Location, ISP, ASN, timezone and coordinates for 2400:3200::1.
This is Alibaba (China Zhejiang Hangzhou, AS45102), a well-known public DNS server.
Traffic from this address is routine DNS infrastructure queries — site operators need not block it. However, if this IP appears as an email sender, treat with high suspicion: public DNS servers do not send mail, and a match indicates spoofing or misconfiguration.
Independent offline databases (ip2region vs GeoLite2) may disagree on an IP's location; both are third-party judgments for reference only. The page's primary location prefers ip2region.
Data source: ip2region+GeoLite2 (local offline databases)
Security Assessment & Risk
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IP History Archive
- 2026-09-16 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-15 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-13 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-12 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-11 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-09 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-08 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-06 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-05 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-04 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-03 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-02 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-09-01 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-30 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-29 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-28 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-27 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-26 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-25 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-23 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-22 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-21 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-20 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-19 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
- 2026-08-18 中国 浙江省 杭州市 阿里 · AS45102 Datacenter / Cloud
Deep Analysis
AS45102（Alibaba (US) Technology Co., Ltd.） (Alibaba) manages the 2400:3200::/32 prefix block (approximately 1 addresses) in the Datacenter / Cloud category. Alibaba Cloud China-region public cloud and CDN nodes, the largest cloud infrastructure in China. The IP 2400:3200::1 resides in China Zhejiang Hangzhou (timezone Asia/Shanghai); its position within this block determines routing behavior and connectivity characteristics.
No reverse DNS (PTR) record is configured, which is common for dynamically assigned or CGNAT'd addresses but limits reverse verification capability. Datacenter IPs generally have properly configured PTR records; the absence here is unusual and may indicate a legacy allocation or misconfiguration.
Based on local classification and Spamhaus real-time reputation, no blacklist entries detected, associated risks: datacenter. The Cloud server / datacenter category indicates this IP is part of normal Datacenter / Cloud infrastructure and carries low inherent risk. As a datacenter address, risk-control focus should be on request patterns (user-agent, frequency, behavior chains) rather than the IP alone.
Recommendation: 2400:3200::1 is a datacenter/cloud IP — it may host legitimate services (APIs, CDNs, bots) or serve as an attack vector. Evaluate each request context: allow known API integrations, challenge or block unknown automated traffic, and never trust the client-reported IP for geo-based decisions.
Datacenter IPs are frequently used for legitimate API integrations, automated monitoring and infrastructure tasks — evaluate each request context before blocking. If you need to distinguish automation from real-user traffic, focus on request headers (User-Agent, Accept) and behavioral patterns rather than IP reputation alone.
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