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	Prefix	Description
	103.124.128.0/24	Northern Trust APC-Net
	103.124.128.0/23	Northern Trust APC-Net
	103.124.129.0/24	Northern Trust APC-Net

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Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy practical_panini Policy sleepy_chebyshev

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3758	SingNet	✔	✘
	AS138948	NORTHERN TRUST CORPORATION	✔	✘
	AS4657	StarHub Ltd	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3758	SingNet	✔	✘
	AS4657	StarHub Ltd	✔	✘
	AS138948	NORTHERN TRUST CORPORATION	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS138948	NORTHERN TRUST CORPORATION	✔	✘

aut-num:        AS138947
as-name:        
descr:          NORTHERN TRUST CORPORATION
country:        US
org:            ORG-TNTC1-AP
admin-c:        NTC8-AP
tech-c:         NTC8-AP
abuse-c:        AN865-AP
mnt-lower:      MAINT-NTC-AP
mnt-routes:     MAINT-NTC-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-NTC-AP
last-modified:  2020-07-07T13:11:27Z
source:         APNIC


organisation:   ORG-TNTC1-AP
org-name:       NORTHERN TRUST CORPORATION
org-type:       LIR
country:        US
address:        ********
address:        ********
address:        ********
phone:          ********
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:38Z
source:         APNIC

Last Update: 2026-02-17T03:22:29Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as-sh-cust	6996
RADB	as-telstra-testing-1	11790
RADB	as-telstra-intl-customers	12016
RADB	as7473:as-customers:as3758	299