# 47.128.121.189 — IP Intelligence Summary

47.128.121.189 is an IPv4 address operated by Amazon Data Services Singapore (AS16509), geolocated to Singapore, Singapore. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-47-128-121-189.ap-southeast-1.compute.amazonaws.com. As of November 6, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/47.128.121.189
- Last updated: 2026-11-06

## Ownership

- Organization: Amazon Data Services Singapore
- Network name: AMAZON-SIN
- Allocated block: 47.128.0.0/14
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Singapore
- Region: SG
- Country: Singapore
- Time zone: Asia/Singapore

## Network classification

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

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ec2-47-128-121-189.ap-southeast-1.compute.amazonaws.com
- Forward-confirmed: yes

## Analyst narrative

\# Intelligence Briefing: 47.128.121.189/32

**Date:** 2026-08-05

**Classification:** LOW RISK

\---

\## Executive Summary

IP address 47.128.121.189 is a low-risk infrastructure address associated with Amazon Web Services in Singapore. Analysis of the full intelligence profile, observation history, relationship graph, and neighborhood data indicates this is a legitimate cloud hosting resource with no active threat indicators. No security action is recommended.

\---

\## Infrastructure Profile

| Attribute | Value |

|-----------|-------|

| **IP Address** | 47.128.121.189/32 |

| **Risk Score** | 0 |

| **Provider** | Amazon Web Services (AWS) |

| **ASN** | 16509 (Amazon.com, Inc.) |

| **Organization** | Amazon Data Services Singapore |

| **CIDR Block** | 47.128.0.0/14 |

| **Location** | Singapore (1.35°N, 103.82°E) |

| **RIR** | ARIN |

| **Classification** | Cloud Infrastructure |

**DNS Resolution:**

\- PTR Record: \`ec2-47-128-121-189.ap-southeast-1.compute.amazonaws.com\`

\- Forward Resolution: Confirmed

\- Domain: amazonaws.com

\---

\## Threat Assessment

**Threat Indicators:** None detected

\- Blacklist Count: 0

\- Abuse Confidence Score: Not applicable

\- Known Campaigns: None

\- Tor Exit Node: No

\- Known Attacker: No

\- Spam Source: No

**Network Role:**

\- Service Purpose: Firewalled / No Services

\- Open Ports: None detected

\- Infrastructure Type: Unknown (cloud-based)

\---

\## Neighborhood Analysis (47.128.121.0/24)

| Metric | Value |

|--------|-------|

| Total Siblings | 106 |

| Active Siblings | 84 |

| Threat Siblings | 15 |

| Abuse Density | 0.1415 (Low) |

| Classification | Mostly Clean |

| Inherited Risk | 5 |

**Risk Distribution:** High: 0, Medium: 4, Low: 92

\---

\## Observation History

Total observations: 22

**Recent Activity:**

\- **2026-08-05:** Multiple geolocation signals confirming Singapore location via multi-signal inference and MaxMind GeoLite2.

\- **2026-07-27:** Various geolocation and ownership signals recorded.

**Temporal Analysis:**

\- Ownership Changes: 0

\- Threat Persistence Days: 0

\- Threat Observation Count: 0

\- Is Persistently Malicious: No

\---

\## Relationship Graph

\- **DNS Associations:** \`ec2-47-128-121-189.ap-southeast-1.compute.amazonaws.com\` (multiple entries)

\- **Network Affiliation:** AMAZON-SIN (Amazon Singapore network)

\---

\## Recommended Actions

**Status:** No action required

The IP address presents no security risk based on current intelligence. This is a standard AWS EC2 instance in Singapore's ap-southeast-1 region. No firewall rules or blocking recommendations are warranted.

\---

**Analysis Notes:**

This IP address is part of Amazon's cloud infrastructure with proper DNS reverse and forward confirmation. The absence of open ports, threat indicators, and blacklist listings confirms normal cloud hosting behavior. The subnet shows a healthy abuse density ratio typical of major cloud providers.

**Source:** IPDebrief Intelligence Platform

**Confidence:** High

## Nearby addresses

- 47.128.121.6 (https://ipdebrief.com/47.128.121.6)
- 47.128.121.7 (https://ipdebrief.com/47.128.121.7)
- 47.128.121.8 (https://ipdebrief.com/47.128.121.8)
- 47.128.121.9 (https://ipdebrief.com/47.128.121.9)
- 47.128.121.12 (https://ipdebrief.com/47.128.121.12)
- 47.128.121.13 (https://ipdebrief.com/47.128.121.13)
- 47.128.121.14 (https://ipdebrief.com/47.128.121.14)
- 47.128.121.16 (https://ipdebrief.com/47.128.121.16)
- 47.128.121.17 (https://ipdebrief.com/47.128.121.17)
- 47.128.121.18 (https://ipdebrief.com/47.128.121.18)
- 47.128.121.19 (https://ipdebrief.com/47.128.121.19)
- 47.128.121.52 (https://ipdebrief.com/47.128.121.52)

---

Source: IPDebrief, "47.128.121.189 IP intelligence", https://ipdebrief.com/47.128.121.189, updated 2026-11-06. Assessments are probabilistic.