	UNIVERSIDADE DE SAO PAULO	512
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
200.136.52.0/23	INSTITUTO DE PESQUISA ENERGÉTICAS E NUCLEARES	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
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
200.18.106.0/23	Instituto Pesquisas Tecnológicas do Estado de S.P.	512
200.18.108.0/23	Instituto Pesquisas Tecnológicas do Estado de S.P.	512
143.107.14.0/24	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
143.107.27.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.3.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.64.0/24	UNIVERSIDADE DE SAO PAULO	256
143.107.8.0/24	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
200.136.49.0/24	UNIVERSIDADE DE SAO PAULO	256
200.136.54.0/24	Instituto Butantan	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
200.144.60.0/24	UNIVERSIDADE DE SAO PAULO	256
200.144.83.0/24	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO 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
200.9.95.0/24	UNIVERSIDADE DE SAO PAULO	256

Netblock	Company
2001:12d0::/32	UNIVERSIDADE DE SAO PAULO
2001:12d0::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:8068::/48	UNIVERSIDADE DE SAO PAULO
2001:12d0:8070::/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: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 172 domain names hosted across 101 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	██████████	4
143.107.145.66	██████████	4
200.144.235.134	██████	3
143.107.152.210	██████████	3
143.107.45.126	██████████	2
200.144.255.62	██████████	2

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Peers

There are 1,923 peers for this ASN.

Peers	Name
AS10099	China Unicom Global
AS10310	Oath Holdings Inc.
AS10429	TELEFÔNICA BRASIL S.A
AS10733	DC MATRIX INTERNET S/A
AS10906	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS10954	SERVICO FEDERAL DE PROCESSAMENTO DE DADOS - SERPRO
AS11019	HAProxy Technologies, Inc.
AS11284	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS11338	SKY SERVIÇOS DE BANDA LARGA LTDA
AS11432	Telium Telecomunicações Ltda
AS11644	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS11844	Empresa Catarinense de Tecnologia em Telecom. Ltda
AS12136	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO
AS13335	Cloudflare, Inc.
AS13357	Ampernet Telecomunicações Ltda
AS137831	SEA IX
AS13786	Seabras 1 USA, LLC
AS138915	Kaopu Cloud HK Limited
AS139341	ACE
AS14026	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS14282	PERSIS TELECOM
AS14463	TDKOM INFORMÁTICA LTDA
AS14593	Space Exploration Technologies Corporation
AS14650	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS14868	Ligga Telecomunicações S.A.
AS14907	Wikimedia Foundation Inc.
AS15169	Google LLC
AS15695	Expereo International BV
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS15967	Nazwa.pl Sp.z.o.o.
AS16552	Tiggee LLC
AS16685	TIVIT TERCEIRIZAÇÃO DE PROCESSOS, SERV. E TEC. S/A
AS16735	ALGAR TELECOM S/A
AS16921	Inteliglobe USA, Inc.
AS17222	MUNDIVOX DO BRASIL LTDA
AS18881	TELEFÔNICA BRASIL S.A
AS1916	Rede Nacional de Ensino e Pesquisa
AS19551	Incapsula Inc
AS199524	G-Core Labs S.A.
AS199610	marbis GmbH
AS19990	ZetaNET Telecom
AS20144	ICANN
AS20473	The Constant Company, LLC
AS213344	FLAME HOST BRASIL LTDA
AS214331	TESKE VIRTUAL SYSTEM LTDA
AS214657	Bls Services Tecnologia em Software Ltda
AS215248	Bastiaan Mathijs Brink
AS21574	Century Telecom Ltda
AS21859	Zenlayer Inc
AS22250	ABRANET- Associação Brasileira de Internet
AS22356	Durand do Brasil Ltda
AS22381	Megatelecom Telecomunicacoes Ltda
AS22548	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR
AS22689	SERCOMTEL S/A TELECOMUNICACOES
AS23028	Team Cymru Inc.
AS23074	PETROLEO BRASILEIRO S.A. - PETROBRAS
AS23106	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT
AS23344	Disney Worldwide Services, Inc.
AS23764	CTGNet
AS24482	SG.GS
AS25192	CZ.NIC, z.s.p.o.
AS25933	Vogel Soluções em Telecom e Informática S/A
AS262268	MAX NET TELECOMUNICACOES
AS262285	VIVAS TELECOMUNICACOES LTDA
AS262287	Latitude.sh LTDA
AS262288	Go In Tecnologia
AS262290	Newparce Telecomunicações Ltda ME
AS262293	Sistema Oeste de Serviços LTDA
AS262299	INEXA - Flavio Jose Penso Junior - ME
AS262300	SUPER CONNECT TELECOM LTDA
AS262302	MATERA & MATERA LTDA
AS262306	Condax Tecnologia Ltda.
AS262311	IMBRANET TELECOM
AS262313	Internet Pinheirense Ltda - ME
AS262316	Ateky Internet Eireli Me
AS262317	ROS Telecom
AS262323	STAR CONECT TELECOM LTDA
AS262342	WZNET TELECOM LTDA
AS262343	Net Aki Internet Ltda
AS262346	FP Telecomunicacoes Ltda
AS262352	NOVA TELECOM LTDA
AS262354	GIGA MAIS FIBRA TELECOMUNICACOES S.A. (LIGUE)
AS262355	VSX Networks
AS262360	NEDEL TELECOM
AS262364	VIASATDIGITAL TELECOM LTDA
AS262365	IBI TELECOM EIRELI
AS262369	ok virtual provedor de internet ltda
AS262380	Rontel LTDA
AS262381	NETCOMET Comércio e Serviços Ltda.
AS262385	VSAT- TELECOMUNICAÇÕES LTDA
AS262387	Intermicro Ltda
AS262401	GSTN TELECOMUNICACOES LTDA
AS262403	Net Way Telecom LTDA ME
AS262404	JC SERVICOS DE INTERNET LTDA
AS262406	MELFINET - National Telecom SCM Ltda
AS262409	CLICK82 SERVICOS DE COMUNICACAO EIRELI
AS262416	KASPER, GOBBI E SOARES LTDA
AS262417	UltraTelecom Provedora de Internet
AS262428	LINK10 BR

