ASN Lookup Tool
AS1221 Telstra Corporation Limited

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Details

ASN
AS1221
Organisation
Telstra Corporation Limited
AS Name
ASN-TELSTRA
IPv4 Addresses Announced
13,532,416
IPv4 Prefixes Announced
408
Bogon Prefixes Announced
0
IPv4 Space Rank
#34 out of 74,593
Registry
APNIC
Registered Country
AU flag AU
Registration Date
Registration Change
2020-12-07

Receiving From

ASN
Organisation
ASN
Organisation
US flag Level 3 Parent LLC
ASN
Organisation
AU flag Australian Academic and Research Network
ASN
Organisation
AU flag AAPT Limited
ASN
Organisation
AU flag SingTel Optus Pty Ltd
ASN
Organisation
JP flag Telstra International Limited
ASN
Organisation
AU flag VOCUS PTY LTD
ASN
Organisation
AU flag Over the Wire Pty Ltd
ASN
Organisation
US flag NetActuate Inc
ASN
Organisation
AU flag Micron21 Datacentre Pty Ltd
ASN
Organisation
AU flag Virtutel Pty Ltd
Showing 10 of 23 Results View More >

Transit To

ASN
Organisation
ASN
Organisation
RU flag PJSC Rostelecom
ASN
Organisation
NL flag Akamai International B.V.
ASN
Organisation
CN flag Shenzhen Tencent Computer Systems Company Limited
ASN
Organisation
US flag Cloudflare Inc.
ASN
Organisation
US flag The Constant Company LLC
ASN
Organisation
AU flag SingTel Optus Pty Ltd
ASN
Organisation
IN flag Vodafone Idea Ltd. VIL
ASN
Organisation
NL flag Akamai International B.V.
ASN
Organisation
US flag Akamai Technologies Inc.
ASN
Organisation
LU flag GCore Labs S.A.
Showing 10 of 363 Results View More >

Active Prefixes

Showing 10 of 408 Results View More >