181.56.134.21
# IP Intelligence Briefing: 181.56.134.21
## Executive Summary
IP 181.56.134.21 is a residential/infrastructure IP from Telmex Colombia S.A. (ASN: 10620) with a risk score of 0. The address shows no malicious activity, no blacklist entries, and no persistent threat indicators. Recommended action: Monitor but no blocking required.
## Profile Overview
- Risk Score: 0 (Low Risk)
- Reputation: Low Risk
- ASN: 10620 (Telmex Colombia S.A.)
- Organization: Telmex Colombia S.A.
- CIDR Block: 181.56.0.0/13
- Country: Colombia (CO)
- Region: Valle del Cauca Department, Cali
- Timezone: America/Bogota
- Registration: lacnic RIR
## Network Classification
- Network Role: Firewalled / No Services
- Is Cloud: No
- Is CDN: No
- Is Proxy/Tor: No
- Is Hosting: No
- Is Residential: No
- Is Bogon: No
- Open Ports: None detected
- TLS Certificate: Not present
- HTTP Services: No active HTTP services detected
## DNS Intelligence
- PTR Hostname: static-ip-1815613421.cable.net.co
- Forward Resolution: static-ip-1815613421.cable.net.co (1 record)
- Domain: net.co
- Email Auth: No SPF or DMARC records configured
## Threat Indicators
- Abuse Confidence Score: N/A
- Blacklist Count: 0
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Threat Feeds: No matches
- DNSBL Listed: 0 lists
## Control Plane Data
- Origin ASN: 10620
- BGP Prefix: 181.56.134.0/24
- Route Stability: Not stable (route changes detected)
- Operator Score: 0.1304 (Minimal)
- RPKI State: Not available
- DNSSEC Valid: Yes
## Observation History (14 signals)
All observations recorded on 2026-07-23:
- 14:40:19: Port scanning activity detected (multiple ports probed)
- 14:38:55: Geolocation confirmed (Cali, Colombia)
- 14:38:48: Organization registration confirmed (Telmex Colombia S.A., abuse contact: ciro.mantilla@claro.com.co)
- 14:38:47: Network registration data (181.56.0.0/13)
- 14:38:18: Operator risk score (Minimal)
No escalation in threat signals observed. Zero threat persistence days recorded.
## Relationship Graph
- Network Association: 181.56.0.0 - 181.63.255.255
- DNS Associations: static-ip-1815613421.cable.net.co
## Neighborhood Analysis (181.56.134.0/24)
- Subnet: 181.56.134.21/24
- Total Siblings: 0 active
- Abuse Density: 0
- Risk Distribution: High: 0, Medium: 0, Low: 0
- Threat Siblings: None
## Recommended Actions
No immediate firewall rules recommended. The IP presents no known threat indicators. If traffic from this IP is observed:
- Allow standard traffic patterns
- Monitor for unusual outbound connections
- No blocking required
## Conclusion
This IP address belongs to a legitimate Colombian ISP infrastructure. No malicious activity detected. The address shows typical residential/broadband characteristics with no threat persistence or abuse indicators.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Telmex Colombia S.A. |
| ASN | AS10620 |
| Network Name | 181.56.0.0 - 181.63.255.255 |
| CIDR Block | 181.56.0.0/13 |
| RIR | LACNIC |
| Country | CO |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | static-ip-1815613421.cable.net.co |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | static-ip-1815613421.cable.net.co |
🔐 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS10620 |
| Network Prefix | 181.56.134.0/24 |
| 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 | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 23:31:34 UTC |
| Last Seen | 2026-08-28 20:00:19 UTC |
| Profile Built | 2026-08-29 02:27:24 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 181.56.134.21
Who owns the IP address 181.56.134.21?
181.56.134.21 is registered to Telmex Colombia S.A.. The address falls within the 181.56.0.0/13 network block. Registration is held at LACNIC.
Where is 181.56.134.21 located?
Geolocation data places 181.56.134.21 in Cali, Valle del Cauca Department, Colombia. The local time zone is America/Bogota. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 181.56.134.21 malicious or safe?
181.56.134.21 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 181.56.134.21?
The reverse DNS (PTR) record for 181.56.134.21 is static-ip-1815613421.cable.net.co. This hostname is not forward-confirmed, so it should be treated as a weak signal.