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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
About Attachmate
Attachmate Corporation was an American private software company founded in December 1982 in Bellevue, Washington by Frank W. Pritt.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 140.236.116.0/22 | 1.0K |
0.0%
|
Attachmate Corp. | US | — | — |
| 143.186.108.0/22 | 1.0K |
0.0%
|
Attachmate Corp. | US | — | — |
| 143.186.112.0/22 | 1.0K |
0.0%
|
Attachmate Corp. | US | — | — |
| 149.82.52.0/22 | 1.0K |
0.0%
|
Attachmate Corp. | US | — | — |
| 149.82.80.0/22 | 1.0K |
0.0%
|
Attachmate Corp. | US | — | — |
| 140.236.118.0/23 | 512 |
0.0%
|
Attachmate Corp. | US | — | — |
| 143.186.120.0/23 | 512 |
1.0%
|
Attachmate Corp. | US | — | — |
| 140.236.116.0/24 | 256 |
0.0%
|
Attachmate Corp. | IN | — | — |
| 140.236.117.0/24 | 256 |
0.0%
|
Attachmate Corp. | US | — | — |
| 143.186.119.0/24 | 256 |
0.8%
|
Attachmate Corp. | US | — | — |
| 143.186.125.0/24 | 256 |
0.4%
|
Attachmate Corp. | US | — | — |
| 192.31.114.0/24 | 256 |
6.3%
|
Attachmate Corp. | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS254 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 |
|---|---|---|
| 143.186.108.0/24 | 88,872 | 2026-07-21 19:33:03 |
| 143.186.108.0/22 | 87,541 | 2026-07-21 19:33:03 |
| 149.82.80.0/22 | 83,791 | 2026-07-21 19:33:03 |
| 140.236.116.0/22 | 83,393 | 2026-07-21 19:32:37 |
| 149.82.52.0/22 | 83,258 | 2026-07-21 19:32:37 |
| 149.82.80.0/24 | 80,690 | 2026-07-21 19:32:36 |
| 192.31.114.0/24 | 70,542 | 2026-07-21 19:33:03 |
| 143.186.109.0/24 | 62,704 | 2026-07-21 19:33:03 |
| 149.82.81.0/24 | 52,613 | 2026-07-21 19:32:35 |
Frequently Asked Questions
What is AS254?
AS254 is an Autonomous System Number assigned to Attachmate Corp.. 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 AS254 announce?
AS254 announces 6.4K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.
Who operates AS254?
AS254 is operated by Attachmate Corp.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS254 registered in?
AS254 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