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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
AS270776	Hiperlink Telecom LTDA
AS61610	ELEA DATA CENTERS
AS6939	Hurricane Electric LLC

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Downstreams

There are 2 downstreams for this ASN.

Downstreams	Name
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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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
200.144.203.1	AS28571 UNIVERSIDADE DE SAO PAULO	`8.42ms` from Osasco, BR
2001:12d0:40a0::93	AS28571 UNIVERSIDADE DE SAO PAULO	`8.51ms` from Osasco, BR
200.144.189.1	AS28571 UNIVERSIDADE DE SAO PAULO	`2.22ms` from Osasco, BR
200.144.187.65	AS28571 UNIVERSIDADE DE SAO PAULO	`2.18ms` from Osasco, BR
143.107.191.149	AS28571 UNIVERSIDADE DE SAO PAULO	`6.71ms` from Sao Paulo, BR
200.144.200.219	AS28571 UNIVERSIDADE DE SAO PAULO	`0.76ms` from Sao Paulo, BR
200.136.11.17	AS28571 UNIVERSIDADE DE SAO PAULO	`1.48ms` from Sao Paulo, BR
143.107.114.242	AS28571 UNIVERSIDADE DE SAO PAULO	`1.90ms` from Sao Paulo, BR
200.144.225.246	AS28571 UNIVERSIDADE DE SAO PAULO	`0.89ms` from Sao Paulo, BR
200.136.7.247	AS28571 UNIVERSIDADE DE SAO PAULO	`0.96ms` from Sao Paulo, BR
200.144.226.129	AS28571 UNIVERSIDADE DE SAO PAULO	`0.95ms` from Sao Paulo, BR
143.107.50.171	AS28571 UNIVERSIDADE DE SAO PAULO	`0.92ms` from Sao Paulo, BR
143.107.231.104	AS28571 UNIVERSIDADE DE SAO PAULO	`7.50ms` from Sao Paulo, BR
200.144.48.129	AS28571 UNIVERSIDADE DE SAO PAULO	`1.48ms` from Sao Paulo, BR
143.107.228.20	AS28571 UNIVERSIDADE DE SAO PAULO	`7.40ms` from Sao Paulo, BR
143.107.45.30	AS28571 UNIVERSIDADE DE SAO PAULO	`1.31ms` from Osasco, BR
143.107.14.121	AS28571 UNIVERSIDADE DE SAO PAULO	`9.91ms` from Osasco, BR
143.107.88.13	AS28571 UNIVERSIDADE DE SAO PAULO	`1.30ms` from Osasco, BR
200.136.12.249	AS28571 UNIVERSIDADE DE SAO PAULO	`8.10ms` from Sao Paulo, BR
2001:12d0:8060::1	AS28571 UNIVERSIDADE DE SAO PAULO	`1.41ms` from Sao Paulo, BR
200.144.204.249	AS28571 UNIVERSIDADE DE SAO PAULO	`8.75ms` from Sao Paulo, BR
143.107.149.154	AS28571 UNIVERSIDADE DE SAO PAULO	`0.94ms` from Sao Paulo, BR
143.107.51.3	AS28571 UNIVERSIDADE DE SAO PAULO	`1.02ms` from Sao Paulo, BR
200.144.213.40	AS28571 UNIVERSIDADE DE SAO PAULO	`8.65ms` from Sao Paulo, BR
