# 131.100.203.129 — IP Intelligence Summary

131.100.203.129 is an IPv4 address announced by AS271683, with approximate network location São Paulo, Brazil. It belongs to a residential connection. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/131.100.203.129
- Last updated: 2026-11-12

## Ownership

- Organization: BRISNET TELECOMUNICACOES LTDA
- Network name: 465090
- Allocated block: 131.100.200.0/22
- ASN: AS271683 (https://ipdebrief.com/asn/271683)
- Regional registry: ARIN
- Registered holder: BRISNET TELECOMUNICACOES LTDA
- Routing operator: —
- Network registration country: BR
- Registrant address country: —

## Location

- City: São Paulo
- Region: SP
- Country: Brazil
- Time zone: America/Sao_Paulo

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## Nearby addresses

- 131.100.203.202 (https://ipdebrief.com/131.100.203.202)

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Source: IPDebrief, "131.100.203.129 IP intelligence", https://ipdebrief.com/131.100.203.129, updated 2026-11-12. Assessments are probabilistic.