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
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 76.72.0.0/17 | 32.8K |
87.5%
|
LUS Fiber | US | Louisiana | Lafayette |
| 74.80.0.0/18 | 16.4K |
80.2%
|
LUS Fiber | US | Louisiana | Lafayette |
| 69.1.176.0/20 | 4.1K |
18.4%
|
LUS Fiber | US | Louisiana | Lafayette |
| 12.166.216.0/21 | 2.0K |
0.0%
|
LUS Fiber | US | Louisiana | Lafayette |
| 69.1.168.0/21 | 2.0K |
0.0%
|
LUS Fiber | US | — | — |
| 12.166.208.0/22 | 1.0K |
1.6%
|
LUS Fiber | US | Louisiana | Lafayette |
| 12.166.220.0/22 | 1.0K |
0.0%
|
LUS Fiber | US | — | — |
| 69.1.160.0/22 | 1.0K |
2.0%
|
LUS Fiber | US | — | — |
| 12.166.218.0/23 | 512 |
0.0%
|
LUS Fiber | US | — | — |
| 69.1.166.0/23 | 512 |
3.5%
|
LUS Fiber | US | — | — |
| 12.152.107.0/24 | 256 |
0.0%
|
LUS Fiber | US | — | — |
| 12.152.126.0/24 | 256 |
0.0%
|
LUS Fiber | US | Florida | Pensacola |
| 65.125.93.0/24 | 256 |
0.0%
|
LUS Fiber | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS25921 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 12.166.208.0/24 | 39,054 | 2026-09-14 18:13:44 |
| 76.72.82.0/23 | 32,596 | 2026-09-14 18:13:44 |
| 76.72.80.0/23 | 32,580 | 2026-09-14 18:13:44 |
| 74.80.16.0/21 | 31,972 | 2026-09-14 18:13:44 |
| 69.1.168.0/21 | 31,660 | 2026-09-14 18:13:44 |
| 74.80.0.0/21 | 31,620 | 2026-09-14 18:13:44 |
| 76.72.0.0/17 | 31,614 | 2026-09-14 18:13:44 |
| 74.80.0.0/18 | 31,553 | 2026-09-14 18:13:44 |
| 76.72.96.0/21 | 31,550 | 2026-09-14 18:13:44 |
| 76.72.88.0/21 | 31,544 | 2026-09-14 18:13:44 |
| 76.72.126.0/23 | 31,541 | 2026-09-14 18:13:44 |
| 74.80.24.0/21 | 31,336 | 2026-09-14 18:06:07 |
| 74.80.48.0/21 | 31,240 | 2026-09-14 18:06:07 |
| 76.72.40.0/21 | 31,152 | 2026-09-14 18:06:07 |
| 74.80.32.0/21 | 30,883 | 2026-09-14 18:13:44 |
| 76.72.48.0/21 | 30,158 | 2026-09-14 18:13:44 |
| 74.80.40.0/21 | 30,151 | 2026-09-14 18:13:44 |
| 69.1.184.0/21 | 29,916 | 2026-09-14 18:13:44 |
| 76.72.8.0/21 | 29,653 | 2026-09-14 18:13:44 |
| 12.166.209.0/24 | 16,439 | 2026-09-14 18:13:44 |
| 76.72.32.0/21 | 16,436 | 2026-09-14 18:13:44 |
| 12.166.223.0/24 | 16,426 | 2026-09-14 18:13:44 |
| 12.166.211.0/24 | 16,420 | 2026-09-14 18:13:44 |
| 12.166.208.0/22 | 16,041 | 2026-09-14 18:13:44 |
| 12.166.216.0/21 | 16,039 | 2026-09-14 18:13:44 |
| 12.152.126.0/24 | 16,037 | 2026-09-14 18:13:44 |
| 12.152.107.0/24 | 16,028 | 2026-09-14 18:13:44 |
| 65.125.93.0/24 | 15,845 | 2026-09-14 18:13:44 |
| 69.1.176.0/21 | 15,811 | 2026-09-14 18:13:44 |
| 69.1.160.0/21 | 15,808 | 2026-09-14 18:13:44 |
| 76.72.24.0/21 | 14,130 | 2026-09-14 18:01:23 |
| 76.72.64.0/21 | 12,960 | 2026-09-14 18:01:23 |
| 76.72.0.0/21 | 12,937 | 2026-09-14 18:01:23 |
| 74.80.56.0/21 | 12,920 | 2026-09-14 18:01:23 |
| 74.80.8.0/21 | 12,900 | 2026-09-14 18:01:23 |
| 76.72.56.0/21 | 12,378 | 2026-09-14 18:01:23 |
| 76.72.72.0/21 | 12,103 | 2026-09-14 18:01:23 |
| 76.72.16.0/21 | 10,692 | 2026-09-14 18:01:23 |
Frequently Asked Questions
What is AS25921?
AS25921 is an Autonomous System Number assigned to LUS Fiber. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS25921 announce?
AS25921 announces 60.7K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.
Who operates AS25921?
AS25921 is operated by LUS Fiber. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS25921 registered in?
AS25921 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
