23.221.236.139
On 13 September 2026, IP 23.221.236.139 was identified as a Content Delivery Network endpoint operated by Akamai Technologies, Inc. (ASN 20940). The address resolved to a23-221-236-139.deploy.static.akamaitechnologies.com and utilized HTTP and HTTPS services on ports 80 and 443.
Threat intelligence assessments classified the reputation as Low Risk with a score of 25. No known attacker indicators, campaigns, or spam sources were associated with the address. Behavioral analysis recorded zero honeypot hits, enumeration strikes, or WAF violations. However, control plane data indicated one DNS blacklist listing, and geolocation validation flagged a contradiction between the claimed Boston, Massachusetts origin and Round-Trip Time physics measurements. Overall profile confidence was rated Very Low.
Operational recommendation was to Monitor the address due to signal contradictions, with a severity level rated low.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Akamai Technologies, Inc. |
| ASN | AS20940 |
| Network Name | AKAMAI |
| CIDR Block | 23.192.0.0/11 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | a23-221-236-139.deploy.static.akamaitechnologies.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | a23-221-236-139.deploy.static.akamaitechnologies.com |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/12 domains |
| DMARC | 0/12 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 12 domains |
☁️ 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 | AkamaiGHost |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | a248.e.akamai.net*.akamaized.net*.akamaized-staging.net*.akamaihd.net*.akamaihd-staging.net |
| Valid From | 2025-12-22T00:00:00+00:00 |
| Valid Until | 2026-12-22T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha384ECDSA |
| Validity Period | 365 days |
| Serial Number | 0373AB420F54941B555742D9AC890626 |
| Thumbprint | 80B29FCE36F71B99CDBB7138B2107D022D478AF9 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 38% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 4 |
| reputation | 32% | 1 | 5 |
| geolocation | 33% | 2 | 4 |
| Overall | 28% | 10 | 23 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-29 04:16:06 UTC |
| Last Seen | 2026-09-20 23:26:48 UTC |
| Profile Built | 2026-09-22 16:37:59 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 49 |
Full dossier details are available via our API.