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CIDR
/20 · 4.1K IPs
ASN
China Unicom IP network China169 Guangdong province
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 221.4.132.207

CIDR range
221.4.128.0/20
IP range (int)
3,708,059,648 — 3,708,063,743
Prefix length
/20
Organization
China Unicom IP network China169 Guangdong province
ASN
AS17816
ASN name
China Unicom IP network China169 Guangdong province
Location
Foshan, Guangdong, China
Coordinates
23.024200, 113.133400
Accuracy radius
100 km
Regional Internet Registry
APNIC
Allocated
2003-01-08
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-08 12:21:29

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
6,540
Last seen
2026-07-18 10:52:56

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation CN

See the full history for 221.0.0.0/13.

Frequently Asked Questions

Who owns 221.4.132.207?

221.4.132.207 is allocated to China Unicom IP network China169 Guangdong province (AS17816), registered in Foshan, China.

Where is 221.4.132.207 located?

The geolocation for 221.4.132.207 maps to Foshan, China based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 221.4.132.207 on?

221.4.132.207 belongs to the 221.4.128.0/20 network block announced by AS17816. This range contains 4,096 addresses.

Does 221.4.132.207 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-18 09:10:59 UTC
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