AS150823 FAST SOFTWARE JOINT STOCK COMPANY

FAST-VN - FAST SOFTWARE JOINT STOCK COMPANY · registered in Vietnam

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Vietnam#427largest network in VN by IPv4 space, of 539 · <0.01% of VN

Rank worldwide#55,184of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryVietnam551 ASNs registered there

Open AS150823 in ASN lookup Look up an IP in this network (103.91.170.1) All networks in Vietnam

IPv4 prefixes

All 1 prefix, in address order.

103.91.170.0/23

Similar-sized networks in Vietnam

ASNNameIPv4 addresses

AS150814#424 TVAN-VN - VNIS JOINT STOCK COMPANY512

AS150819#425 ALGOGLOBAL-VN - ALGOGLOBAL COMPANY LIMITED512

AS150821#426 CTKYTHUATHD-VN - HD TECHNICAL INFRASTRUCTURE CONSTRUCTION COMPANY LIMITED512

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

AS150850#429 ZINVPS-VN - ZINVPS COMPANY LIMITED512

AS150854#430 DIGINEXT-VN - Diginext Group Joint Stock Company512

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