208.54.49.131
Analysis of IP 208.54.49.131 confirmed ownership under AS21928 (T-Mobile USA, Inc.) within the 208.54.0.0/17 block. The address operated as a mobile carrier endpoint with no open ports or active services. Risk assessment yielded a Low Risk score of 25. While the threat section indicated zero blacklists, control plane data recorded one DNSBL listing among eight total lists. Geolocation validation identified a contradiction where claimed US coordinates conflicted with RTT physics measurements, noting a 7625km distance against a minimum possible RTT of 152.5ms despite observed RTT measurements of 31ms. The neighboring subnet (208.54.49.0/24) maintained a clean classification with zero threat siblings. Behavioral monitoring detected no honeypot strikes or enumeration attempts. Due to signal contradictions, the profile recommended low-severity monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | T-Mobile USA, Inc. |
| ASN | AS21928 |
| Network Name | TMO2 |
| CIDR Block | 208.54.0.0/17 |
| RIR | ARIN |
| Country | United States |
| 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 Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 7 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 38% | 2 | 5 |
| Overall | 26% | 10 | 21 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-01 23:00:15 UTC |
| Last Seen | 2026-09-25 11:51:45 UTC |
| Profile Built | 2026-09-25 11:58:47 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 35 |
Full dossier details are available via our API.