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CIDR
/19 · 8.2K IPs
ASN
Chinanet
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.

76/100
Moderate
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 183.63.73.166

CIDR range
183.63.64.0/19
IP range (int)
3,074,375,680 — 3,074,383,871
Prefix length
/19
Organization
Chinanet
ASN
AS4134
ASN name
Chinanet
Location
Guangzhou, Guangdong, China
Coordinates
23.118100, 113.253900
Accuracy radius
10 km
Regional Internet Registry
APNIC
Allocated
2009-10-09
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-07 00:22:13

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

Announced prefix
Origin AS
Announcement samples
14,954
Last seen
2026-07-18 19:44:44

Frequently Asked Questions

Who owns 183.63.73.166?

183.63.73.166 is allocated to Chinanet (AS4134), registered in Guangzhou, China.

Where is 183.63.73.166 located?

The geolocation for 183.63.73.166 maps to Guangzhou, 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 183.63.73.166 on?

183.63.73.166 belongs to the 183.63.64.0/19 network block announced by AS4134. This range contains 8,192 addresses.

Does 183.63.73.166 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 09:09:47 UTC
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