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
- Long-established allocation (19y) +6
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 99.138.52.0/22
99.138.52.0/22 runs from 99.138.52.0 to 99.138.55.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 99.136.0.0/14.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 99.138.52.0/22?
99.138.52.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 99.138.52.0 to 99.138.55.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 99.138.52.0/22 network?
The 99.138.52.0/22 range is allocated to AT&T Enterprises, LLC and announced via AS7018 from United States.
