Autonomous System
AS1851 Adelaide University
EducationActiveAustraliaAPNIC
AS1851 (ADELAIDE-UNIVERSITY-AS-AP) is an education network operated by Adelaide University in Australia, registered with APNIC. It has 10 IPv4 prefixes with 135,424 addresses and 1 IPv6 prefix, which makes it the 1,754th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses135,424in 10 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,754of 82,200 active ASNs
Details
OrganizationAdelaide University
AS nameADELAIDE-UNIVERSITY-AS-AP
Websiteadelaide.edu.au
Country Australia (AU)
Network typeEducation
RegistryAPNIC
Abuse contactnoc@adelaide.edu.au
Registered—
Last updated2025-11-19
IPv4 prefixes
10 prefixes · 135,424 addresses| Network | Addresses | First – last address |
|---|---|---|
| 129.127.0.0/16 | 65,536 | 129.127.0.0 – 129.127.255.255 |
| 130.220.0.0/16 | 65,536 | 130.220.0.0 – 130.220.255.255 |
| 43.241.200.0/22 | 1,024 | 43.241.200.0 – 43.241.203.255 |
| 45.121.132.0/22 | 1,024 | 45.121.132.0 – 45.121.135.255 |
| 103.37.128.0/22 | 1,024 | 103.37.128.0 – 103.37.131.255 |
| 192.43.227.0/24 | 256 | 192.43.227.0 – 192.43.227.255 |
| 192.43.228.0/24 | 256 | 192.43.228.0 – 192.43.228.255 |
| 192.160.71.0/24 | 256 | 192.160.71.0 – 192.160.71.255 |
| 203.9.156.0/24 | 256 | 203.9.156.0 – 203.9.156.255 |
| 203.26.136.0/24 | 256 | 203.26.136.0 – 203.26.136.255 |
129.127.0.0/16 130.220.0.0/16 43.241.200.0/22 45.121.132.0/22 103.37.128.0/22 192.43.227.0/24 192.43.228.0/24 192.160.71.0/24 203.9.156.0/24 203.26.136.0/24
IPv6 prefixes
1 prefix- 2403:7900::/32
2403:7900::/32
Query AS1851 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=AS1851&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1851, with or without a key:
curl "https://api.ipapi.is/?q=129.127.0.1"Largest networks in Australia
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