# 102.129.51.147 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/102.129.51.147
- Last updated: 2026-10-06

## 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: Moderate Risk (40/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ms-51-147.megasurf.co.za
- Forward-confirmed: yes

## Analyst narrative

\# 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.

\---

\## 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)

\---

\## 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

\---

\## 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)

\---

\## 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

\---

\## 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

\---

\## 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.

## 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, "102.129.51.147 IP intelligence", https://ipdebrief.com/102.129.51.147, updated 2026-10-06. Assessments are probabilistic.