199.232.37.171
IP address 199.232.37.171 was attributed to Fastly, Inc. (ASN 54113) within the SKYCA-3 CIDR block (199.232.0.0/16). The infrastructure was classified as a Content Delivery Network (CDN) serving Web Server functions, hosting open ports 80 and 443. Server banner analysis identified Varnish, while TLS certificates pointed to the shared domain f.shared-427-default.ssl.fastly.net.
Threat assessment indicated Low Risk with a risk score of 20. No blacklist entries, known campaigns, or active attacker indicators were present. Behavioral monitoring recorded no incidents, WAF violations, or enumeration strikes. The immediate neighborhood subnet (199.232.37.0/24) was classified as clean with zero abuse density.
Geolocation validation revealed a contradiction between the reported New York location and observed Round-Trip Time physics, flagging the data as
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Fastly, Inc. |
| ASN | AS54113 |
| Network Name | SKYCA-3 |
| CIDR Block | 199.232.0.0/16 |
| 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 | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Varnish |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | f.shared-427-default.ssl.fastly.net |
| Valid From | 2026-09-04T05:16:07+00:00 |
| Valid Until | 2027-03-22T04:16:07+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
| Serial Number | 01CFD5A14D5B0AF04C36FA91BC2E10F9 |
| Thumbprint | 92A3E67164A4BE8881E568B5A2A0261ABB899A0D |
🎯 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 | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-15 00:04:52 UTC |
| Last Seen | 2026-09-15 00:04:52 UTC |
| Profile Built | 2026-09-15 00:21:04 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.