AS4581
Socket Holdings Corporation
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: KCIX, STLIX: Main
AS4581 — global IP footprint
Cities where AS4581 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS4581 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 |
|---|---|---|
| 199.187.161.0/24 | 16,049 | 2026-07-18 10:52:26 |
| 38.212.56.0/21 | 13,158 | 2026-07-18 10:52:01 |
| 174.34.45.0/24 | 12,893 | 2026-07-18 10:52:26 |
| 174.34.38.0/23 | 12,450 | 2026-07-18 10:52:59 |
| 38.212.24.0/22 | 12,251 | 2026-07-18 10:52:20 |
| 38.212.44.0/24 | 12,249 | 2026-07-18 10:52:20 |
| 38.212.50.0/23 | 11,590 | 2026-07-18 10:52:01 |
| 38.255.129.0/24 | 10,952 | 2026-07-18 10:52:01 |
| 154.36.220.0/24 | 10,849 | 2026-07-18 10:52:26 |
| 154.36.245.0/24 | 10,821 | 2026-07-18 10:52:26 |
| 154.36.193.0/24 | 10,821 | 2026-07-18 10:52:26 |
| 154.36.201.0/24 | 10,814 | 2026-07-18 10:52:26 |
| 216.106.77.0/24 | 10,757 | 2026-07-18 10:52:26 |
| 38.212.52.0/22 | 10,716 | 2026-07-18 10:52:20 |
| 216.106.39.0/24 | 10,713 | 2026-07-18 10:52:26 |
| 216.106.51.0/24 | 10,706 | 2026-07-18 10:52:26 |
| 154.36.204.0/24 | 10,600 | 2026-07-18 10:53:00 |
| 154.36.236.0/23 | 10,575 | 2026-07-18 10:53:00 |
| 216.106.35.0/24 | 10,461 | 2026-07-18 10:53:00 |
| 174.34.22.0/23 | 9,394 | 2026-07-18 10:52:45 |
| 192.245.43.0/24 | 8,354 | 2026-07-18 10:53:00 |
| 192.245.42.0/24 | 8,058 | 2026-07-18 10:53:00 |
| 154.36.208.0/24 | 7,542 | 2026-07-18 10:53:00 |
| 38.212.0.0/18 | 5,475 | 2026-07-18 10:52:01 |
| 154.36.192.0/18 | 5,446 | 2026-07-18 10:52:26 |
| 64.85.192.0/19 | 5,424 | 2026-07-18 10:52:20 |
| 174.34.32.0/20 | 5,418 | 2026-07-18 10:52:54 |
| 174.34.0.0/19 | 5,416 | 2026-07-18 10:52:54 |
| 38.255.128.0/18 | 5,402 | 2026-07-18 10:52:01 |
| 216.106.64.0/19 | 5,396 | 2026-07-18 10:52:54 |
| 216.106.0.0/18 | 5,306 | 2026-07-18 10:52:54 |
| 74.118.14.0/24 | 5,254 | 2026-07-18 10:52:01 |
| 199.47.239.0/24 | 5,245 | 2026-07-18 10:52:45 |
| 199.47.238.0/24 | 5,236 | 2026-07-18 10:52:45 |
| 199.187.160.0/22 | 5,201 | 2026-07-18 10:52:26 |
| 199.242.192.0/24 | 4,635 | 2026-07-18 10:52:54 |
| 38.212.36.0/23 | 3,023 | 2026-07-18 10:52:01 |
Frequently Asked Questions
What is AS4581?
AS4581 is an Autonomous System Number assigned to Socket Holdings Corporation. 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 AS4581 announce?
AS4581 announces 96.3K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in United States.
Who operates AS4581?
AS4581 is operated by Socket Holdings Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS4581 registered in?
AS4581 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
