108.203.51.137
IP 108.203.51.137 was identified as a low-risk endpoint associated with AT&T Enterprises, LLC (ASN 7018). The address resided within the 108.192.0.0/10 CIDR block, geolocated to Meridianville, Alabama. Network classification indicated the endpoint operated as a residential mobile device on AT&T LTE/5G infrastructure.
Threat analysis returned a risk score of 0 with zero blacklist entries and no malicious indicators. The surrounding /24 subnet was classified as clean, containing no active threat siblings. DNS records established forward confirmation via sbcglobal.net, and no open ports or web services were observed. Behavioral metrics showed zero honeypot hits or enumeration strikes.
The endpoint was classified as clean residential intent. A recommendation to allow traffic was issued based on the forward-confirmed reverse DNS and lack of threat indicators.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | AT&T Enterprises, LLC |
| ASN | AS7018 |
| Network Name | SBCIS-SBIS |
| CIDR Block | 108.192.0.0/10 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 108-203-51-137.lightspeed.sntcca.sbcglobal.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 108-203-51-137.lightspeed.sntcca.sbcglobal.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 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 | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 25% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-06 18:06:22 UTC |
| Last Seen | 2026-09-06 18:06:22 UTC |
| Profile Built | 2026-09-06 18:21:13 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.