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	Prefix	Description
	103.77.174.0/23	HD TECHNICAL INFRASTRUCTURE CONSTRUCTION COMPANY LIMITED

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS38731	Viettel - CHT Company Ltd	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS38731	Viettel - CHT Company Ltd	✔	✘

aut-num:        AS150821
as-name:        CTKYTHUATHD-VN
descr:          HD TECHNICAL INFRASTRUCTURE CONSTRUCTION COMPANY LIMITED
descr:          No. 6A, alley 32/84/64 Do Duc Duc Street, Me Tri Ward, Nam Tu Liem District, Hanoi City, Vietnam
admin-c:        NTD20-AP
tech-c:         NTD20-AP
remarks:        send spam and abuse report to ********
country:        VN
mnt-by:         MAINT-VN-VNNIC
mnt-lower:      MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2023-01-30T09:45:34Z
source:         APNIC

Last Update: 2026-06-06T03:22:37Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-7552	517
RADB	as-kddcustomer2	8206