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 (43y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 12.76.72.0/23
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 12.76.72.0/24 | 256 | AT&T Enterprises, LLC | AS7018 | US |
| 12.76.73.0/24 | 256 | AT&T Enterprises, LLC | AS7018 | US |
| 12.76.73.0/25 | 128 | AT&T Enterprises, LLC | AS7018 | US |
| 12.76.73.128/25 | 128 | AT&T Enterprises, LLC | AS7018 | US |
Geolocation
First 256 of 512 IP addresses in 12.76.72.0/23
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 12.76.0.0/14.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 12.76.72.0/23?
12.76.72.0/23 is a CIDR network block containing 512 IPv4 addresses (from 12.76.72.0 to 12.76.73.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 12.76.72.0/23 network?
The 12.76.72.0/23 range is allocated to AT&T Enterprises, LLC and announced via AS7018 from United States.