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	Prefix	Description
	223.223.220.0/22	China Unicom (Singapore) Operations Pte Ltd

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS10099	China Unicom Global	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS10099	China Unicom Global	✔	✘

aut-num:        AS132281
as-name:        CHINAUNICOM-AS-AP
descr:          China Unicom (Singapore) Operations Pte Ltd
descr:          6 Temasek Boulevard,
descr:          # 22-06,Suntec Tower Four,Singapore 038986
country:        SG
org:            ORG-CUOP1-AP
admin-c:        CUSO1-AP
tech-c:         CUSO1-AP
abuse-c:        AC2292-AP
mnt-lower:      MAINT-CHINAUNICOM-SG
mnt-routes:     MAINT-CHINAUNICOM-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINAUNICOM-SG
last-modified:  2021-01-10T22:03:35Z
source:         APNIC


organisation:   ORG-CUOP1-AP
org-name:       China Unicom (Singapore) Operations Pte Ltd
org-type:       LIR
country:        SG
address:        ********
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:  2023-09-05T02:15:49Z
source:         APNIC

Last Update: 2026-06-11T03:22:44Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-10099	866
RADB	as-kddcustomer2	8206
RADB	as-kdd	1154
RADB	as-telstra-intl-customers	12409
RADB	as3491:as-customers-ap	71396
RADB	as-anc-customer-proxy-register	2403
RADB	as-kddi6	833
APNIC	as63529:as-63529-as-import-as10099	832
LEVEL3	as-starhub	673