AS150821 HD TECHNICAL INFRASTRUCTURE CONSTRUCTION COMPANY LIMITED

CTKYTHUATHD-VN - HD TECHNICAL INFRASTRUCTURE CONSTRUCTION COMPANY LIMITED · registered in Vietnam

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Vietnam#426largest network in VN by IPv4 space, of 539 · <0.01% of VN

Rank worldwide#55,183of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryVietnam551 ASNs registered there

Open AS150821 in ASN lookup Look up an IP in this network (103.77.174.1) All networks in Vietnam

IPv4 prefixes

All 1 prefix, in address order.

103.77.174.0/23

Similar-sized networks in Vietnam

ASNNameIPv4 addresses

AS150344#423 VIFPT-VN - FPT Wallet Company Limited512

AS150814#424 TVAN-VN - VNIS JOINT STOCK COMPANY512

AS150819#425 ALGOGLOBAL-VN - ALGOGLOBAL COMPANY LIMITED512

AS150823#427 FAST-VN - FAST SOFTWARE JOINT STOCK COMPANY512

AS150836#428 EPAYJSCNET-VN - EPAY SERVICES JOINT STOCK COMPANY512

AS150850#429 ZINVPS-VN - ZINVPS COMPANY LIMITED512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources