$ query “AS4581” --type=asn → 1 result(s)

AS4581 · SOCKET

Socket Holdings Corporation

AS4581 belongs to Socket Holdings Corporation and is a mid-size transit provider, registered in the United States since 1995. The system announces a respectable 96 768 IPv4 addresses. Its primary geographic footprint is in the United States. This AS's prefix announcements have been recently modified. No IPv6 support — it's 2026, just saying.

  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 01, 1995
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
35 / 13
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
96 768
Largest IPv4 Prefix
/18 (16 384 addresses)
Geolocated Countries
🇺🇸 United States (130 496 IPs)
Prefix Changed
April 30, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 96 768 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Downstream Customers
15 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
20 unique BGP neighbors
Reach
16 networks in customer cone

Upstream Providers (4)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3549 — LVLT-3549

Prefix Lists

IPv4 Prefixes (35 total)

  • 38.212.0.0/18 (16 384 addresses (/18 prefix))
  • 38.255.128.0/18 (16 384 addresses (/18 prefix))
  • 154.36.192.0/18 (16 384 addresses (/18 prefix))
  • 216.106.0.0/18 (16 384 addresses (/18 prefix))
  • 64.85.192.0/19 (8 192 addresses (/19 prefix))
  • 216.106.64.0/19 (8 192 addresses (/19 prefix))
  • 174.34.0.0/19 (8 192 addresses (/19 prefix))
  • 174.34.32.0/20 (4 096 addresses (/20 prefix))
  • 199.187.160.0/22 (1 024 addresses (/22 prefix))
  • 199.47.238.0/23 (512 addresses (/23 prefix))
  • 192.245.42.0/23 (512 addresses (/23 prefix))
  • 199.242.192.0/24 (256 addresses (/24 prefix))
  • 74.118.14.0/24 (256 addresses (/24 prefix))