103.138.31.153
IP Intelligence Briefing: 103.138.31.153
*Generated via IPDebrief Analysis*
---
**1. Core Profile**
- Risk Score: 65 (Moderate Risk)
- Ownership:
- ASN: 138983
- Organization: Optical Communication Administrator (ROUNDNETWORK-BD)
- Country: Bangladesh (BD)
- Geolocation:
- City: Chandora Chaurasta, Gazipur, Bangladesh
- Coordinates: 23.7°N, 90.37°E
- Threat Indicators:
- No direct malicious activity (no indicators, blacklists, or campaigns).
- 2 high-severity DNS listings observed in the last 30 days.
- Network Role:
- Unknown infrastructure type; no services, TLS, or HTTP detected.
- BGP prefix: 103.138.31.0/24 (stable route, no recent changes).
---
**2. Observation History**
- Key Trends:
- 8 unique threat intelligence sources flagged the IP, with 2 high-severity listings.
- DNSSEC validation is active, but route stability is minimal (operator score: 0.13).
- No persistent malicious activity or ownership changes detected.
- Notable:
- Low confidence in threat signals (overall confidence: 14.17%).
---
**3. Network Relationships**
- Linked Entities:
- Same network: ROUNDNETWORK-BD (ASN 138983).
- No direct connections to known malicious networks, hosts, or certificates.
---
**4. Neighborhood Analysis**
- Subnet: 103.138.31.0/24
- Neighbor Risk:
- 3 sibling IPs with low risk (scores: 40–40).
- Subnet abuse density: 0% (no malicious neighbors).
---
**5. Actionable Insights**
- Monitor:
- Track DNS listings and route stability for potential network instability.
- Investigate high-severity DNS threats despite no direct malicious indicators.
- Mitigate:
- No immediate blocking required; focus on network-level monitoring.
- Verify DNSSEC and BGP configurations for resilience.
---
*End of Briefing*
*Generated by IPDebrief | © 2026 Jason Alberino*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Optical Communication Administrator |
| ASN | AS138983 |
| Network Name | ROUNDNETWORK-BD |
| CIDR Block | 103.138.30.0/23 |
| RIR | APNIC |
| Country | BD |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ 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 | |||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 14% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-21 20:58:30 UTC |
| Last Seen | 2026-06-09 13:06:53 UTC |
| Profile Built | 2026-06-09 13:17:25 UTC |
| Data Freshness | Live |
| Signal Types | 13 |
| Total Observations | 13 |
Full dossier details are available via our API.