138.28.172.4
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
- Not on any threat blocklist +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 →
Network Allocation for 138.28.172.4
- CIDR range
- 138.28.172.0/24
- IP range (int)
- 2,317,134,848 — 2,317,135,103
- Prefix length
- /24
- Organization
- United Telephone Company
- ASN
- AS40237
- ASN name
- United Telephone Company
- Location
- Nolensville, Tennessee, United States
- Coordinates
- 35.952300, -86.669400
- Accuracy radius
- 5 km
- Postal code
- 37135
- Regional Internet Registry
- ARIN
- Allocated
- 2025-10-06
- Data source(s)
- maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
- Last updated
- 2026-07-21 04:08:37
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 138.28.172.4?
138.28.172.4 is allocated to United Telephone Company (AS40237), registered in Nolensville, United States.
Where is 138.28.172.4 located?
The geolocation for 138.28.172.4 maps to Nolensville, United States 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 138.28.172.4 on?
138.28.172.4 belongs to the 138.28.172.0/24 network block announced by AS40237. This range contains 256 addresses.
Does 138.28.172.4 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.
