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	Prefix	Description
	103.190.128.0/24	Check Technology Group Pty Ltd t/a Check Networks
	103.190.129.0/24	Check Technology Group Pty Ltd t/a Check Networks
	151.242.108.0/24	Check Networks
	2400:9060::/32	Check Technology Group Pty Ltd t/a Check Networks

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS137409	GSL Networks Pty LTD	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS137409	GSL Networks Pty LTD	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS4826	Vocus Connect International Backbone	✔	✔
	AS8075	Microsoft Corporation	✔	✔
	AS16509	Amazon.com, Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS45177	Devoli	✔	✔
	AS136557	Host Universal Pty Ltd	✔	✔
	AS45763	Opticomm Co Pty Ltd	✔	✘
	AS24516	Virtutel Pty Ltd	✔	✔
	AS9280	Servers Australia Pty Ltd	✔	✔
	AS54113	Fastly, Inc.	✔	✔
	AS7594	On Q	✔	✔
	AS134090	Leaptel	✔	✔
	AS45780	Broadband Solutions Pty Ltd	✔	✘
	AS58507	Wireline	✔	✔
	AS134697	Launtel	✔	✔
	AS9313	Network Technology (AUST) P/L	✔	✘
	AS4608	Asia Pacific Network Information Centre	✔	✔
	AS4764	Aussie Broadband	✔	✔
	AS135027	Virtualplatform Pty Ltd	✔	✘
	AS139077	FREEDOM INTERNET HOLDINGS PTY LTD	✔	✔
	AS58868	TechPath Pty Ltd	✔	✘
	AS136784	Valve Networks Pty Ltd	✔	✘
	AS149647	Move Up Internet Pty Ltd	✔	✔
	AS136972	Gigafy	✔	✘
	AS112	AS112 Project	✔	✔
	AS151660	Neptune Internet	✔	✔
	AS153547	Tiger Technology Solutions	✔	✔
	AS147061	YesIT Group Pty Ltd	✔	✔
	AS56087	URL Networks	✔	✘
	AS30081	CacheFly	✔	✘
	AS38887	NAB Investment Holdings Pty Ltd	✔	✘
	AS24305	EdgeIX Pty Ltd	✘	✔

aut-num:        AS150004
as-name:        CTGPL-AS-AP
descr:          Check Networks
country:        AU
org:            ORG-CN12-AP
admin-c:        CTGP1-AP
tech-c:         CTGP1-AP
abuse-c:        AC2597-AP
mnt-lower:      MAINT-CTGPL-AU
mnt-routes:     MAINT-CTGPL-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTGPL-AU
last-modified:  2022-07-04T00:32:55Z
source:         APNIC


organisation:   ORG-CN12-AP
org-name:       Check Networks
org-type:       LIR
country:        AU
address:        58-62 Water Street
address:        Suite 126
phone:          +61735222810
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:55Z
source:         APNIC

Last Update: 2025-12-25T03:22:23Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as137409:as-mercury	5231
RADB	as-telstra-testing-1	11766
APNIC	as150004:as-checknet	1
RADB	as-kddcustomer2	8206
APNIC	as-zettagrid-cust	22
RADB	as-telstra-intl-customers	11860
RADB	as-optus	22113
RADB	as7545:as-tpgn-customers	1647