103.186.1.158 is an IPv4 address operated by Iman Sukma Firmansyah (AS136052), geolocated to Sukabumi, Indonesia. Its reverse DNS name is ip103-186-1-158.cloudhost.web.id. As of October 1, 2026, IPDebrief rates it Moderate Risk (65/100); no anonymizing service was detected.
# IPDEBRIEF INTELLIGENCE BRIEFING
Subject: 103.186.1.158/32
Classification: Moderate Risk
Report Date: 2026-07-22
---
## EXECUTIVE SUMMARY
IP address 103.186.1.158 is a moderate-risk (risk score: 40) residential infrastructure endpoint located in Sukabumi, Indonesia. The IP is associated with ASN 136052 (Iman Sukma Firmansyah) under the IDNIC-ANSA-ID network. No active threat indicators, known campaigns, or blacklist entries were observed. The endpoint shows minimal operator-level risk (operator score: 0.1304) and no persistent malicious behavior.
---
## OWNERSHIP & GEOLOCATION
| Attribute | Value |
|---|---|
| **ASN** | 136052 |
| **Organization** | Iman Sukma Firmansyah |
| **Network** | IDNIC-ANSA-ID |
| **CIDR Block** | 103.186.0.0/23 |
| **Country** | Indonesia (ID) |
| **Region/City** | Citamiang, Sukabumi |
| **RIR** | APNIC |
| **Abuse Contact** | abuse@ansaproject.my.id |
Geolocation Validation: Geographic data sourced from multiple providers (geo consensus confirmed). Coordinates inferred at -0.79, 113.92 with 1500km accuracy radius.
---
## NETWORK CHARACTERISTICS
Service Status: Firewalled / No Services Detected
Open Ports: None
DNS Records:
- PTR: ip103-186-1-158.cloudhost.web.id
- Forward Resolution: ip103-186-1-158.cloudhost.web.id
- Forward Confirmed: No
- SPF/DMARC: Not configured
BGP Control Plane:
- Route Stable: No
- Route Changes (30d): 0
- MOAS: No
- DNSSEC Valid: Yes
---
## THREAT ASSESSMENT
| Indicator | Status |
|---|---|
| **Risk Score** | 40 (Moderate) |
| **Known Attacker** | No |
| **Spam Source** | No |
| **Tor Exit Node** | No |
| **Blacklist Count** | 0 |
| **DNSBL Listed** | 2 of 8 lists |
| **Honeypot Hits** | 0 |
| **Campaign Matches** | 0 |
Threat Evidence: No active threat indicators identified. No association with known malicious campaigns or threat feeds.
---
## OBSERVATION HISTORY
Total Observations: 14 signals
Recent Activity: 2026-07-22 (most recent)
Ownership Stability: 0 ownership changes (stable)
Threat Persistence: 0 days
Persistently Malicious: No
Observations show consistent geolocation and ownership data with no significant temporal shifts in threat profile.
---
## SUBNET ANALYSIS (103.186.1.0/24)
Total Neighbors: 8
Abuse Density: 0%
Risk Distribution:
- High Risk: 0
- Medium Risk: 8
- Low Risk: 0
Notable Neighbor IPs:
- 103.186.1.103 (Risk: 65)
- 103.186.1.197 (Risk: 65)
- All remaining siblings: Risk 40
The /24 subnet demonstrates uniform medium-risk classification with no high-risk outliers.
---
## RELATIONSHIP GRAPH
Connected Entities:
1. Network: IDNIC-ANSA-ID (Same Network)
2. DNS Hostnames:
- ip103-186-1-158.cloudhost.web.id (DNS Association)
No additional organizational or certificate relationships detected.
---
## RECOMMENDED ACTIONS
Risk Score: 40 — Blocking recommended based on current risk profile.
Firewall Rules (Approved):
```bash
# iptables
iptables -A INPUT -s 103.186.1.158 -j DROP
# nftables
nft add rule inet filter input ip saddr 103.186.1.158 drop
# nginx
deny 103.186.1.158;
# pfSense
103.186.1.158/32
# Cloudflare WAF
{
"description": "Block 103.186.1.158 — IPDebrief risk score 40",
"action": "block",
"filter": {
"expression": "ip.src eq 103.186.1.158"
}
}
# AWS WAF
{
"Addresses": ["103.186.1.158/32"],
"Description": "IPDebrief risk 40"
}
```
---
## ANALYST NOTES
This IP represents residential infrastructure with moderate risk classification. While no active malicious indicators are present, the moderate risk score (40) combined with the subnet's uniform medium-risk profile warrants blocking per organizational security policy. Monitor for changes in DNSBL listings or threat indicator emergence.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Iman Sukma Firmansyah |
| ASN | AS136052 |
| Network Name | IDNIC-ANSA-ID |
| CIDR Block | 103.186.0.0/23 |
| RIR | APNIC |
| Country | ID |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ip103-186-1-158.cloudhost.web.id |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | ip103-186-1-158.cloudhost.web.id |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS136052 |
| Network Prefix | 103.186.1.0/24 |
| Route mapping | Found |
| RPKI Status | Valid |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (65%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:20:21 UTC |
| Last Seen | 2026-10-06 11:04:57 UTC |
| Profile Built | 2026-10-01 01:28:23 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 103.186.1.158
Who owns the IP address 103.186.1.158?
103.186.1.158 is registered to Iman Sukma Firmansyah. The address falls within the 103.186.0.0/23 network block. Registration is held at APNIC.
Where is 103.186.1.158 located?
Geolocation data places 103.186.1.158 in Sukabumi, Citamiang, Indonesia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 103.186.1.158 malicious or safe?
103.186.1.158 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 103.186.1.158?
The reverse DNS (PTR) record for 103.186.1.158 is ip103-186-1-158.cloudhost.web.id. This hostname is not forward-confirmed, so it should be treated as a weak signal.