157.238.228.153
Intelligence Briefing: 157.238.228.153
Ownership was attributed to NTT America, Inc. (ASN 2914) within the 157.238.0.0/16 network block. The endpoint was geolocated to Chicago, IL, though forward resolution pointed to the hostname `ae-2.roblox.chcgil11.us.bb.gin.ntt.net`. No open ports were detected, and the service purpose was classified as firewalled.
The reputation score stood at 25 (Low Risk). Control plane data indicated one DNSBL listing out of eight total lists, and behavioral analysis showed zero honeypot hits, enumeration strikes, or total incidents. However, a contradiction existed between the reported geolocation and RTT physics measurements, with a 39.0ms RTT recorded against a minimum possible of 152.5ms for the reported distance.
The threat actor classification was marked as Suspicious Host. Analysts recommended monitoring the address due to signal contradictions, with a severity rating of low. Observations were recorded between September 8 and September 19, 2026.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | NTT America, Inc. |
| ASN | AS2914 |
| Network Name | NTTA-157-238 |
| CIDR Block | 157.238.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ae-2.roblox.chcgil11.us.bb.gin.ntt.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ae-2.roblox.chcgil11.us.bb.gin.ntt.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| 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 | 40% | 2 | 9 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 31% | 1 | 6 |
| geolocation | 37% | 2 | 6 |
| Overall | 28% | 10 | 27 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-08 11:07:52 UTC |
| Last Seen | 2026-09-27 15:11:33 UTC |
| Profile Built | 2026-09-27 15:15:09 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 43 |
Full dossier details are available via our API.