129.134.41.40 is an IPv4 address operated by Facebook, Inc. (AS32934), geolocated to New York, United States. Its reverse DNS name is ae1004.bb01.dca2.tfbnw.net. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP 129.134.41.40/32 is attributed to Facebook, Inc. (ASN 32934) and resolves to the domain tfbnw.net with excellent DNS hygiene including SPF and DMARC. Although tagged as a "Suspicious Host" with a risk score of 25, the asset shows no open ports, certificates, or active campaigns. The network role is identified as firewalled with no services, situated within a United States-registered subnet in a mixed-risk neighborhood. Intelligence recommends monitoring the address due to its neighborhood classification rather than immediate threat indicators.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Facebook, Inc. |
| ASN | AS32934 |
| Network Name | THEFA-3 |
| CIDR Block | 129.134.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ae1004.bb01.dca2.tfbnw.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ae1004.bb01.dca2.tfbnw.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS32934 |
| Network Prefix | 129.134.0.0/17 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 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 | 0% | 0 | 0 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-20 10:45:42 UTC |
| Last Seen | 2026-11-03 13:02:10 UTC |
| Profile Built | 2026-11-03 13:28:18 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 129.134.41.40
Who owns the IP address 129.134.41.40?
129.134.41.40 is registered to Facebook, Inc.. The address falls within the 129.134.0.0/16 network block. Registration is held at ARIN.
Where is 129.134.41.40 located?
Geolocation data places 129.134.41.40 in New York, US-NY, 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 129.134.41.40 malicious or safe?
129.134.41.40 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 129.134.41.40?
The reverse DNS (PTR) record for 129.134.41.40 is ae1004.bb01.dca2.tfbnw.net. This hostname is forward-confirmed, meaning it resolves back to the same address.