181.52.101.121
🏢 Ownership & Registration
| Organization | Telmex Colombia S.A. |
| ASN | AS10620 |
| Network Name | 181.48.0.0 - 181.55.255.255 |
| CIDR Block | 181.48.0.0/13 |
| RIR | LACNIC |
| Country | CO |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | static-ip-cr181520101121.cable.net.co |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | static-ip-cr181520101121.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 | 181.52.100.0/22 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 17% | 2 | 3 |
| Overall | 17% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 02:18:10 UTC |
| Last Seen | 2026-09-03 23:02:12 UTC |
| Profile Built | 2026-09-03 23:05:26 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 181.52.101.121
Who owns the IP address 181.52.101.121?
181.52.101.121 is registered to Telmex Colombia S.A.. The address falls within the 181.48.0.0/13 network block. Registration is held at LACNIC.
Where is 181.52.101.121 located?
Geolocation data places 181.52.101.121 in Valledupar, Cesar 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 181.52.101.121 malicious or safe?
181.52.101.121 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 181.52.101.121?
The reverse DNS (PTR) record for 181.52.101.121 is static-ip-cr181520101121.cable.net.co. This hostname is not forward-confirmed, so it should be treated as a weak signal.