50.170.221.58
Intelligence Briefing: 50.170.221.58/32
The asset was classified as a residential endpoint associated with Comcast Cable Communications, LLC (AS7922). Ownership records indicated assignment within the BOSTON-CCS-1 network block. Risk assessment yielded a score of 25, reflecting a low-risk reputation. Geolocation data placed the host in Somerville, Massachusetts, US; however, physical measurements contradicted this claim, recording a distance of 5662.6km against a minimum possible RTT of 113.3ms. Probing revealed no open ports or active services. The control plane indicated one DNSBL listing, though the threat profile showed zero active indicators. Neighborhood analysis classified the subnet as mostly clean with one threat sibling. An overall confidence score of 0.2667 was recorded due to data contradictions. Analysts recommended monitoring the endpoint for activity changes.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Comcast Cable Communications, LLC |
| ASN | AS7922 |
| Network Name | BOSTON-CCS-1 |
| CIDR Block | 50.170.0.0/16 |
| 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 | 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 | 40% | 2 | 7 |
| routing | 30% | 3 | 4 |
| services | 19% | 2 | 2 |
| ownership | 35% | 3 | 5 |
| reputation | 27% | 1 | 5 |
| geolocation | 38% | 2 | 5 |
| Overall | 31% | 13 | 28 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-06 09:39:30 UTC |
| Last Seen | 2026-09-27 15:50:25 UTC |
| Profile Built | 2026-09-27 15:55:35 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 41 |
Full dossier details are available via our API.