# 171.231.189.169 — IP Intelligence Summary

171.231.189.169 is an IPv4 address operated by IRT-VNNIC-AP (AS7552), geolocated to Da Nang, Vietnam. Its reverse DNS name is dynamic-ip-adsl.viettel.vn. As of October 6, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/171.231.189.169
- Last updated: 2026-10-06

## Ownership

- Organization: IRT-VNNIC-AP
- Network name: VIETTEL-VN
- Allocated block: 171.224.0.0/11
- ASN: AS7552 (https://ipdebrief.com/asn/7552)
- Regional registry: APNIC

## Location

- City: Da Nang
- Region: Da Nang
- Country: Vietnam
- Time zone: Asia/Ho_Chi_Minh

## Network classification

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

## Risk assessment

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

## Reverse DNS

- dynamic-ip-adsl.viettel.vn
- Forward-confirmed: no

## Analyst narrative

\# IPDEBRIEF INTELLIGENCE BRIEFING

**Target IP:** 171.231.189.169/32

**Classification:** Low Risk - Residential ISP Endpoint

**Date:** Current intelligence cycle

**Status:** ACTIVE MONITORING

\---

\## EXECUTIVE SUMMARY

IP 171.231.189.169 is a low-risk residential endpoint assigned to Viettel Corporation's Vietnamese ADSL network. The IP demonstrates no active threat indicators, maintains a stable risk score of 25/100, and shows no evidence of malicious activity in observation history or threat intelligence feeds.

\---

\## TECHNICAL PROFILE

| Attribute | Value |

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

| **Risk Score** | 25/100 (Low Risk) |

| **ASN** | 7552 |

| **Organization** | IRT-VNNIC-AP / VIETTEL-VN |

| **Network Block** | 171.224.0.0/11 |

| **Country** | Vietnam (VN) |

| **Region/City** | Da Nang |

| **Timezone** | Asia/Ho_Chi_Minh |

| **Service Purpose** | Firewalled / No Services |

\---

\## NETWORK CLASSIFICATION

\- **Infrastructure Type:** Residential ISP Endpoint

\- **CDN/Cloud/Proxy:** Not detected

\- **Tor Exit Node:** No

\- **Known Attacker:** No

\- **Spam Source:** No

\- **Open Ports:** None detected

\- **TLS Certificate:** Not observed

\---

\## NEIGHBORHOOD ANALYSIS

**Subnet:** 171.231.189.0/24

**Classification:** mostly_clean

**Abuse Density:** 7.69% (1 threat sibling identified)

**Total Siblings:** 13

**Active Siblings:** 4

**Risk Distribution in /24:**

\- High Risk: 0 IPs

\- Medium Risk: 2 IPs

\- Low Risk: 10 IPs

**Notable Neighbors:** 171.231.189.73, 171.231.189.74 (both risk score 40), 171.231.189.45, 171.231.189.104, 171.231.189.157, 171.231.189.247 (all risk score 25-40)

\---

\## OBSERVATION HISTORY

**Total Observations:** 21 signal events

**Recent Activity (2026-07-28):**

\- Geographic resolution: 9,358.7 km distance, 246-248ms RTT

\- Geolocation validation: Plausible (Vietnam)

\- Network classification: Residential ISP

\- Abuse density: 0.0769 (consistent)

\- No banner captures or service detections

\- No certificate matches

**Temporal Trends:** No escalation patterns detected. Risk profile has remained stable with 0 ownership changes and 0 threat persistence days.

\---

\## THREAT INTELLIGENCE

**Threat Indicators:** None

**Known Campaigns:** None

**Blacklist Status:** 0 blacklist matches

**Threat Feeds:** Empty

**Campaign Likelihood:** None

**Control Plane:**

\- BGP Prefix: 171.231.184.0/21

\- Route Stability: Unstable (0 route changes in 30d)

\- DNSBL Listed: 1 of 8 total lists

\- Operator Score: 0.1304 (Minimal)

\---

\## DNS RELATIONSHIPS

**PTR Hostnames:** dynamic-ip-adsl.viettel.vn

**DNS Association:** Multiple A records to same hostname

**Domain:** viettel.vn

**Forward Resolution:** 1 record

\---

\## RECOMMENDED ACTIONS

**Risk-Based Recommendations:** None required

**Firewall Rules:** Not applicable for low-risk endpoint

**SOC Analyst Notes:**

\- This IP represents a normal residential customer endpoint on Viettel's ADSL infrastructure

\- No active threat signals warrant blocking or investigation

\- Standard monitoring practices apply; no elevated alerting needed

\- If this IP appears in logs, treat as legitimate residential traffic

\---

\## CONFIDENCE ASSESSMENT

**Data Confidence:** High (21 observations, multiple validation sources)

**Geolocation Confidence:** High (plausible, RTT-consistent)

**Risk Assessment:** Low (25/100, no threat indicators)

\---

*Generated by IPDebrief Intelligence Platform*

## Nearby addresses

- 171.231.189.26 (https://ipdebrief.com/171.231.189.26)
- 171.231.189.45 (https://ipdebrief.com/171.231.189.45)
- 171.231.189.73 (https://ipdebrief.com/171.231.189.73)
- 171.231.189.74 (https://ipdebrief.com/171.231.189.74)
- 171.231.189.104 (https://ipdebrief.com/171.231.189.104)
- 171.231.189.132 (https://ipdebrief.com/171.231.189.132)
- 171.231.189.154 (https://ipdebrief.com/171.231.189.154)
- 171.231.189.157 (https://ipdebrief.com/171.231.189.157)
- 171.231.189.173 (https://ipdebrief.com/171.231.189.173)
- 171.231.189.174 (https://ipdebrief.com/171.231.189.174)
- 171.231.189.187 (https://ipdebrief.com/171.231.189.187)
- 171.231.189.188 (https://ipdebrief.com/171.231.189.188)

---

Source: IPDebrief, "171.231.189.169 IP intelligence", https://ipdebrief.com/171.231.189.169, updated 2026-10-06. Assessments are probabilistic.