Autonomous System

AS50999 King Abdullah University of Science and Technology

EducationActiveSaudi ArabiaRIPE

AS50999 (KAUST-AS1) is an education network operated by King Abdullah University of Science and Technology in Saudi Arabia, registered with RIPE. It has 5 IPv4 prefixes with 66,048 addresses and 3 IPv6 prefixes, which makes it the 3,399th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses66,048in 5 prefixes
IPv6 prefixes3≈ 1.3 × 10³⁰ addresses
Size rank#3,399of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationKing Abdullah University of Science and Technology
AS nameKAUST-AS1
Websitekaust.edu.sa
Country Saudi Arabia (SA)
Network typeEducation
RegistryRIPE
Abuse contactabuse@kaust.edu.sa
Registered2010-05-12
Last updated2025-05-13

IPv4 prefixes

5 prefixes · 66,048 addresses
NetworkAddressesFirst – last address
109.171.128.0/1732,768109.171.128.0 – 109.171.255.255
109.171.128.0/1816,384109.171.128.0 – 109.171.191.255
109.171.192.0/1816,384109.171.192.0 – 109.171.255.255
109.171.131.0/24256109.171.131.0 – 109.171.131.255
109.171.134.0/24256109.171.134.0 – 109.171.134.255

IPv6 prefixes

3 prefixes
  • 2a05:3280::/29
  • 2a05:3280::/30
  • 2a05:3284::/30

Query AS50999 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS50999&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS50999, with or without a key:

curl "https://api.ipapi.is/?q=109.171.128.1"

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