🏢 Ownership & Registration
| Organization | BRISANET SERVICOS DE TELECOMUNICACOES S.A |
| ASN | AS28126 |
| Network Name | 126291 |
| CIDR Block | 187.19.128.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 187-19-217-56-tmp.static.brisanet.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 187-19-217-56-tmp.static.brisanet.net.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Web Server |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8080 | http-alt | tcp | — |
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 3389 (4 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
CN=*.nperf.net was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.| SANs | *.nperf.netnperf.net |
| Valid From | 2026-02-25T00:00:00+00:00 |
| Valid Until | 2026-09-11T23:59:59+00:00 (expired) |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
🛡️ Public Network Snapshot
| Origin ASN | AS28126 |
| Network Prefix | 187.19.208.0/20 |
| Route mapping | Found |
| HSTS | Enabled |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 6 |
| Data Coherence | Mixed Signals (62%) — 2 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Classified as residential but has 4 open ports
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-15 10:08:50 UTC |
| Last Seen | 2026-09-01 00:09:54 UTC |
| Profile Built | 2026-09-01 00:11:12 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ 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.