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	Prefix	Description
	192.190.204.0/24	imported inetnum object for DSO
	192.190.205.0/24	imported inetnum object for DSO
	192.231.169.0/24	imported inetnum object for DSO
	192.231.170.0/24	imported inetnum object for DSO

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4657	StarHub Ltd	✔	✘
	AS3758	SingNet	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4657	StarHub Ltd	✔	✘
	AS3758	SingNet	✔	✘

aut-num:        AS59326
as-name:        DEFENSCIENORGAN-AS
descr:          DSO National Laboratories
descr:          20 Science Park Drive,Singapore 0511
country:        SG
org:            ORG-DNL3-AP
admin-c:        AY198-AP
tech-c:         BT71-AP
abuse-c:        AD756-AP
mnt-lower:      MAINT-SG-DSO
mnt-routes:     MAINT-SG-DSO
mnt-by:         APNIC-HM
mnt-irt:        IRT-DEFENSCIENORGAN-NON-SG
last-modified:  2020-06-22T05:31:57Z
source:         APNIC


organisation:   ORG-DNL3-AP
org-name:       DSO National Laboratories
org-type:       LIR
country:        SG
address:        ********
phone:          ********
fax-no:         ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:59Z
source:         APNIC

Last Update: 2026-06-15T03:22:30Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-kddcustomer2	8206
RADB	as7473:as-customers:as3758	299
RADB	as-telstra-intl-customers	12432
APNIC	as-sh-cust	7184