## INTELLIGENCE BRIEFING: 201.139.181.10/32
Classification: LOW RISK — Legitimate ISP Infrastructure
Date: 2026-07-24
Analyst: IPDebrief Intelligence Platform
Executive Summary
IP address 201.139.181.10 is classified as a low-risk, legitimate residential ISP address with no malicious indicators. The IP belongs to Telecomunicaciones Autónomas Sin Límite, S.A. de C.V. and is assigned to the 201.139.176.0/21 block in the LACNIC region. All observed signals indicate normal ISP infrastructure with no abuse activity detected.
Technical Profile
Risk Assessment: Risk score 0/10, reputation "Low Risk"
Ownership: ASN 28387, Org: Telecomunicaciones Autónomas Sin Límite, S.A. de C.V.
Geolocation: Mexico (MX), Puebla region, Chignahuapan
Network: 201.139.176.0 - 201.139.183.255 (/21 block)
DNS: Resolves to 201-139-181-10.blacom.net (forward confirmed)
Services: No open ports detected (firewalled/no services)
Network Role: Residential ISP endpoint, not hosting/proxy/VPN/Tor infrastructure
Threat Indicators
Abuse Signals: None detected
- Blacklist count: 0
- Abuse confidence score: Not applicable
- Known attacker: False
- Spam source: False
- Tor exit node: False
- Known campaigns: None correlated
Control Plane: Route stable, no BGP anomalies, DNSSEC validated, no DNSBL listings
Observation History
Eighteen historical observations recorded, most recent on 2026-07-24. Geolocation signals remain consistent (Puebla, MX) with stable ownership attribution. Subnet classification has been "clean" throughout the observation period. No threat persistence patterns detected.
Neighborhood Analysis
Subnet 201.139.181.10/24: Abuse density 0, classified as "clean." No high/medium risk neighbors identified in the /24 boundary. The /21 parent block (201.139.176.0/21) shows no inherited risk signals.
Relationship Graph
DNS associations link to 201-139-181-10.blacom.net. Same network relationships confirmed with the 201.139.176.0 - 201.139.183.255 block. No suspicious correlations to external threat actors.
Recommended Actions
Firewall/Blocking: Not recommended. No malicious indicators present.
Monitoring: Standard logging sufficient; no special threat monitoring required.
Verification: No additional intelligence gathering necessary.
Conclusion
201.139.181.10 represents legitimate ISP infrastructure with no malicious activity. The IP is properly registered, geographically consistent, and exhibits normal residential ISP characteristics. No blocking or special handling is warranted. SOC teams may treat connections from this IP as benign traffic unless other contextual indicators suggest otherwise.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Telecomunicaciones Autónomas Sin Límite, S.A. de C.V. |
| ASN | AS28387 |
| Network Name | 201.139.176.0 - 201.139.183.255 |
| CIDR Block | 201.139.176.0/21 |
| RIR | LACNIC |
| Country | MX |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 201-139-181-10.blacom.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 201-139-181-10.blacom.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS28387 |
| Network Prefix | 201.139.181.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 18% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-07 12:35:22 UTC |
| Last Seen | 2026-08-27 03:00:29 UTC |
| Profile Built | 2026-08-29 06:21:02 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 201.139.181.10
Who owns the IP address 201.139.181.10?
201.139.181.10 is registered to Telecomunicaciones Autónomas Sin Límite, S.A. de C.V.. The address falls within the 201.139.176.0/21 network block. Registration is held at LACNIC.
Where is 201.139.181.10 located?
Geolocation data places 201.139.181.10 in Chignahuapan, Puebla, Mexico. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 201.139.181.10 malicious or safe?
201.139.181.10 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 201.139.181.10?
The reverse DNS (PTR) record for 201.139.181.10 is 201-139-181-10.blacom.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 201.139.181.10 a VPN, proxy, or data center address?
201.139.181.10 is classified as a residential network based on network ownership and behavioural analysis.