# 171.231.182.63 — IP Intelligence Summary

171.231.182.63 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 10, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/171.231.182.63
- Last updated: 2026-10-10

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

## Reverse DNS

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

## Analyst narrative

\# IP Intelligence Briefing: 171.231.182.63/32

**Classification:** LOW RISK — Residential ISP Assignment (Vietnam)

**Date:** 2026-07-25

**Analysis ID:** IPDEB-2026-0725-171-231-182-63

\---

\## Executive Summary

IP address 171.231.182.63 is a low-risk residential connection assigned to Viettel Vietnam. The IP exhibits no active threat indicators, maintains a risk score of 0, and shows no blacklist presence. The address is dynamically allocated within the Viettel broadband infrastructure, operating in Da Nang, Vietnam.

\---

\## Technical Profile

**Ownership:**

\- ASN: 7552 (IRT-VNNIC-AP)

\- Organization: VIETTEL-VN

\- CIDR Block: 171.224.0.0/11

\- Network Name: VIETTEL-VN

\- RIR: APNIC

**Geolocation:**

\- Country: Vietnam (VN)

\- Region: Da Nang

\- Coordinates: 14.06°N, 108.28°E (600km accuracy radius)

\- Timezone: Asia/Ho_Chi_Minh

**Network Classification:**

\- Infrastructure Type: Residential ISP

\- Connection Type: Firewalled / No Services

\- Open Ports: None detected

\- DNS PTR: dynamic-ip-adsl.viettel.vn

\- Reverse DNS: Forward confirmed (viettel.vn)

**Control Plane:**

\- BGP Prefix: 171.231.176.0/21

\- Route Stability: False

\- Operator Score: 0.1304 (Minimal)

\- DNSSEC: Valid

\- DNSBL Listed: 0/8 lists

\---

\## Threat Assessment

**Current Risk Status:**

\- Risk Score: 0

\- Abuse Confidence Score: Not applicable

\- Known Attacker: No

\- Tor Exit Node: No

\- Spam Source: No

\- Blacklist Count: 0

\- Threat Feeds: Empty

**Threat Indicators:** None detected across all threat feeds.

\---

\## Neighborhood Analysis (171.231.182.0/24)

**Subnet Statistics:**

\- Total Siblings: 8

\- Active Siblings: 5

\- Threat Siblings: 2

\- Abuse Density: 0.25 (25%)

\- Inherited Risk: 5

**Neighbor Risk Distribution:**

| IP Address | Risk Score | Authority Score |

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

| 171.231.182.74 | 49 | 50 |

| 171.231.182.136 | 25 | 50 |

| 171.231.182.149 | 0 | 50 |

| 171.231.182.175 | 0 | 50 |

| 171.231.182.182 | 15 | 50 |

| 171.231.182.206 | 50 | 50 |

| 171.231.182.249 | 25 | 50 |

The /24 subnet shows mixed classification with 25% abuse density. Two neighboring IPs (171.231.182.206, 171.231.182.74) exhibit elevated risk scores requiring monitoring.

\---

\## Observation History

**Signals Observed:** 17 total observations

**Latest Activity:** 2026-07-25

**Key Historical Signals:**

1. **Ownership** (Confidence: 0.85): No ownership changes detected; threat persistence: 0 days

2. **Subnet Classification** (Confidence: 0.75): Mixed classification, inherited risk: 5

3. **Geolocation** (Confidence: 0.52): Vietnam (Da Nang), 600km accuracy

4. **Operator Score** (Confidence: 0.60): Score 0.15, label "Minimal"

**Temporal Indicators:**

\- Ownership Changes: 0

\- Threat Persistence Days: 0

\- Is Persistently Malicious: False

\- Threat Observation Count: 1

\---

\## Relationships

**Network Relationships:**

\- VIETTEL-VN (5 associations)

**DNS Associations:**

\- dynamic-ip-adsl.viettel.vn (5 hostname associations)

\---

\## Recommended Actions

**Firewall/Security Rules:**

1. **Allow Traffic**: No blocking recommended for this IP. The risk profile indicates legitimate residential usage.

2. **Monitor Subnet**: Monitor the 171.231.182.0/24 subnet for elevated activity from neighbors 171.231.182.206 and 171.231.182.74 (risk scores 50 and 49 respectively).

3. **DNS Verification**: Validate PTR records for incoming connections from the viettel.vn domain.

4. **Baseline Establishment**: Establish communication baselines for future anomaly detection.

**No immediate blocking or filtering actions required.**

\---

\## Conclusion

IP 171.231.182.63 represents a low-risk residential connection from Viettel Vietnam's ISP infrastructure. No malicious activity or threat indicators have been detected. The IP should be permitted through firewalls with standard residential traffic policies. SOC teams should monitor the associated /24 subnet for emerging threats from neighboring IPs with elevated risk scores.

## Nearby addresses

- 171.231.182.9 (https://ipdebrief.com/171.231.182.9)
- 171.231.182.15 (https://ipdebrief.com/171.231.182.15)
- 171.231.182.26 (https://ipdebrief.com/171.231.182.26)
- 171.231.182.60 (https://ipdebrief.com/171.231.182.60)
- 171.231.182.74 (https://ipdebrief.com/171.231.182.74)
- 171.231.182.114 (https://ipdebrief.com/171.231.182.114)
- 171.231.182.136 (https://ipdebrief.com/171.231.182.136)
- 171.231.182.143 (https://ipdebrief.com/171.231.182.143)
- 171.231.182.149 (https://ipdebrief.com/171.231.182.149)
- 171.231.182.175 (https://ipdebrief.com/171.231.182.175)
- 171.231.182.182 (https://ipdebrief.com/171.231.182.182)
- 171.231.182.200 (https://ipdebrief.com/171.231.182.200)

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Source: IPDebrief, "171.231.182.63 IP intelligence", https://ipdebrief.com/171.231.182.63, updated 2026-10-10. Assessments are probabilistic.