ASN Lookup Tool
AS1221 ASN-TELSTRA

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1221
Organisation
Telstra Limited
Name
ASN-TELSTRA
Total IPv4 Addresses
13,392,628
Total IPv4 Prefixes
321
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#32 out of 77,666
Registry
Apnic
Registered Country
AU flag AU
Registered Country Name
Australia
Registered Date
Registration Last Change
2024-05-03
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
SG flagEquinix Asia Pacific Pte Ltd
JP flagSoftBank Mobile Corp. Tokyo Port City Takeshiba ..
US flagLevel 3 Parent, LLC
US flagGTT Communications Inc.
ID flagTelekomunikasi Indonesia (PT)
Showing 5 of 68
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
CN flagChen Xinyu
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
Showing 5 of 617
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From1.120.0.0
Range From1.128.0.0
Range From61.8.0.0
Range To61.8.31.255
Showing 5 of 321
IPv6 Active Prefixes
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.