IPDebrief

187.19.217.56

IP Intelligence Dossier
Your IP: 216.73.217.131
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🌍 Geolocation

Country🇧🇷 Brazil
RegionCeará
CityIguatu
Timezone—
Latitude-6.36
Longitude-39.28

🏢 Ownership & Registration

OrganizationBRISANET SERVICOS DE TELECOMUNICACOES S.A
ASNAS28126
Network Name126291
CIDR Block187.19.128.0/17
RIRLACNIC
CountryBR
Abuse Contact—

🌐 DNS Intelligence

PTR187-19-217-56-tmp.static.brisanet.net.br
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnames187-19-217-56-tmp.static.brisanet.net.br

🔐 DNS Hygiene

Hygiene Score20% (Poor)
SPF0/2 domains
DMARC0/2 domains
FCrDNSNot verified
DNSSECValid
CAANot configured
Domains Checked2 domains

☁️ Network Classification

InfrastructureResidential
Service PurposeWeb Server
Network TierEnd-User — Residential ISP endpoint
Residential

🔌 Services & Open Ports

PortServiceProtocolBanner
80httptcp—
443httpstcp—
8080http-alttcp—
8443https-alttcp—
Closed Ports22, 25, 3389 (4 open / 7 scanned)
ServerWeb server detected
HTTP Title—
⚠ Unusual for residential — open services on a home connection may indicate self-hosting, compromise, or misconfigured networking equipment.

🔐 TLS Certificate

An expired certificate for CN=*.nperf.net was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.
🔒
CN=*.nperf.net
Issued by CN=GandiCert, O=Gandi SAS, C=FR
Self-signed: No
SANs*.nperf.netnperf.net
Valid From2026-02-25T00:00:00+00:00
Valid Until2026-09-11T23:59:59+00:00 (expired)
TLS ProtocolTls13
Cipher SuiteTLS_AES_256_GCM_SHA384
Signature Algorithmsha256RSA
Validity Period198 days

🛡️ Public Network Snapshot

Origin ASNAS28126
Network Prefix187.19.208.0/20
Route mappingFound
HSTSEnabled
CSPNot detected
HTTP/2Not detected

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
35%
22
routing
25%
11
services
25%
11
ownership
0%
00
reputation
25%
11
geolocation
25%
11
Overall22%66
Coverage: 5/6 dimensions · Data sufficiency: partial
Data CoherenceMixed Signals (62%) — 2 contradiction(s)
AttributionLow (35%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid
⚠ Claimed geolocation contradicts RTT physics measurement
⚠ Classified as residential but has 4 open ports

📅 Observation Timeline 🔄 Live

First Seen2026-07-15 10:08:50 UTC
Last Seen2026-09-01 00:09:54 UTC
Profile Built2026-09-01 00:11:12 UTC
Data FreshnessLive
Signal Types20
Total Observations23
🔍 20 signal types · 23 observations collected
This report is generated from 20+ 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.
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❓ Frequently Asked Questions About 187.19.217.56

Who owns the IP address 187.19.217.56?

187.19.217.56 is registered to BRISANET SERVICOS DE TELECOMUNICACOES S.A. The address falls within the 187.19.128.0/17 network block. Registration is held at LACNIC.

Where is 187.19.217.56 located?

Geolocation data places 187.19.217.56 in Iguatu, Ceará, Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 187.19.217.56 malicious or safe?

187.19.217.56 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.

What is the hostname for 187.19.217.56?

The reverse DNS (PTR) record for 187.19.217.56 is 187-19-217-56-tmp.static.brisanet.net.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.

What ports are open on 187.19.217.56?

Responsive ports observed on 187.19.217.56 include 80, 443, 8080, 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.

Is 187.19.217.56 a VPN, proxy, or data center address?

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

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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.