204.15.21.96
IP address 204.15.21.96/32 was assigned to Facebook, Inc. under ASN 32934. The profile classified the reputation as Low Risk with a Risk Score of 20. No active threat indicators, blacklist listings, or known campaigns were observed. DNS analysis confirmed forward resolution to usw01.lga3.tfbnw.net with valid SPF and DMARC authentication. Network scanning indicated the address was firewalled with no open services.
Validation noted a geolocation contradiction, where RTT measurements (19ms) contradicted the claimed distance (7,626km, min 152.5ms). The neighborhood classification was mostly clean, though one threat sibling existed within the /24 subnet. Based on signal contradictions and low inherent risk, the address was recommended for monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Facebook, Inc. |
| ASN | AS32934 |
| Network Name | TFBNET1 |
| CIDR Block | 204.15.20.0/22 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | usw01.lga3.tfbnw.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | usw01.lga3.tfbnw.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 42% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 34% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 28% | 9 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 09:42:46 UTC |
| Last Seen | 2026-09-24 04:37:52 UTC |
| Profile Built | 2026-09-24 04:49:48 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.