177.139.18.79
IP Intelligence Briefing: 177.139.18.79
Date: 2026-06-02
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ISP: TELEFÔNICA BRASIL S.A (ASN 27699)
- Location: São Paulo, Brazil (SP)
- Network Role: Firewalled / No Services
- DNS:
- PTR hostname: `177-139-18-79.dsl.telesp.net.br`
- No email authentication records (SPF/DKIM)
- Threat Indicators:
- No malware, spam, or attack signatures detected
- Not listed in DNSBLs or blacklists
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**2. Observation History**
- Recent Activity (June 2, 2026):
- Subnet `177.139.18.79/24` classified as "mostly_clean" with low abuse density (score 1).
- No persistent malicious activity or ownership changes.
- No DNS or TLS certificate anomalies.
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**3. Network Relationships**
- Subnet Associations:
- Linked to ASN 27699 (TELEFÔNICA BRASIL S.A) via CIDR `177.138.0.0/15`.
- DNS:
- Resolves to `177-139-18-79.dsl.telesp.net.br` (no further domain links).
- No Known Campaigns or Malicious Connections.
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**4. Neighborhood Analysis**
- Subnet: `177.139.18.79/24`
- Neighbor Data:
- No public neighbors detected (may be a private subnet or limited IP range).
- Subnet abuse density: 1 (low risk).
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**5. Recommendations**
- Monitor: Track subnet `177.139.18.79/24` for unexpected DNS changes or new threats.
- No Immediate Action Required: No malicious indicators detected.
- Context: Likely a legitimate telecom infrastructure IP with no active compromise.
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Source: IPDebrief Intelligence Platform
Note: No high-risk activity observed. Stay alert for anomalies in network behavior.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | TELEFÔNICA BRASIL S.A |
| ASN | AS27699 |
| Network Name | 181087 |
| CIDR Block | 177.138.0.0/15 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177-139-18-79.dsl.telesp.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-139-18-79.dsl.telesp.net.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 24% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:56 UTC |
| Last Seen | 2026-06-22 22:08:21 UTC |
| Profile Built | 2026-06-22 22:10:38 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.