AS45557 Vietnam Technology and Telecommunication JSC

VNTT-AS-VN - Vietnam Technology and Telecommunication JSC · registered in Vietnam

IPv4 addresses7,1687 prefixes · <0.001% of announced IPv4

Rank in Vietnam#42largest network in VN by IPv4 space, of 539 · 0.04% of VN

Rank worldwide#11,480of 79,396 networks with IPv4

IPv61,040 x /4811 prefixes

CountryVietnam551 ASNs registered there

Open AS45557 in ASN lookup Look up an IP in this network (45.118.136.1) All networks in Vietnam

IPv4 prefixes

All 7 prefixes, in address order.

45.118.136.0/22
103.17.88.0/22
103.129.80.0/22
103.153.218.0/23
103.153.220.0/22
103.170.248.0/23
180.148.0.0/21

IPv6 prefixes

All 11 prefixes.

2404:3a00::/44
2404:3a00:100::/46
2404:3a00:104::/47
2404:3a00:106::/47
2404:3a00:108::/45
2404:3a00:110::/44
2404:3a00:120::/43
2404:3a00:140::/42
2404:3a00:180::/41
2404:3a00:200::/39
2404:3a00:400::/40

Similar-sized networks in Vietnam

ASNNameIPv4 addresses

AS45894#39 FPTONLINE-AS-VN - FPT Online JSC7,424

AS38733#40 CMCTELECOM-VN - CMC Telecom Infrastructure Company7,168

AS55313#41 HANELCOM-AS-VN - Hanel Communication JSC7,168

AS150820#43 LIENVPS-VN - LIENVPS TECHNOLOGY COMPANY LIMITED6,656

AS131127#44 GTEL-VN - GLOBAL TECHNOLOGY - TELECOMMUNICATIONS CORPORATION6,400

AS131423#45 LVHN-AS-VN - Branch of Long Van System Solution JSC - Hanoi6,144

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