Check-Host.cc

IP Address IPv4

81.70.160.77

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

Run a live full scan of 81.70.160.77

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
AS45090
Tencent-CN
Country
CN
China
Reverse DNS
PTR
Open Ports
2
Last scan

Autonomous System

ASN
AS Name
Tencent-CN
AS Type
RIR
APNIC
Allocated
2002-01-11
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
80 tcp http 2026-06-18 17:07:21.000
443 tcp https nginx 2026-06-21 16:51:39.000

TLS Certificates

Port 443 d88782bd35e7…
Subject: 123.5bei.cn
Issuer: YR2
SANs: 123.5bei.cn, www.123.5bei.cn
Valid 2026-06-03 18:01:01 → 2026-09-01 18:01:00

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.

Hosted Domains

4 domains resolve (A-record) to this IP.

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 2026-08-03.

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 aigc网址导航 | 带你玩转AIGC 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.

www.123.5bei.cn DNS-confirmed
file.5bei.cn DNS-confirmed
www.123.5bei.cn DNS-confirmed
www.123.5bei.cn DNS-confirmed
123.5bei.cn DNS-confirmed
www.5bei.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.

t3.gstatic.cn href · ×49
www.bing.com href · ×5
huggingface.co href · ×5
github.com href · ×3
plugins.jetbrains.com href · ×3
bard.google.com href · ×3
snyk.io href · ×2
kimi.moonshot.cn href · ×2
getliner.com href · ×2
library.relume.io href · ×2
debuild.app href · ×2
chat.360.com href · ×2
chat.openai.com href · ×2
www.kaggle.com href · ×2
janitorai.com href · ×2
ai.sohu.com href · ×2
s.taobao.com href · ×2
aws.amazon.com href · ×2
cursor.sh href · ×2
www.wix.com href · ×2
codedamn.com href · ×2
deepmind.google href · ×2
chrome.google.com href · ×2
www.doubao.com href · ×2
bento.me href · ×2
yourgpt.ai href · ×2
www.coze.com href · ×2
c.ai href · ×2
www.lepton.ai href · ×2
10web.io href · ×2
langfuse.com href · ×2
bubble.io href · ×2
www.dora.run href · ×2
www.xiaoice.com href · ×2
sdn.geekzu.org href · ×2
www.edenai.co href · ×2
chat.dhs8.com href · ×2
xinghuo.xfyun.cn href · ×2
www.chai-research.com href · ×2
tiledesk.com href · ×2
www.forefront.ai href · ×2
qwik.dev href · ×2
chat.tiangong.cn href · ×2
www.baidu.com href · ×2
yiyan.baidu.com href · ×2
replika.com href · ×2
carrd.co href · ×2
tongyi.aliyun.com href · ×2
www.tryleap.ai href · ×2
www.glideapps.com href · ×2
devv.ai href · ×2
www.langdock.com href · ×2
js.design href · ×2
n8n.io href · ×2
www.phind.com href · ×2
zyro.com href · ×2
v0.dev href · ×2
cn.bing.com href · ×2
chatglm.cn href · ×2
lightning.ai href · ×1
instantart.io href · ×1
www.kuaidi100.com href · ×1
link.chinaz.com href · ×1
addcontext.xyz href · ×1
arthub.ai href · ×1
workspace.google.com href · ×1
exploreai.vercel.app href · ×1
slashdreamer.com href · ×1
cohere.ai href · ×1
www.perplexity.ai href · ×1
www.so.com href · ×1
www.boloforms.com href · ×1

History

First observed
2026-06-18 17:07
Last observed
2026-06-21 16:51
Scan observations
3

The full change-log (ASN moves, cert rotations, port-state diffs) accumulates as our archives grow.