131.72.156.144 is an IPv4 address operated by AS28318 - CYBERTAP, AR (AS28318), with approximate network location Tapalque, Argentina. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
Witness AI IP Assessment (AI-generated)
AI-generated assessment. Verify critical details independently.
On 131.72.156.144, a server responded successfully to validation probes. The host is associated with AS28318 (CYBERTAP), a routing operator based in Argentina. Geolocation data places the network in Tapalque, Buenos Aires, though this represents an approximate network location rather than a specific server site. Ownership records identify the CIDR block 131.72.156.0/22 under the netname 131.72.156.0 - 131.72.159.255.
Technical assessments indicated that the host appears to be firewalled or inactive, as no services were detected and the network role was classified as "Firewalled / No Services." Anycast status remained unverified. DNS hygiene checks for SPF, DMARC, CAA, and FCR were not performed, and DNSSEC status was unknown. The TLS probe suite returned no results, with no TLS endpoints or endpoints observed. The assigned risk score was zero. Given the lack of active service indicators and the absence of completed security record checks, further monitoring or corroboration is recommended to confirm the operational state of the address.
🏢 Ownership & Registration
| Registered holder | CYBERTAP |
| ASN | AS28318 |
| Network Name | 131.72.156.0 - 131.72.159.255 |
| CIDR Block | 131.72.156.0/22 |
| RIR | ARIN |
| Network registration country | AR |
| Routing operator | AS28318 - CYBERTAP, AR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 144.156.72.131.in-addr.arpa |
| fcrDns | Not checked |
☁️ 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 | AS28318 |
| Network Prefix | 131.72.156.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 1 |
| geolocation | 24% | 2 | 2 |
| Overall | 25% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-08 06:20:00 UTC |
| Last Seen | 2026-11-14 12:28:18 UTC |
| Profile Built | 2026-11-13 09:52:30 UTC |
| Data Freshness | Recent |
| Signal Types | 13 |
| Total Observations | 13 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 131.72.156.144
Who owns the IP address 131.72.156.144?
131.72.156.144 is registered to CYBERTAP. The address falls within the 131.72.156.0/22 network block. Registration is held at ARIN.
Where is 131.72.156.144 located?
Geolocation data places 131.72.156.144 in Tapalque, Buenos Aires, Argentina. The local time zone is America/Argentina/Buenos_Aires. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 131.72.156.144 malicious or safe?
131.72.156.144 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.