// ASN

AS1221

ASN-TELSTRA Telstra Limited, AU

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN: AS1221
Organization: Telstra Limited
Description: ASN-TELSTRA Telstra Limited, AU
Country: AU
Registry (RIR): APNIC
Created: 2017-09-08
Updated: 2024-05-03
IPv4 Prefixes: 283
IPv6 Prefixes: 2

IPv4 Prefixes

283 total · showing first 10

1.120.0.0/13
1.128.0.0/11
101.103.0.0/16
101.160.0.0/11
103.136.214.0/24
103.136.215.0/24
103.149.43.0/24
103.150.144.0/24
103.150.145.0/24
103.195.64.0/24

IPv6 Prefixes

2 total

2001:8000::/20
2401:a480::/48

What is AS1221?

AS1221 is an Autonomous System Number (ASN) assigned to Telstra Limited. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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