AS18045 — SINOPAC SinoPac Holdings Corporate Network

AS18045 announces 7 IPv4 prefixes covering 3,072 addresses and 0 IPv6 prefixes.

About this network

SINOPAC is the autonomous system for SinoPac Holdings, a major Taiwanese conglomerate.

What it's used for

• The address space is dedicated to the corporate network, with all seven prefixes registered under the netname SINOPAC-NET.
• The AS announces 3072 IPv4 addresses across 7 prefixes, while maintaining 0 observed routing neighbours, indicating a closed internal estate rather than a transit or access provider.

Notable

• All registrants in the inventory are IRT-SINOPAC-TW, which aligns perfectly with the announcer identity.
• The inventory consists of a contiguous block within the 211.76.144.0/20 range, subdivided into /22, /23, and /24 prefixes for internal segmentation.

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

Announced prefixes

• 211.76.144.0/24
• 211.76.146.0/23
• 211.76.148.0/24
• 211.76.150.0/23
• 211.76.152.0/24
• 211.76.155.0/24
• 211.76.156.0/22

Upstream networks

• AS3462 Data Communication Business Group
• AS9924 Taiwan Fixed Network, Telco and Network Service Provider.

Adjacent networks

• AS3462 Data Communication Business Group
• AS9924 Taiwan Fixed Network, Telco and Network Service Provider.