103.181.40.100
# INTELLIGENCE BRIEFING: 103.181.40.100
Classification: Low Risk / Residential ISP Dynamic Allocation
Date: 2026-07-24
Analyst: IPDebrief Intelligence Team
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## EXECUTIVE SUMMARY
IP 103.181.40.100 is a residential ISP-dynamic allocation from Kerala Vision Broadband Private Limited (ASN:138754). The address carries a low risk score of 25 and shows no evidence of active malicious activity. The IP is associated with a residential broadband provider in Kerala, India, with firewalled status and no open services detected.
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## NETWORK OWNERSHIP & GEOLOCATION
Organization: IRT-NETRADC-IN (Kerala Vision Broadband Private Limited)
ASN: 138754 (NETRADC)
CIDR Block: 103.181.40.0/23
Geolocation: Sivapuram, Kerala, India
Timezone: Asia/Kolkata
Registration: APNIC region
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## NETWORK CHARACTERISTICS
Service Classification: Firewalled / No Services
Open Ports: None detected
DNS Resolution: keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com
PTR Record: keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com
Email Authentication: SPF: Yes, DMARC: Yes
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## THREAT ASSESSMENT
Risk Score: 25/100 (Low Risk)
Reputation: Low Risk
Known Threats: None
Tor Exit Node: No
Known Attacker: No
Spam Source: No
Blacklist Count: 0
DNSBL Listings: 1 of 8 lists (max severity: High)
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## SUBNET ANALYSIS (103.181.40.0/24)
Abuse Density: 0.5 (Moderate)
Classification: Mostly Clean
Total Siblings: 2
Threat Siblings: 1 (103.181.40.255 - Risk Score: 25)
Active Siblings: 0
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## OBSERVATION HISTORY
Total Observations: 17 signals
Recent Activity (July 24-25, 2026):
- ASN resolution from AlienVault OTX (confidence: 0.75)
- DNS association with keralavisionisp.com domain
- Subnet abuse density monitoring
- Blacklist monitoring (high severity listing detected)
- Geolocation signals from RDAP registration
The IP has remained consistently associated with the residential ISP infrastructure without escalation of threat signals.
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## RELATIONSHIP ANALYSIS
Network Associations: NETRADC (multiple entries)
DNS Associations: keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com (multiple entries)
Campaign Correlations: None detected
Cert Matches: 0
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## RECOMMENDATIONS
Action: Monitor / No Immediate Blocking Required
Rationale: The IP represents a residential broadband allocation with no active threat indicators. The single DNSBL listing warrants awareness but does not justify blocking without additional context. The subnet shows low-to-moderate abuse density.
Suggested Firewall Rules: None required at this time. Standard residential ISP traffic should be permitted. Monitor for behavioral changes if used for suspicious outbound connections.
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## CONCLUSION
IP 103.181.40.100 is a legitimate residential ISP dynamic allocation with a low risk profile. No evidence of malicious activity, command and control, or data exfiltration capabilities detected. The single threat sibling at 103.181.40.255 should be monitored separately. Standard ISP traffic handling is appropriate.
Confidence Level: High (based on 17 observation signals and comprehensive subnet analysis)
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-NETRADC-IN |
| ASN | AS138754 |
| Network Name | NETRADC |
| CIDR Block | 103.181.40.0/23 |
| RIR | APNIC |
| Country | IN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 50% | 2 | 3 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 13:01:59 UTC |
| Last Seen | 2026-08-27 07:01:44 UTC |
| Profile Built | 2026-08-29 05:24:50 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 103.181.40.100
Who owns the IP address 103.181.40.100?
103.181.40.100 is registered to IRT-NETRADC-IN. The address falls within the 103.181.40.0/23 network block. Registration is held at APNIC.
Where is 103.181.40.100 located?
Geolocation data places 103.181.40.100 in Sivapuram, Kerala, India. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 103.181.40.100 malicious or safe?
103.181.40.100 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.
What is the hostname for 103.181.40.100?
The reverse DNS (PTR) record for 103.181.40.100 is keralavisionisp-dynamic-100.40.181.103.keralavisionisp.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.