200.187.172.146
# IPDebrief Intelligence Briefing
Target IP: 200.187.172.146/32
Classification: Residential Endpoint | Risk Score: 25 (Low Risk)
Date: 2026-07-27
## Executive Summary
The target IP 200.187.172.146 is classified as a residential endpoint with low-risk characteristics. The IP belongs to ALGAR TELECOM S/A (ASN: 16735) and shows minimal threat indicators. No active security actions are recommended based on current risk profile.
## Ownership and Network Context
- Organization: ALGAR TELECOM S/A
- ASN: 16735
- CIDR Block: 200.187.160.0/20
- RIR: LACNIC
- Network Classification: Residential Endpoint
- Infrastructure Type: Residential
- Reverse DNS: 200-187-172-146.static.algartelecom.com.br
## Geolocation Analysis
- Reported Location: US, Massachusetts, Boston (from profile)
- Observed Location: Brazil (BR) with 52% confidence (from history)
- Assessment: Geographic inconsistency detected between profile and historical observations. RIR registration (LACNIC) aligns with Brazil observation.
## Threat Indicators
- Risk Score: 25/100 (Low Risk)
- Blacklist Count: 0
- DNSBL Listed: 1 of 8 total lists
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Abuse Confidence Score: Not applicable
## Historical Signal Observations
Fifteen observations recorded as of 2026-07-27. Key signals include:
- Residential classification consistently observed
- Operator score: 0.1304 (Minimal)
- DNSSEC validation: Valid
- No persistent malicious behavior detected
## Neighborhood Analysis (200.187.172.0/24)
- Total Siblings: 4
- Abuse Density: 0
- Risk Distribution: 1 medium, 3 low
- Notable Neighbors:
- 200.187.172.4: Risk Score 40
- 200.187.172.202: Risk Score 25
- 200.187.172.132: Risk Score 0
- 200.187.172.140: Risk Score 0
## Relationship Graph
- Same Network: 11094 (ALGAR TELECOM S/A)
- DNS Associations: 200-187-172-146.static.algartelecom.com.br (2 entries)
- No certificates or organizational relationships detected
## Recommended Security Actions
No security actions recommended. The IP presents minimal threat and does not require blocking or allowlisting. Standard residential IP filtering policies apply.
## SOC Analyst Notes
- Monitor for geographic inconsistency (US vs. BR) which may warrant additional verification if traffic patterns suggest otherwise
- Neighbor 200.187.172.4 (risk score 40) shows elevated risk; monitor for correlated activity
- No immediate threat indicators; treat as benign residential endpoint
- No firewall rules or WAF recommendations generated
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*Report generated by IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | ALGAR TELECOM S/A |
| ASN | AS16735 |
| Network Name | 11094 |
| CIDR Block | 200.187.160.0/20 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 200-187-172-146.static.algartelecom.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 200-187-172-146.static.algartelecom.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 | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS16735 |
| Network Prefix | 200.187.160.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 13% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-12 21:06:43 UTC |
| Last Seen | 2026-08-31 08:23:59 UTC |
| Profile Built | 2026-08-31 08:27:21 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 29 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 200.187.172.146
Who owns the IP address 200.187.172.146?
200.187.172.146 is registered to ALGAR TELECOM S/A. The address falls within the 200.187.160.0/20 network block. Registration is held at LACNIC.
Where is 200.187.172.146 located?
Geolocation data places 200.187.172.146 in João Pessoa, Paraíba, Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 200.187.172.146 malicious or safe?
200.187.172.146 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 200.187.172.146?
The reverse DNS (PTR) record for 200.187.172.146 is 200-187-172-146.static.algartelecom.com.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 200.187.172.146 a VPN, proxy, or data center address?
200.187.172.146 is classified as a residential network based on network ownership and behavioural analysis.