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API Packages
IP Geolocation
Reverse Geocoding
Phone & Email Verification
Network Engineering
Free API
Tools
What is my IP?
IP Lookup
ASN Lookup
Network Lookup
Insights
Daily IP Geolocation Accuracy Report
ASN Rank by IPv4 space
Tor Exit Nodes
Bogon Routes
IPv4 Address Space Report
IPv6 Address Space Report
Resources
Getting Started
Support Articles
Blog
Sign In
Sign Up
Transit To (Downstream Peers)
AS1221 ASN-TELSTRA
Telstra Limited
Page 5
Powered By:
ASN Extended Transit To Info API
Home
Asn Lookup
As1221
Transit To
TRANSIT TO ASN LIST
JSON VIEW
ASN
Name
Organisation
Registry
AS21859
ZEN-ECN
Zenlayer Inc
Arin
AS4206005000
Private Use AS
AS64530
Private Use AS
AS7474
OPTUSCOM-AS01-AU
SingTel Optus Pty Ltd
Apnic
AS135887
TELSTRA-BELONG-AP
Telstra Limited
Apnic
AS32934
FACEBOOK
Facebook, Inc.
Arin
AS65530
Private Use AS
AS65127
Private Use AS
AS4206745000
Private Use AS
AS64515
Private Use AS
AS65260
Private Use AS
AS54113
FASTLY
Fastly, Inc.
Arin
AS65001
Private Use AS
AS13445
WEBEX
Cisco Webex LLC
Arin
AS65251
Private Use AS
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