HomeASN LookupAS40581

AS40581 AREON-AS - Arkansas Research and Education Optical Network

🇺🇸
ARINassigned
Announced Prefixes (BGP)
22total
16 IPv46 IPv6
IPv4 Addresses
Allocated (RIR)69,120
Announced (BGP)75,264
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
20
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
2008-02-05

Announced Prefixes

(BGP)22
|
Prefix
RPKI
IRR
Last Seen
23.144.148.0/24
 Valid
ARIN
2026-10-10
130.184.31.0/24
No ROA-2026-10-10
130.184.47.0/24
No ROA
Other IRR
2026-10-10
147.97.8.0/24
No ROA
Other IRR
2026-10-10
147.97.12.0/23
No ROA
Other IRR
2026-10-10
147.97.14.0/23
No ROA
Other IRR
2026-10-10
147.97.16.0/21
No ROA
Other IRR
2026-10-10
147.97.30.0/23
No ROA
Other IRR
2026-10-10
159.150.4.0/22
 Valid
ARINOther IRR
2026-10-10
161.31.0.0/16
No ROA
Other IRR
2026-10-10
1-10 of 22
1 / 3

Allocated Prefixes

(RIR)8
Prefix
Country
RIR
Status
23.144.148.0/24🇺🇸 USARINallocated
161.31.0.0/16🇺🇸 USARINallocated
192.112.26.0/24🇺🇸 USARINallocated
198.181.214.0/24🇺🇸 USARINallocated
198.181.240.0/24🇺🇸 USARINallocated
204.126.114.0/23🇺🇸 USARINallocated
208.90.104.0/21🇺🇸 USARINallocated
2607:f4f0::/32🇺🇸 USARINallocated

All 22 announced prefixes of AS40581 →

Downstream Customers(4)

ASNName
AS46743🇺🇸PHILANDER-SMITH-UNIVERSITY-AS - Philander Smith University
AS401459🇺🇸AS-UADA - Division of Agriculture of the University of Arkansas
AS402067🇺🇸NACC-46-AS - NorthWest Arkansas Community College
AS402460🇺🇸UAMS-SCIENCE-DMZ - University

BGP Neighbours

(seen in AS paths)

Upstreams (6)

Networks AS40581 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS174Cogent Communications12
  • AS11164Internet24
  • AS11537Internet23
  • AS6939Hurricane Electric2
  • AS19754The Fusion Network2
  • AS3257GTT BACKBONE GTT Communications1

Downstreams (25)

Networks whose own prefixes AS40581 passes on: usually its customers.

  • AS13809University Of Arkansas For Medical Sciences11
  • AS5090ARKANSAS TECH UNIVERSITY4
  • AS1603Henderson State University3
  • AS53450University Of Arkansas At Monticello3
  • AS401459Division Of Agriculture Of The University Of Arkansas3
  • AS10508University Of Arkansas2
  • AS14183University Of Arkansas At Little Rock2
  • AS17124SouthArk2
  • AS21939Phillips Community College Of The University Of Arkansas2
  • AS399999LYON COLLEGE2
  • AS401264University Of Arkansas Community College At Morrilton2
  • AS401965Southern Arkansas University2
  • AS402048Phillips Community College Of The University Of Arkansas2
  • AS402049Phillips Community College Of The University Of Arkansas2
  • AS402067NorthWest Arkansas Community College2
  • AS1826University Of Arkansas Fort Smith1
  • AS11132ARKANSAS SCHOOL FOR MATHEMATICS, SCIENCES & THE ARTS1
  • AS30408Arkansas State University1
  • AS32507LYON COLLEGE1
  • AS46743Philander Smith University1
  • AS53604University Of Arkansas At Pine Bluff1
  • AS401274Alice L. Walton School Of Medicine1
  • AS401995Arkansas Children'S Hospital1
  • AS401997Arkansas Northeastern College1
  • AS402460University1

Other adjacent networks (1)

Adjacent to AS40581 in the transit part of AS paths: peers, providers or customers.

  • AS53828NETWORK INNOVATIONS1
ASPA
No ASPA0 upstreams, 4 downstreams
Listed as Upstream Provider by
4 ASNs
View full ASPA details →
External Links
ARIN WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/40581

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/40581" | jq