# 101.200.57.251 — IP Intelligence Summary

101.200.57.251 is an IPv4 address operated by ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN (AS37963), with approximate network location Beijing, China. As of November 14, 2026, IPDebrief rates it Low Risk (30/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/101.200.57.251
- Last updated: 2026-11-14

## Ownership

- Organization: security trouble
- Network name: ALISOFT
- Allocated block: 101.200.0.0/15
- ASN: AS37963 (https://ipdebrief.com/asn/37963)
- Regional registry: APNIC
- Registered holder: security trouble
- Routing operator: ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN
- Network registration country: CN
- Registrant address country: —

## Location

- City: Beijing
- Region: Beijing
- Country: China
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (30/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not applicable (—)
- spf: Not checked (—)
- dmarc: Not checked (—)
- dnssec: Unknown / lookup inconclusive (251.57.200.101.in-addr.arpa)
- fcrDns: Not applicable

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Source: IPDebrief, "101.200.57.251 IP intelligence", https://ipdebrief.com/101.200.57.251, updated 2026-11-14. Assessments are probabilistic.