187.35.3.226
IP Intelligence Briefing: 187.35.3.226
Date: 2026-06-06
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**Core Profile**
- Risk Score: 40 (Moderate Risk)
- Geolocation: Brazil (SP, São Paulo), 2500 km accuracy radius.
- Network Role: Firewalled / No Services (no open ports, no TLS/HTTP services).
- Ownership: Linked to Telefónica Brasil (AS27699), but no ASN/org details available.
- Threat Indicators:
- Single observation flagged as "has threats" (confidence 0.75).
- No known malware campaigns, spam, or blacklisted activity.
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**Observation History**
- Recent Activity:
- June 6, 2026: Detected as Telefónica Brasil IP with threat pulse (1 pulse name).
- May 29, 2026: Subnet abuse density score of 1 (mostly clean, but 1 threat sibling in 187.35.3.0/24).
- Trend: No persistent malicious activity; threat observation count is low.
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**Relationships**
- DNS:
- PTR record: `187-35-3-226.dsl.telesp.net.br` (Telefónica Brasil).
- No email auth (SPF/DKIM) or domain hosting detected.
- Network:
- BGP prefix: `187.34.0.0/15` (AS27699, Telefónica Brasil).
- No CDN, cloud, or mobile carrier associations.
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**Neighborhood Analysis**
- Subnet: `187.35.3.0/24` (abuse density 1, mostly clean).
- Neighbors: No active IPs in the subnet (0 siblings), suggesting isolation.
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**Recommendations**
1. Block/Restrict: Implement firewall rules to block traffic from this IP (e.g., `iptables`, Cloudflare WAF).
2. Monitor: Track DNS activity for `187-35-3-226.dsl.telesp.net.br` for potential spoofing.
3. Verify: Cross-check with Telefónica Brasil for false positive alerts, as the IP appears to be a residential/firewalled host.
Next Steps: Investigate the single threat pulse for contextual relevance (e.g., misconfigured device, low-risk probing).
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 | 126543 |
| CIDR Block | 187.34.0.0/15 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 187-35-3-226.dsl.telesp.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 187-35-3-226.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 | 27% | 2 | 3 |
| routing | 19% | 1 | 2 |
| services | 13% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 22% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 20% | 9 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-13 12:12:27 UTC |
| Last Seen | 2026-06-06 20:39:29 UTC |
| Profile Built | 2026-06-06 20:52:21 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.