172.56.219.48
172.56.219.48 is an IPv4 address operated by T-Mobile USA, Inc. (AS21928), geolocated to Philadelphia, United States. It belongs to a mobile network. As of October 31, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.
The IP address 172.56.219.48 was identified as a T-Mobile USA, Inc. (ASN 21928) mobile carrier endpoint located in Philadelphia, United States. The address was classified as a mobile infrastructure resource with no open services or active ports detected. The system assigned a Low Risk reputation score of 25 with zero blacklist listings. While the threat actor classification was tagged as "Suspicious Host," no specific threat indicators, known campaigns, or malicious behavioral strikes were recorded against the address. The surrounding subnet (172.56.219.48/24) was classified as clean with zero threat siblings observed. The recommended action was to monitor the address due to the low severity classification and clean neighborhood context.
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 | TMO9 |
| CIDR Block | 172.32.0.0/11 |
| 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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS21928 |
| Network Prefix | 172.56.218.0/23 |
| Route mapping | Found |
| RPKI Status | Valid |
🎯 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-20 01:01:10 UTC |
| Last Seen | 2026-11-02 03:55:30 UTC |
| Profile Built | 2026-10-31 15:24:26 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.56.219.48
Who owns the IP address 172.56.219.48?
172.56.219.48 is registered to T-Mobile USA, Inc.. The address falls within the 172.32.0.0/11 network block. Registration is held at ARIN.
Where is 172.56.219.48 located?
Geolocation data places 172.56.219.48 in Philadelphia, PA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 172.56.219.48 malicious or safe?
172.56.219.48 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.
Is 172.56.219.48 a VPN, proxy, or data center address?
172.56.219.48 is classified as a mobile network based on network ownership and behavioural analysis.