AS56155 — TMASOLUTIONS-AS-VN - Tuong Minh Software Solutions Company Limited

AS56155 announces 2 IPv4 prefixes covering 2,048 addresses and 1 IPv6 prefixes.

About this network

TMASOLUTIONS-AS-VN is operated by Tuong Minh Software Solutions Company Limited.

What it's used for

• The address space carries corporate infrastructure, indicated by netnames TMA-VN and TMASOLUTIONS-VN registered to IRT-VNNIC-AP.
• The AS announces 2048 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with 3 observed neighbours, indicating a small-scale internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of office workers and web/API endpoints for a software outsourcing company established in 1997, which provides services to global clients.

Notable

• Registrants for both announced prefixes are IRT-VNNIC-AP, consistent with the announcer's identity.
• The address inventory is finely subdivided into two /22 blocks, typical of internal corporate segmentation for site-by-site management.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.108.136.0/22
• 103.199.4.0/22
• 2001:df4:2900::/48

Upstream networks

• AS24173 Netnam Company
• AS45899 VNPT Corp
• AS63731 TIEN PHAT TECHNOLOGY CORPORATION

Adjacent networks

• AS24173 Netnam Company
• AS45899 VNPT Corp
• AS63731 TIEN PHAT TECHNOLOGY CORPORATION

Routing security

• RPKI: 11 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 38 route objects.
• Listed in as-sets: AS-24176, AS-45899, AS-45899CUST, AS-45903, AS-45903, AS-C3, AS-HANOITELECOM, AS-HGC-INTL, AS-HURRICANE, AS-HURRICANEV6, AS-KDDCUSTOMER2, AS-TRANSIT-NETNAM, AS-ZENLAYER, AS131429:AS-GLOBAL, AS3491:AS-CUSTOMERS-AP, AS3491:AS-CUSTOMERS-NA, AS45896:AS-PPS, AS58453:AS-ASIAASCUST, AS58453:AS-ASIAASCUST, AS58453:AS-ASIATEST, AS63529:AS-63529-AS-IMPORT-AS23764.