# 102.64.45.121 — IP Intelligence Summary

102.64.45.121 is an IPv4 address operated by Jacobus De Beer (AS327991), geolocated to Vanderbijlpark, South Africa. Its reverse DNS name is ms-45-121.megasurf.co.za. As of September 1, 2026, IPDebrief rates it Moderate Risk (55/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/102.64.45.121
- Last updated: 2026-09-01

## Ownership

- Organization: Jacobus De Beer
- Network name: 102.64.45.0 - 102.64.45.255
- Allocated block: 102.64.45.0/24
- 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 (55/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ms-45-121.megasurf.co.za
- Forward-confirmed: yes

## Analyst narrative

\# IP INTELLIGENCE BRIEFING: 102.64.45.121/32

\## EXECUTIVE SUMMARY

IP address 102.64.45.121 presents as a **Moderate Risk** asset (risk score: 55) associated with South African infrastructure. The IP shows no active malicious indicators but is DNSBL-listed and exhibits moderate neighborhood abuse density. No immediate blocking action required; monitor for behavioral changes.

\---

\## OWNERSHIP & INFRASTRUCTURE

\- **Organization:** Jacobus De Beer

\- **ASN:** 327991

\- **CIDR Block:** 102.64.45.0/24

\- **RIR:** AFRINIC

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

\- **Network State:** Firewalled / No services detected

**DNS Resolution:**

\- PTR Hostname: ms-45-121.megasurf.co.za

\- Forward Resolution: Confirmed

\- Email Auth: SPF and DMARC records present

\---

\## THREAT ASSESSMENT

**Current Risk Indicators:**

\- DNSBL Listings: 3 out of 8 total lists

\- No open ports or active services

\- No known attacker indicators

\- Not a Tor exit node or proxy

\- No identified malware campaigns

**Risk Classification:** Moderate Risk (55/100)

\- Provider Score: 0

\- Authority Score: 0

\- Abuse Confidence Score: Not calculated

\---

\## NEIGHBORHOOD ANALYSIS

**Subnet Profile (102.64.45.0/24):**

\- Total Siblings: 110 IPs

\- Active Siblings: 44 IPs

\- Threat Siblings: 8 IPs

\- Abuse Density: 0.0727 (moderate)

\- Subnet Classification: Mostly Clean

\- Inherited Risk Score: 2

**Risk Distribution in /24:**

\- High Risk: 3 IPs

\- Medium Risk: 70 IPs

\- Low Risk: 15 IPs

**Notable High-Risk Neighbors:**

\- 102.64.45.7 (risk score: 80)

\- 102.64.45.3 (risk score: 55)

\- 102.64.45.5 (risk score: 40)

\---

\## OBSERVATION HISTORY

**Total Signals Observed:** 14

**Latest Observation:** 2026-07-27

**Key Historical Signals:**

\- Country-level geolocation (South Africa): Confidence 70%

\- Subnet abuse density classification: Mostly Clean

\- Ownership stability: No changes detected

\- Threat persistence: None observed

**Temporal Analysis:**

\- Ownership Changes: 0

\- Threat Observation Count: 0

\- Persistently Malicious: False

\- Route Stability: False (BGP prefix changes detected)

\---

\## RELATIONSHIP MAPPING

**Identified Relationships:**

\- DNS Association: ms-45-121.megasurf.co.za

\- Network Association: 102.64.45.0 - 102.64.45.255

\- No certificate associations

\- No correlated campaign IPs

\---

\## RECOMMENDED ACTIONS

**No immediate blocking actions required.**

**Monitoring Recommendations:**

1. Monitor for DNSBL additions or removals

2. Watch for new open ports or service changes

3. Track neighborhood risk trends for 102.64.45.0/24

4. Review firewall logs for outbound connections to this IP

**Thresholds for Escalation:**

\- Risk score increases to 70+

\- Additional DNSBL listings

\- Emergence of threat indicators

\- Neighborhood abuse density exceeds 0.15

\---

\## ANALYST NOTES

This IP represents a residential or low-risk infrastructure asset based on the "Firewalled / No Services" designation and the megasurf.co.za hostname pattern. The moderate risk score is primarily driven by DNSBL listings rather than active threat behavior. The neighborhood shows mixed risk levels, with 8 threat siblings requiring individual assessment. No immediate threat to monitored systems detected.

## Nearby addresses

- 102.64.45.1 (https://ipdebrief.com/102.64.45.1)
- 102.64.45.3 (https://ipdebrief.com/102.64.45.3)
- 102.64.45.4 (https://ipdebrief.com/102.64.45.4)
- 102.64.45.5 (https://ipdebrief.com/102.64.45.5)
- 102.64.45.7 (https://ipdebrief.com/102.64.45.7)
- 102.64.45.9 (https://ipdebrief.com/102.64.45.9)
- 102.64.45.11 (https://ipdebrief.com/102.64.45.11)
- 102.64.45.12 (https://ipdebrief.com/102.64.45.12)
- 102.64.45.15 (https://ipdebrief.com/102.64.45.15)
- 102.64.45.18 (https://ipdebrief.com/102.64.45.18)
- 102.64.45.19 (https://ipdebrief.com/102.64.45.19)
- 102.64.45.22 (https://ipdebrief.com/102.64.45.22)

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Source: IPDebrief, "102.64.45.121 IP intelligence", https://ipdebrief.com/102.64.45.121, updated 2026-09-01. Assessments are probabilistic.