# 42.1.77.133 — IP Intelligence Summary

42.1.77.133 is an IPv4 address operated by Do Quang Duong (AS131429), geolocated to Hanoi, Vietnam. As of November 5, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/42.1.77.133
- Last updated: 2026-11-05

## Ownership

- Organization: Do Quang Duong
- Network name: MOBIFONE-VN
- Allocated block: 42.1.64.0/18
- ASN: AS131429 (https://ipdebrief.com/asn/131429)
- Regional registry: APNIC

## Location

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

## Nearby addresses

- 42.1.77.96 (https://ipdebrief.com/42.1.77.96)
- 42.1.77.101 (https://ipdebrief.com/42.1.77.101)
- 42.1.77.112 (https://ipdebrief.com/42.1.77.112)
- 42.1.77.114 (https://ipdebrief.com/42.1.77.114)
- 42.1.77.115 (https://ipdebrief.com/42.1.77.115)
- 42.1.77.125 (https://ipdebrief.com/42.1.77.125)
- 42.1.77.158 (https://ipdebrief.com/42.1.77.158)
- 42.1.77.176 (https://ipdebrief.com/42.1.77.176)
- 42.1.77.216 (https://ipdebrief.com/42.1.77.216)
- 42.1.77.231 (https://ipdebrief.com/42.1.77.231)
- 42.1.77.239 (https://ipdebrief.com/42.1.77.239)
- 42.1.77.241 (https://ipdebrief.com/42.1.77.241)

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Source: IPDebrief, "42.1.77.133 IP intelligence", https://ipdebrief.com/42.1.77.133, updated 2026-11-05. Assessments are probabilistic.