23.211.136.138
IP address 23.211.136.138 was identified as infrastructure belonging to Akamai Technologies, Inc. (AS20940). The endpoint operated as a Content Delivery Network (CDN) node and Web Server within the United States. A risk score of 25 classified the address as Low Risk, yet the profile was tagged as a Suspicious Host due to signal contradictions.
Geolocation data placed the node in Boston, MA, but RTT measurements contradicted this classification, as the observed round-trip time was physically impossible for the reported distance. Control plane data indicated one DNSBL listing out of eight queried lists. The immediate neighborhood (23.211.136.0/24) contained 11 threat siblings among 79 active siblings. No active attack campaigns or known attacker attributes were associated with the address during the observation window. Analysis recommended monitoring the address at low severity pending further signal validation.
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 | a23-211-136-138.deploy.static.akamaitechnologies.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | a23-211-136-138.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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-04 07:08:31 UTC |
| Last Seen | 2026-09-19 15:58:23 UTC |
| Profile Built | 2026-09-19 16:09:49 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 47 |
Full dossier details are available via our API.