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.
- Baseline (neutral) 65
- Active-threat / abuse risk −35
- Long-established allocation (15y) +6
- Trust score 36 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 221.128.132.173
- CIDR range
- 221.128.132.0/22
- IP range (int)
- 3,716,187,136 — 3,716,188,159
- Prefix length
- /22
- Location
- China
- Coordinates
- 34.773200, 113.722000
- Accuracy radius
- 1000 km
- Regional Internet Registry
- APNIC
- Allocated
- 2011-04-12
- Data source(s)
- ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-07-18 18:06:17
Frequently Asked Questions
Who owns 221.128.132.173?
221.128.132.173 is allocated to an unknown organization, registered in China.
Where is 221.128.132.173 located?
The geolocation for 221.128.132.173 maps to 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 221.128.132.173 on?
221.128.132.173 belongs to the 221.128.132.0/22 network block. This range contains 1,024 addresses.
Does 221.128.132.173 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.
