IPDebrief

131.100.203.129

IP Intelligence Dossier
Your IP: 216.73.216.131

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.

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🌍 Geolocation

Country🇧🇷 Brazil
Location scopeApproximate network location. Distributed and anycast services can vary by observation point.
Anycast classificationUnverified (not proof of unicast)
RegionSP
CitySão Paulo
TimezoneAmerica/Sao_Paulo
Latitude-23.55
Longitude-46.64

🏢 Ownership & Registration

Registered holderBRISNET TELECOMUNICACOES LTDA
ASNAS271683
Network Name465090
CIDR Block131.100.200.0/22
RIRARIN
Network registration countryBR
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)

DNS Posture

Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.

Not assessed: 0 conclusive IP DNS checks.

spfNot checked
dmarcNot checked
fcrDnsNot checked
dnssecNot checked
caaNot checked

☁️ Network Classification

InfrastructureResidential
Service PurposeResidential Endpoint
Network TierEnd-User — Residential ISP endpoint
Residential

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate captured; current certificate unknown
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS271683
Network Prefix131.100.203.0/24
Route mappingFound

📅 Observation Timeline 🔄 Aging

First Seen2026-11-05 13:21:25 UTC
Last Seen2026-11-05 13:21:25 UTC
Profile Built2026-11-12 21:09:50 UTC
Data FreshnessAging
Signal Types11
Total Observations11
🔍 11 signal types · 11 observations collected
This report is generated from 11+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
Full dossier details are available via our API.
{ } JSON API 📧 Enterprise Access

❓ Frequently Asked Questions About 131.100.203.129

Who owns the IP address 131.100.203.129?

131.100.203.129 is registered to BRISNET TELECOMUNICACOES LTDA. The address falls within the 131.100.200.0/22 network block. Registration is held at ARIN.

Where is 131.100.203.129 located?

Geolocation data places 131.100.203.129 in São Paulo, SP, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.

Is 131.100.203.129 malicious or safe?

131.100.203.129 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.

Is 131.100.203.129 a VPN, proxy, or data center address?

131.100.203.129 is classified as a residential network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Nearby addresses in 131.100.200.0/22

131.100.203.202

Browse related networks

All addresses in AS271683🇧🇷 BrazilNetwork directory

ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.