AS139266: the GTITCL-AS-AP Guangzhou Tiansui Information Technology Co., Ltd. network

AS139266 is an internet Autonomous System operated by GTITCL-AS-AP Guangzhou Tiansui Information Technology Co., Ltd. (China). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS139266?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS139266 was assigned to GTITCL-AS-AP Guangzhou Tiansui Information Technology Co., Ltd. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS139266 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in China. Services from GTITCL-AS-AP Guangzhou Tiansui Information Technology Co., Ltd. are reached through these addresses.

What it means to see AS139266 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS139266. That means the other end sits on the GTITCL-AS-AP Guangzhou Tiansui Information Technology Co., Ltd. network (China). It can be legitimate — a cloud service, an ISP, a CDN — or an unexpected connection worth checking.

How to see every connection and network your devices reach

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