AS18413 — GBTC-TW Great Taipei Broadband Company Ltd.

AS18413 announces 2 IPv4 prefixes covering 8,192 addresses and 0 IPv6 prefixes.

About this network

GBTC-TW is operated by Great Taipei Broadband Company Ltd.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries such as h254.c203.GTBC.com.tw and h61-67-2-254.GTBC.com.tw, which follow a host-based naming convention typical of consumer access networks.
• The AS announces 8192 IPv4 addresses across 8 prefixes with only 3 observed neighbours, a ratio that indicates an access or eyeball network rather than a transit provider.

Notable

• Registrants for the majority of prefixes are listed as IRT-GTBC-TW with the netname GTBC-NET, which aligns directly with the AS holder name.
• The address inventory consists of a single /20 block and several smaller /22, /23, and /24 blocks within the 61.65.0.0/16 and 61.67.0.0/16 ranges, all located in Taiwan.
• No IPv6 prefixes are currently announced in the inventory.

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

Announced prefixes

• 61.65.192.0/20
• 61.67.0.0/20

Upstream networks

• AS9919 New Century InfoComm Tech Co., Ltd.
• AS9924 Taiwan Fixed Network, Telco and Network Service Provider.
• AS18046 DongFong Technology Co. Ltd.

Adjacent networks

• AS9919 New Century InfoComm Tech Co., Ltd.
• AS9924 Taiwan Fixed Network, Telco and Network Service Provider.
• AS18046 DongFong Technology Co. Ltd.