177.171.74.87
Subject: IP Intelligence Briefing: 177.171.74.87
Asset Overview
The target IP was identified as a mobile device (Vivo carrier) associated with TELEFÔNICA BRASIL S.A (ASN 26599) in Belém, Brazil. The asset operated within the 177.171.0.0/16 block and was observed between July 11 and September 19.
Threat Profile
Analysis indicated a Low Risk reputation score of 25. No open ports, web services, or known malicious indicators were detected. The host was classified as "Suspicious" with no specific campaign attribution.
Environmental Context
The local /24 subnet (177.171.74.0/24) showed an abuse density of 0.6667, with two out of three active sibling IPs flagged as threats.
Recommendation
Monitor traffic for anomalies. No immediate blocking is required given the low overall risk score, but the neighborhood context warrants continued observation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | TELEFÔNICA BRASIL S.A |
| ASN | AS26599 |
| Network Name | 340992 |
| CIDR Block | 177.171.0.0/16 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177-171-74-87.user.vivozap.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-171-74-87.user.vivozap.com.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS26599 |
| Network Prefix | 177.168.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 18% | 1 | 4 |
| geolocation | 17% | 2 | 3 |
| Overall | 17% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 14:30:18 UTC |
| Last Seen | 2026-09-19 14:12:25 UTC |
| Profile Built | 2026-09-19 14:53:32 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 38 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 177.171.74.87
Who owns the IP address 177.171.74.87?
177.171.74.87 is registered to TELEFÔNICA BRASIL S.A. The address falls within the 177.171.0.0/16 network block. Registration is held at LACNIC.
Where is 177.171.74.87 located?
Geolocation data places 177.171.74.87 in Belém, Pará, Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 177.171.74.87 malicious or safe?
177.171.74.87 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 177.171.74.87?
The reverse DNS (PTR) record for 177.171.74.87 is 177-171-74-87.user.vivozap.com.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 177.171.74.87 a VPN, proxy, or data center address?
177.171.74.87 is classified as a mobile network based on network ownership and behavioural analysis.