AS131536: the SHGWBNNET Shanghai Great Wall Broadband Network Service Co., Ltd. network

AS131536 is an internet Autonomous System operated by SHGWBNNET Shanghai Great Wall Broadband Network Service 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 AS131536?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS131536 was assigned to SHGWBNNET Shanghai Great Wall Broadband Network Service Co., Ltd. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS131536 currently announces 10 IPv4 block(s), totaling about 4.1 thousand addresses (4,096 in all), registered in China. Services from SHGWBNNET Shanghai Great Wall Broadband Network Service Co., Ltd. are reached through these addresses.

What it means to see AS131536 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS131536. That means the other end sits on the SHGWBNNET Shanghai Great Wall Broadband Network Service 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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