# 102.129.51.186 — IP Intelligence Summary

102.129.51.186 is an IPv4 address operated by Jacobus De Beer (AS327991), geolocated to Vanderbijlpark, South Africa. Its reverse DNS name is ms-51-186.megasurf.co.za. As of September 21, 2026, IPDebrief rates it High Risk (80/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/102.129.51.186
- Last updated: 2026-09-21

## Ownership

- Organization: Jacobus De Beer
- Network name: 102.129.51.0 - 102.129.51.255
- Allocated block: 102.129.51.0/24
- ASN: AS327991 (https://ipdebrief.com/asn/327991)
- Regional registry: AFRINIC

## Location

- City: Vanderbijlpark
- Region: Gauteng
- Country: South Africa
- Time zone: Africa/Johannesburg

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: High Risk (80/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ms-51-186.megasurf.co.za
- Forward-confirmed: yes

## Analyst narrative

\# IP Threat Intelligence Briefing

**Target:** 102.129.51.186/32

**Classification:** Low Risk – No Immediate Threat Indicators

**Generated:** Current

\---

\## Executive Summary

IP 102.129.51.186 presents as a low-risk address with a risk score of 15. The address is currently firewalled with no active services exposed. No malicious indicators, known attacker associations, or blacklist entries were detected. However, geolocation data shows inconsistencies that warrant monitoring.

\---

\## Key Findings

\### Ownership & Registration

\- **ASN:** 327991 (Origin)

\- **RIR:** AFRINIC

\- **CIDR Block:** 102.129.51.0/24

\- **Organization:** Jacobus De Beer

\- **Network Name:** 102.129.51.0 - 102.129.51.255

\- **Abuse Contact:** Not provided

\### Geolocation Discrepancies

Multiple data sources report conflicting locations:

\- **Profile:** GB (London), timezone Europe/London

\- **History Signals:** ZA (South Africa), Vanderbijlpark, Gauteng

\- **Geolocation Confidence:** Low to moderate (0.35–0.70 across sources)

\- **Route:** 30 hops, 13 timed out, transit via Comcast

\### Network Characteristics

\- **Service Status:** Firewalled / No Services

\- **Open Ports:** None detected

\- **DNS PTR:** ms-51-186.megasurf.co.za (Zimbabwe/SA domain)

\- **Forward Resolution:** Confirmed (1 record)

\- **Email Auth:** SPF and DMARC records present

\- **TLS/HTTP:** No certificates, titles, or banners detected

\### Threat Indicators

\- **Risk Score:** 15 (Low)

\- **Tor Exit Node:** No

\- **Known Attacker:** No

\- **Spam Source:** No

\- **Blacklist Count:** 0

\- **DNSBL Listed:** 1 of 8 lists

\- **Campaign Likelihood:** Not identified

\- **Cert Matches:** 0

\### Control Plane Analysis

\- **Route Stability:** False (route changes observed)

\- **RPKI State:** Not available

\- **IRR Consistency:** Not available

\- **Operator Score:** 0.2609 (Basic)

\- **Delegation Age:** Not available

\---

\## Neighborhood Analysis

**Subnet:** 102.129.51.0/24

**Total Neighbors:** 72 IPs

**Abuse Density:** 0

**Risk Distribution:** 0 High, 35 Medium, 17 Low

**Notable Neighbors:**

\- 102.129.51.2 (Risk: 55, Authority: 60)

\- 102.129.51.9 (Risk: 0, Authority: 50)

\- 102.129.51.10 (Risk: 55, Authority: 60)

\- 102.129.51.16 (Risk: 0, Authority: 50)

The subnet exhibits mixed risk profiles with no dominant malicious cluster.

\---

\## Historical Observation

\- **Total Observations:** 14 signals

\- **Recent Activity:** Multiple observations recorded from 2026-07-18

\- **Threat Persistence:** 0 days

\- **Ownership Changes:** 0

\- **Status:** Not persistently malicious

\---

\## Related Entities

**DNS Associations:**

\- ms-51-186.megasurf.co.za (appears in 2 relationship records)

No organizational or subnet-level relationships identified beyond DNS associations.

\---

\## Recommended Actions

No specific firewall rules or mitigations recommended based on current risk profile. The IP presents low risk with no active threat indicators.

**SOC Analyst Guidance:**

1. Monitor for geolocation inconsistencies if this IP appears in incident traffic

2. Review subnet-level activity for the 102.129.51.0/24 block, particularly addresses 102.129.51.2 and 102.129.51.10 with elevated risk scores

3. No immediate blocking required; maintain standard monitoring practices

\---

**Status:** Monitor – Low Risk

**Priority:** Low

**Next Review:** As needed or upon threat indicator emergence

## Nearby addresses

- 102.129.51.2 (https://ipdebrief.com/102.129.51.2)
- 102.129.51.9 (https://ipdebrief.com/102.129.51.9)
- 102.129.51.10 (https://ipdebrief.com/102.129.51.10)
- 102.129.51.13 (https://ipdebrief.com/102.129.51.13)
- 102.129.51.15 (https://ipdebrief.com/102.129.51.15)
- 102.129.51.16 (https://ipdebrief.com/102.129.51.16)
- 102.129.51.22 (https://ipdebrief.com/102.129.51.22)
- 102.129.51.23 (https://ipdebrief.com/102.129.51.23)
- 102.129.51.25 (https://ipdebrief.com/102.129.51.25)
- 102.129.51.26 (https://ipdebrief.com/102.129.51.26)
- 102.129.51.36 (https://ipdebrief.com/102.129.51.36)
- 102.129.51.37 (https://ipdebrief.com/102.129.51.37)

---

Source: IPDebrief, "102.129.51.186 IP intelligence", https://ipdebrief.com/102.129.51.186, updated 2026-09-21. Assessments are probabilistic.