143.107.249.0

São Paulo · Brazil · UNIVERSIDADE DE SAO PAULO

Autonomous system: AS28571
Country: BR
Risk score

IP address summary

IP address: 143.107.249.0
ASN: AS28571
Network operator: UNIVERSIDADE DE SAO PAULO
ISP: UNIVERSIDADE DE SAO PAULO
Containing network profile: 143.0.0.0/8
Operator category: Academic

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS28571
Source label: AS28571 - UNIVERSIDADE DE SAO PAULO
Reference interval: 143.107.249.0 to 143.107.255.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS28571. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Brazil
City: São Paulo
Region: São Paulo
Postal code: Not supplied
Timezone: America/Sao_Paulo
Local time: 2026-11-12 13:24:18
Approximate coordinates: -23.533, -46.645

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0 / 100

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS28571 profile

Organization: UNIVERSIDADE DE SAO PAULO
ASN domain: usp.br
Operator type: Academic

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 143.107.0.0/16
Registered network name: 200229
Registered network block: 143.107.0.0/16
Registration source: LACNIC WHOIS
Company: UNIVERSIDADE DE SAO PAULO
Usage type: business
Company website: usp.br

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: CSIRT USP / Grupo de Segurança em TI
Published contact network: 143.107.0.0/16
Abuse email: security@usp.br
Contact country: Brazil

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

143.107.249.0 · live response

{
  "ip": "143.107.249.0",
  "isp": {
    "asn": "AS28571",
    "org": "UNIVERSIDADE DE SAO PAULO",
    "isp": "UNIVERSIDADE DE SAO PAULO"
  },
  "location": {
    "country": "Brazil",
    "country_code": "BR",
    "city": "São Paulo",
    "state": "São Paulo",
    "zipcode": "",
    "latitude": -23.53324840018666,
    "longitude": -46.64494799087186,
    "timezone": "America/Sao_Paulo",
    "localtime": "2026-11-12T13:24:18"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}