121.123.141.253
## IP Intelligence Briefing: 121.123.141.253
Classification: LOW RISK – ISP Infrastructure
Generated: 2026-07-29
Analyst: IPDebrief Intelligence
---
Executive Summary
IP 121.123.141.253 is a low-risk address belonging to Maxis Network and Security Operations (ASN 9534). The IP shows no active threat indicators, no blacklist entries, and no known malicious campaigns. Current risk assessment: 25/100.
Ownership and Geolocation
- Organization: Maxis Network and Security Operations
- Network Name: MAXISNET-MetroE
- CIDR Block: 121.123.128.0/20
- ASN: 9534 (APNIC RIR)
- Location: Cyberjaya, Selangor, Malaysia (MY)
- Coordinates: 4.21°N, 101.98°E
Threat Intelligence Indicators
- Risk Score: 25 (Low Risk)
- Abuse Confidence: Not applicable
- Blacklist Status: 0 entries
- Known Campaigns: None
- Tor/Proxy Status: Not a Tor exit node
- Spam Source: No evidence
- Known Attacker: No association
Network Role and Services
- Infrastructure Type: ISP/Network Infrastructure
- Open Ports: None detected
- Services: No active services (Firewalled/No Services)
- DNS Resolution: No PTR hostnames
- Hosted Domains: 0
- Email Auth: No SPF/DMARC records
Behavioral Analysis
- Persistence: No persistent malicious behavior detected
- Threat Observation Count: 0
- Honeypot Hits: 0
- WAF Violations: 0
- Scans: No scan activity observed
Network Neighborhood Assessment
Subnet: 121.123.141.253/24
- Total Neighbors: 2
- Abuse Density: 0
- Risk Distribution: 0 High, 1 Medium, 1 Low
Neighbor IPs:
| IP Address | Risk Score | Authority Score |
|---|---|---|
| 121.123.141.251 | 50 | 50 |
| 121.123.141.252 | 25 | 50 |
*Note: Neighbor 121.123.141.251 exhibits medium-risk characteristics (score 50). Monitor for correlation.*
Historical Observations
- Total Signals: 11
- Most Recent: 2026-07-29 01:55:08 UTC
- Observation Types: Geolocation, ASN/routing, operator classification
- Trend: Stable with no significant risk escalation
Relationships
- Network Association: MAXISNET-MetroE
- Related Entities: 1 (Same Network)
Recommended Actions
No immediate blocking recommended. The IP represents legitimate ISP infrastructure.
Monitoring Guidance:
1. Allow traffic unless other threat signals indicate otherwise
2. Monitor neighbor 121.123.141.251 for potential lateral activity
3. No firewall rules required for this IP at current risk level
---
End of Briefing
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Maxis Network and Security Operations |
| ASN | AS9534 |
| Network Name | MAXISNET-MetroE |
| CIDR Block | 121.123.128.0/20 |
| RIR | APNIC |
| Country | MY |
| Abuse Contact | — |
🌐 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 | AS9534 |
| Network Prefix | 121.123.128.0/17 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 17% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 8% | 1 | 2 |
| geolocation | 8% | 1 | 1 |
| Overall | 11% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-20 12:27:45 UTC |
| Last Seen | 2026-08-31 15:47:20 UTC |
| Profile Built | 2026-08-31 15:48:00 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 121.123.141.253
Who owns the IP address 121.123.141.253?
121.123.141.253 is registered to Maxis Network and Security Operations. The address falls within the 121.123.128.0/20 network block. Registration is held at APNIC.
Where is 121.123.141.253 located?
Geolocation data places 121.123.141.253 in Cyberjaya, Selangor, Malaysia. The local time zone is Asia/Kuala_Lumpur. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 121.123.141.253 malicious or safe?
121.123.141.253 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.