102.129.51.147
102.129.51.147 is an IPv4 address operated by Jacobus De Beer (AS327991), geolocated to Vanderbijlpark, South Africa. Its reverse DNS name is ms-51-147.megasurf.co.za. As of October 6, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.
# IP Intelligence Briefing: 102.129.51.147
## Executive Summary
IP 102.129.51.147 is a moderate-risk residential/ISP address associated with Jacobus De Beer, South Africa. The IP shows no active threat indicators, is not a known attacker, and has no open services. Risk score: 55/100.
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## Ownership & Infrastructure
- Organization: Jacobus De Beer
- ASN: AS327991 (afrinic RIR)
- Network: 102.129.51.0 - 102.129.51.255 (/24)
- Geolocation: Vanderbijlpark, Gauteng, South Africa (ZA)
- Registration: AFRINIC (African Network Information Center)
- DNS: ms-51-147.megasurf.co.za (forward-confirmed PTR)
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## Threat Assessment
- Risk Score: 55/100 (Moderate Risk)
- Threat Indicators: None detected
- Blacklist Count: 0
- DNSBL Listings: 3 of 8 total lists
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Services: None detected (firewalled)
- Campaign Association: No matches
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## Network Context & Neighborhood
- Subnet Abuse Density: 0
- Total Neighbors in /24: 72
- Risk Distribution in Subnet: 33 medium-risk, 19 low-risk, 0 high-risk
- Related High-Risk Neighbors: 102.129.51.2, 102.129.51.10 (both risk score 55)
- Route Stability: Not stable (route changes observed)
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## Historical Observations
- Total Observations: 15
- Latest Observation: 2026-07-17T21:46:55 UTC
- Ownership Changes: 0
- Threat Persistence Days: 0
- Is Persistently Malicious: No
- Geolocation Consistency: Consistent South African origin across observations
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## Recommended Actions
- Allow: No blocking required; IP is not malicious
- Monitor: Consider monitoring if associated with suspicious traffic patterns
- Firewall: No specific rules required
- Investigation: Monitor subnet 102.129.51.0/24 for elevated activity given 33 medium-risk neighbors
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## SOC Analyst Notes
This IP appears to be a legitimate residential or ISP address with moderate baseline risk. The DNS hostname (ms-51-147.megasurf.co.za) suggests connection to Megasurf, a South African ISP. No active threats detected, but the subnet shows moderate abuse density. Monitor for any anomalous behavior but no immediate blocking is warranted.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Jacobus De Beer |
| ASN | AS327991 |
| Network Name | 102.129.51.0 - 102.129.51.255 |
| CIDR Block | 102.129.51.0/24 |
| RIR | AFRINIC |
| Country | ZA |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | ms-51-147.megasurf.co.za |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ms-51-147.megasurf.co.za |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | 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 | AS327991 |
| Network Prefix | 102.129.48.0/21 |
| Route mapping | Found |
🎯 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 | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-07 13:56:28 UTC |
| Last Seen | 2026-10-06 08:53:30 UTC |
| Profile Built | 2026-10-06 08:53:52 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 102.129.51.147
Who owns the IP address 102.129.51.147?
102.129.51.147 is registered to Jacobus De Beer. The address falls within the 102.129.51.0/24 network block. Registration is held at AFRINIC.
Where is 102.129.51.147 located?
Geolocation data places 102.129.51.147 in Vanderbijlpark, Gauteng, South Africa. The local time zone is Africa/Johannesburg. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 102.129.51.147 malicious or safe?
102.129.51.147 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 102.129.51.147?
The reverse DNS (PTR) record for 102.129.51.147 is ms-51-147.megasurf.co.za. This hostname is forward-confirmed, meaning it resolves back to the same address.