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ASN Lookup Tool
AS1851 ADELAIDE-UNIVERSITY-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1851
Organisation
Adelaide University
Name
ADELAIDE-UNIVERSITY-AS-AP
Total IPv4 Addresses
134,656
Total IPv4 Prefixes
23
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
1
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,510 out of 79,336
Registry
Apnic
Registered Country
AU flagAU
Registered Country Name
Australia
Registered Date
Registration Last Change
2025-11-19
Receiving From
ASN
Organisation
AS7575
AU flagAustralian Academic and Research Network
AS7474
AU flagSingTel Optus Pty Ltd
IPv4 Active Prefixes
PrefixRange FromRange To
43.241.200.0/2243.241.200.043.241.203.255
45.121.132.0/2245.121.132.045.121.135.255
103.37.128.0/24103.37.128.0103.37.128.255
103.37.130.0/23103.37.130.0103.37.131.255
129.127.0.0/16129.127.0.0129.127.255.255
Showing 5 of 22
IPv6 Active Prefixes
PrefixRange FromRange To
2403:7900::/322403:7900::2403:7900:ffff:ffff:ffff:ffff:ffff:ffff