Check-Host.cc

IP Address IPv4

211.149.235.37

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of 211.149.235.37

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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ASN
AS38283
Click for details
Country
CN
China
Reverse DNS
PTR
Open Ports
2
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
APNIC
Allocated
2006-11-14
Allocation status
Allocated

Geolocation

Country
CN · China
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
443 tcp https nginx 2026-06-16 14:04:51.000
888 tcp 2026-06-20 07:51:30.000

TLS Certificates

Port 443 e99ddf1721f8…
Subject: www.chai.net.cn
Issuer: Encryption Everywhere DV TLS CA - G2
SANs: chai.net.cn, www.chai.net.cn
Valid 2026-01-20 00:00:00 → 2026-04-19 23:59:59

Tech Stack

Detected via Wappalyzer-style rules on the HTTP response body, headers, scripts and meta tags.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-leak candidates for this IP

When this IP serves a TLS cert for a domain that fronts behind a CDN, that domain surfaces here as an origin-leak candidate with a confidence score.

Multi-Vantage Check

Reachability accrued passively from real user-triggered checks across our 65+ probe nodes. Run a live check to add fresh data.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-07-31.

No accumulated reachability data yet

Reachability accrues from real user-triggered checks. Trigger a Ping or HTTP check from our 65+ probe nodes to contribute the first data point.

Web Pages

Port Page title Status Flags
443 Chai导航 - AI工具 | 专业导航站点 | Chai导航网站 200

Threat Intelligence

No threat-intel matches

This IP doesn't appear in any of the feeds we mirror (Tor exits, FireHOL Level 1-3, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Absence here doesn't prove the IP is clean — it just means none of our public-feed sources flag it.

Co-Hosted Domains

Domains this host references in its HTML AND whose DNS A/AAAA record resolves back to this IP — i.e. actually hosted here.

chai.net.cn DNS-confirmed
chai.net.cn DNS-confirmed

External References

Domains the body links to whose DNS does NOT resolve to this IP — usually CDN assets, embeds, or third-party services. Boilerplate (Google Fonts, jsDelivr, w3.org…) is already filtered.

t0.gstatic.cn href · ×222
www.douyu.com href · ×15
ac.qq.com href · ×10
manga.bilibili.com href · ×5
www.disneyplus.com href · ×5
www.huya.com href · ×5
sports.pptv.com href · ×5
www.500d.me href · ×5
www.princeton.edu href · ×5
www.zhipin.com href · ×5
tv.cctv.com href · ×5
v.qq.com href · ×5
anime.dmkt-sp.jp href · ×5
www.bilibili.com href · ×5
pony.town href · ×5
www.zhaopin.com href · ×5
www.primevideo.com href · ×5
www.kuaikanmanhua.com href · ×5
www.uchicago.edu href · ×5
www.funimation.com href · ×5
www.07vods.cc href · ×5
www.douyin.com href · ×5
live.bilibili.com href · ×5
kimi.moonshot.cn href · ×5
www.linovelib.com href · ×5
www.lwxsw.org href · ×5
chato.cn href · ×5
drive.uc.cn href · ×5
www.zhangyue.com href · ×5
www.sudugu.com href · ×5
aniuta.co.jp href · ×5
www.stanford.edu href · ×5
abema.tv href · ×5
im.qq.com href · ×5
www.liepin.com href · ×5
pan.quark.cn href · ×5
easylink.cc href · ×5
www.younow.com href · ×5
www.berkeley.edu href · ×5
pan.baidu.com href · ×5
www.espn.com href · ×5
www.microsoft.com href · ×5
www.rongshuxia.com href · ×5
www.kuaishou.com href · ×5
www.gulingai.com href · ×5
www.mayi93.com href · ×5
www.youku.com href · ×5
www.vudu.com href · ×5
www.hidive.com href · ×5
xrzww.com href · ×5
www.anthropic.com href · ×5
www.atymapp.com href · ×5
www.acfun.cn href · ×5
www.netflix.com href · ×5
www.iqiyi.com href · ×5
www.lagou.com href · ×5
vrv.co href · ×5
www.plex.tv href · ×5
www.peacocktv.com href · ×5
yiyan.baidu.com href · ×5
www.huajiao.com href · ×5
www.u-tokyo.ac.jp href · ×5
www.jjwxc.net href · ×5
chat.baidu.com href · ×5
www.hbomax.com href · ×5
www.yale.edu href · ×5
www.51job.com href · ×5
www.harvard.edu href · ×5
bj.ganji.com href · ×5
cowtransfer.com href · ×5
www.yjhygw.com href · ×5
58.com href · ×5
www.n.cn href · ×5
www.nba.com href · ×5
livestream.com href · ×5
www.hongxiu.com href · ×5
www.doubao.com href · ×5
www.crunchyroll.com href · ×5

History

Historical change-log pending

ASN changes, prefix re-allocations, cert rotations, port-state diffs over months — accumulates as our archives grow.