$ query “AS40581” --type=asn → 1 result(s)

AS40581 · AREON-AS

Arkansas Research and Education Optical Network

AS40581 belongs to Arkansas Research and Education Optical Network and is a mid-size transit provider, based in the United States since 2008. The system announces a respectable 73 728 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in the United States. This AS's prefix announcements have been recently modified.

Basic Information

Country
🇺🇸 United States
Category
Education/Research
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 05, 2008
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
16 / 12
IPv6 Prefixes (raw / aggregated)
8 / 1
IPv4 Addresses
73 728
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (141 824 IPs)
Prefix Changed
April 27, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
3 networks exchanging traffic without transit
Downstream Customers
21 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
31 unique BGP neighbors
Reach
22 networks in customer cone

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS11164 — INTERNET2-I2PX
  • AS11537 — INTERNET2-RESEARCH-EDU

Prefix Lists

IPv4 Prefixes (16 total)

  • 161.31.0.0/16 (65 536 addresses (/16 prefix))
  • 147.97.16.0/21 (2 048 addresses (/21 prefix))
  • 208.90.104.0/21 (2 048 addresses (/21 prefix))
  • 147.97.12.0/22 (1 024 addresses (/22 prefix))
  • 159.150.4.0/22 (1 024 addresses (/22 prefix))
  • 147.97.30.0/23 (512 addresses (/23 prefix))
  • 23.144.148.0/24 (256 addresses (/24 prefix))
  • 130.184.31.0/24 (256 addresses (/24 prefix))
  • 130.184.47.0/24 (256 addresses (/24 prefix))
  • 147.97.8.0/24 (256 addresses (/24 prefix))
  • 198.181.214.0/24 (256 addresses (/24 prefix))
  • 198.181.240.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (8 total)

  • 2607:f4f0::/32