143.107.253.9	AS28571 UNIVERSIDADE DE SAO PAULO	`1.47ms` from Sao Paulo, 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
35.221.9.251	AS396982 Google LLC	`0.13ms` from Ashburn, US
181.45.247.123	AS27747 Telecentro S.A.	`6.62ms` from Buenos Aires, AR
75.187.203.171	AS10796 Charter Communications Inc	`12.88ms` from Columbus, US
67.222.101.251	AS33494 IHNetworks, LLC	`0.18ms` from Draper, US
42.116.52.11	AS18403 FPT Telecom Company	`1.21ms` from Ho Chi Minh City, VN
85.119.25.27	AS197039 Nomura International Plc	`1.55ms` from London, GB
86.129.93.43	AS2856 British Telecommunications PLC	`3.11ms` from London, GB
90.207.207.187	AS5607 Sky UK Limited	`1.81ms` from London, GB
104.32.3.187	AS20001 Charter Communications Inc	`6.71ms` from Los Angeles, US
77.51.119.139	AS12389 PJSC Rostelecom	`2.61ms` from Moscow, RU
126.145.221.59	AS17676 SoftBank Corp.	`4.39ms` from Osaka, JP
177.205.25.59	AS18881 TELEFÔNICA BRASIL S.A	`10.18ms` from Sao Paulo, BR
182.212.201.171	AS17858 LG POWERCOMM	`4.54ms` from Seoul, KR
58.174.65.139	AS1221 Telstra Limited	`5.19ms` from Adelaide, AU
60.232.200.59	AS63540 Shandong Cloud Comb Culture CO.LTD	`11.06ms` from Beijing, CN
185.103.13.75	AS25281 MTM s.a.r.l	`2.97ms` from Beirut, LB
41.233.89.43	AS8452 TE-AS	`5.71ms` from Cairo, EG
188.149.27.187	AS1257 Tele2 Sverige AB	`3.39ms` from Copenhagen, DK
52.51.238.75	AS16509 Amazon.com, Inc.	`0.29ms` from Dublin, IE
129.204.188.235	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.98ms` from Guangzhou, CN
115.231.194.251	AS4134 CHINANET-BACKBONE	`5.26ms` from Hangzhou, CN
31.111.1.123	AS6871 Plusnet	`7.82ms` from London, GB
97.228.103.43	AS6167 Verizon Business	`13.94ms` from Los Angeles, US
114.175.66.251	AS4713 NTT Communications Corporation	`11.20ms` from Osaka, JP
34.163.120.139	AS396982 Google LLC	`0.08ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -f3 -m10 200.144.51.230

traceroute to 200.144.51.230 (200.144.51.230): 10 hops max, 52 byte packets

3 [AS3549] 200.189.213.62 204.011 ms

4 [AS3549] 200.196.78.170 192.801 ms

5 *

6 [AS28571] 143.107.23.68 208.465 ms

7 [AS28571] 143.107.251.78 213.446 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On August 22nd 2025

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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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