IP INTELLIGENCE BRIEFING: 103.115.156.121
Classification: Moderate Risk (Score: 40/100)
Date: 2026-07-25
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NETWORK OWNERSHIP & GEOLOCATION
- Organization: IRT-MHONLINE-BD (AS137842)
- Network: MHONLINE-BD (103.115.156.0/24)
- Country: Bangladesh (BD)
- RIR: APNIC
- Registration: Active under APNIC registry
RISK PROFILE SUMMARY
The IP exhibits moderate risk characteristics with a score of 40. No active threat indicators, known campaigns, or direct malicious activity detected. The IP is classified as firewalled with no open services or ports identified. DNSSEC validation is active (valid).
THREAT INDICATORS
- Blacklist Status: Listed on 2 out of 8 DNSBLs with maximum severity rated "high"
- Abuse Confidence: Not explicitly quantified in threat profile
- Tor/VPN/Proxy: Negative (not identified as exit node, proxy, or VPN endpoint)
- Known Attacker: No matches in threat feeds
- Spam Source: No classification
NETWORK NEIGHBORHOOD ANALYSIS
- Subnet: 103.115.156.0/24
- Abuse Density: 0 (clean subnet classification)
- Sibling IPs: 2 active neighbors
- Neighbor Risk: 103.115.156.228 (Risk Score: 25, Authority Score: 50)
- Threat Siblings: 0
OBSERVATION HISTORY (13 Signals)
- Most recent activity: 2026-07-25 15:04 UTC
- Signal types observed: Network classification, blacklist listings, DNSSEC validation, ownership stability
- No persistent malicious behavior detected over observation window
- Ownership stability: 0 changes recorded
RELATIONSHIP GRAPH
- Primary association: MHONLINE-BD network (4 relationship links)
- No external infrastructure links identified (no hostnames, certificates, or related organizations beyond network block)
RECOMMENDED ACTIONS
1. MONITOR: Track blacklist status due to 2 DNSBL listings with high severity
2. BLOCK (Optional): Consider blocking if traffic patterns indicate abuse; no confirmed malicious activity
3. INVESTIGATE: Review any inbound traffic for policy compliance given blacklist associations
4. NETWORK CONTEXT: Low-risk subnet environment with minimal neighbor threat indicators
INTELLIGENCE NARRATIVE
IP 103.115.156.121 belongs to MHONLINE-BD's infrastructure in Bangladesh and presents a moderate risk profile. While not flagged as a known attacker or spam source, the IP appears on 2 DNSBLs with high severity ratings, warranting monitoring. The subnet (103.115.156.0/24) maintains a clean classification with zero threat siblings. The IP shows no active services, no Tor/VPN/proxy characteristics, and stable ownership history. SOC teams should evaluate traffic patterns against organizational policy; the blacklist associations suggest potential misuse history despite current lack of observable malicious activity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-MHONLINE-BD |
| ASN | AS137842 |
| Network Name | MHONLINE-BD |
| CIDR Block | 103.115.156.0/24 |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS137842 |
| Network Prefix | 103.115.156.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 12% | 3 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 19:39:09 UTC |
| Last Seen | 2026-08-27 04:48:24 UTC |
| Profile Built | 2026-08-29 05:54:51 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 103.115.156.121
Who owns the IP address 103.115.156.121?
103.115.156.121 is registered to IRT-MHONLINE-BD. The address falls within the 103.115.156.0/24 network block. Registration is held at APNIC.
Where is 103.115.156.121 located?
Geolocation data places 103.115.156.121 in Bangladesh. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 103.115.156.121 malicious or safe?
103.115.156.121 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.