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
- Isp allocation +5
- Recently allocated (1y) −3
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
All 1 IP addresses in 138.28.175.21/32
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 138.28.128.0/18.
Frequently Asked Questions
What is 138.28.175.21/32?
138.28.175.21/32 is a CIDR network block containing 1 IPv4 addresses (from 138.28.175.21 to 138.28.175.21). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 138.28.175.21/32 network?
The 138.28.175.21/32 range is allocated to United Telephone Company and announced via AS40237 from United States.
How many IP addresses are in 138.28.175.21/32?
138.28.175.21/32 contains exactly 1 usable IPv4 addresses. A /32 prefix length means 1 addresses are covered by this single routing entry.
