187.44.23.100
187.44.23.100 is an IPv4 address operated by AS28202 - MASTER S/A, BR (AS28202), with approximate network location Miami, United States. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | MASTER S/A |
| ASN | AS28202 |
| Network Name | 127757 |
| CIDR Block | 187.44.0.0/18 |
| RIR | LACNIC |
| Network registration country | BR |
| Routing operator | AS28202 - MASTER S/A, BR |
| Abuse Contact | — |
🌐 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 found at queried name br |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 100.23.44.187.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 | AS28202 |
| Network Prefix | 187.44.23.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 12% | 2 | 4 |
| routing | 20% | 1 | 3 |
| services | 8% | 2 | 2 |
| ownership | 8% | 2 | 2 |
| reputation | 11% | 1 | 3 |
| geolocation | 3% | 1 | 1 |
| Overall | 10% | 9 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-07-10 01:48:49 UTC |
| Last Seen | 2026-11-10 18:11:29 UTC |
| Profile Built | 2026-11-14 05:21:51 UTC |
| Data Freshness | Recent |
| Signal Types | 18 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 187.44.23.100
Who owns the IP address 187.44.23.100?
187.44.23.100 is registered to MASTER S/A. The address falls within the 187.44.0.0/18 network block. Registration is held at LACNIC.
Where is 187.44.23.100 located?
Geolocation data places 187.44.23.100 in Miami, US-FL, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 187.44.23.100 malicious or safe?
187.44.23.100 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.