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	Prefix	Description

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4657	StarHub Ltd	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4657	StarHub Ltd	✔	✘

aut-num:        AS135002
as-name:        SGX-AS-AP
descr:          Singapore Exchange Limited
country:        SG
org:            ORG-SEL1-AP
admin-c:        SELA3-AP
tech-c:         SELA3-AP
abuse-c:        AS2438-APAS2438-AP
mnt-lower:      MAINT-SGX-SG
mnt-routes:     MAINT-SGX-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-SGX-SG
last-modified:  2020-07-02T01:49:29Z
source:         APNIC


organisation:   ORG-SEL1-AP
org-name:       Singapore Exchange Limited
org-type:       LIR
country:        SG
address:        2 Shenton Way
address:        # 02-02 SGX Centre 1
phone:          +6562368888
fax-no:         +6565356994
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:47Z
source:         APNIC

Last Update: 2025-12-25T03:22:15Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-telstra-testing-1	11766
RADB	as-kddcustomer2	8206
RADB	as3491:as-customers-ap	68989
APNIC	as-sh-cust	7002
RADB	as-prole	1197
RADB	as7473:as-customers:as3758	299
RADB	as-itxbr1	6446