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AS56041
CMNET-ZHEJIANG-AP China Mobile communications corporation

AS56041 announces 2,990,592 IPv4 addresses across 343 routed ranges, registered in CN. Figures come from the public global routing table and are refreshed daily.

3M addressesIPv4 space announced
343Routed ranges
CNRegistry country

Is AS56041 datacenter space?

Not according to the nine cloud and CDN providers whose published range lists we track. That is a statement about those specific lists, not proof the space is residential — plenty of hosting companies never publish machine-readable ranges, and this AS may well be one of them.

The reliable way to classify a specific address is to check it directly rather than to infer from the AS. The free lookup tool checks any address against the Tor exit list and the published cloud-provider ranges. VPN and proxy verdicts need a live visit: they come from a /v1/evaluate call with the browser token, not from a bare address.

What an AS number does and does not tell you

An autonomous system number identifies who announces a block of addresses to the internet's routing table. It is an organisational fact, and a durable one — useful for attributing traffic to a hosting company, a carrier, or a university.

It is not a risk signal. A residential ISP's AS carries the household traffic of millions of ordinary customers and, at the same time, whatever residential proxy exits have been installed on those customers' devices. A hosting AS carries scrapers and legitimate server-to-server integrations in the same ranges. Scoring an address on the reputation of its AS produces exactly the false positives that make fraud tooling untrustworthy.

Maskbreak does not feed AS names or routing data into its risk score. Tunnel detection comes from live network intelligence, and the dch signal comes from provider-published ranges. This directory exists to answer "who announces this address," which is a different and genuinely useful question.

Announced IPv4 ranges

First 100 of 343 ranges.

Range startRange endAddresses
36.133.84.036.133.95.2553,072
36.134.0.036.134.15.2554,096
36.134.48.036.134.63.2554,096
36.134.94.036.134.94.255256
36.134.102.036.134.103.255512
36.134.182.036.134.187.2551,536
36.134.198.036.134.199.255512
36.137.66.036.137.71.2551,536
36.137.114.036.137.117.2551,024
36.137.184.036.137.189.2551,536
36.137.212.036.137.213.255512
36.137.232.036.137.237.2551,536
36.138.96.036.138.106.2552,816
36.138.108.036.138.109.255512
36.138.111.036.138.111.255256
36.138.130.036.138.135.2551,536
36.138.220.036.138.227.2552,048
36.138.245.036.138.247.255768
36.139.56.036.139.63.2552,048
36.139.88.036.139.95.2552,048
36.140.24.036.140.31.2552,048
36.140.96.036.140.103.2552,048
36.140.116.036.140.119.2551,024
36.140.128.036.140.135.2552,048
36.212.195.036.212.195.255256
36.212.244.036.212.255.2553,072
36.213.56.036.213.63.2552,048
39.134.176.039.134.178.255768
39.134.179.039.134.180.255512
39.134.181.039.134.186.2551,536
39.135.97.039.135.102.2551,536
39.136.3.039.136.6.2551,024
39.136.156.039.136.157.255512
39.136.158.039.136.160.255768
39.136.161.039.136.161.255256
39.137.94.039.137.94.255256
39.137.112.039.137.119.2552,048
39.137.237.039.137.242.2551,536
39.144.121.039.144.126.2551,536
39.144.127.039.144.130.2551,024
39.170.0.039.170.5.2551,536
39.170.6.039.170.22.2554,352
39.170.23.039.170.43.2555,376
39.170.44.039.170.47.2551,024
39.170.48.039.170.62.2553,840
39.170.63.039.170.74.2553,072
39.170.75.039.170.87.2553,328
39.170.88.039.170.99.2553,072
39.170.100.039.170.110.2552,816
39.170.111.039.170.114.2551,024
39.170.115.039.170.118.2551,024
39.170.119.039.170.121.255768
39.170.122.039.170.125.2551,024
39.170.126.039.171.32.25541,728
39.171.33.039.171.35.255768
39.171.36.039.171.70.2558,960
39.171.71.039.171.252.25546,592
39.171.253.039.172.20.2556,144
39.172.21.039.172.57.2559,472
39.172.58.039.172.69.2553,072
39.172.70.039.172.88.2554,864
39.172.89.039.172.96.2552,048
39.172.97.039.172.105.2552,304
39.172.106.039.172.109.2551,024
39.172.110.039.172.113.2551,024
39.172.114.039.172.117.2551,024
39.172.118.039.172.119.255512
39.172.120.039.172.216.25524,832
39.172.217.039.173.77.25529,952
39.173.78.039.173.86.2552,304
39.173.87.039.173.140.25513,824
39.173.141.039.174.68.25547,104
39.174.69.039.174.70.255512
39.174.71.039.174.92.2555,632
39.174.93.039.174.107.2553,840
39.174.108.039.174.164.25514,592
39.174.165.039.174.170.2551,536
39.174.171.039.174.174.2551,024
39.174.175.039.174.203.2557,424
39.174.204.039.174.205.255512
39.174.206.039.174.209.2551,024
39.174.210.039.174.227.2554,608
39.174.228.039.174.241.2553,584
39.174.242.039.174.249.2552,048
39.174.250.039.175.48.25514,080
39.175.49.039.175.73.2556,400
39.175.74.039.175.87.2553,584
39.175.88.039.175.246.25540,704
39.175.247.039.175.251.2551,280
39.175.252.039.175.255.2551,024
39.180.0.039.183.52.255210,176
39.183.53.039.183.166.25529,184
39.183.167.039.183.179.2553,328
39.183.180.039.184.128.25552,480
39.184.129.039.184.130.255512
39.184.131.039.184.141.2552,816
39.184.142.039.184.143.255512
39.184.144.039.184.150.2551,792
39.184.151.039.184.160.2552,560
39.184.161.039.184.174.2553,584

Check a specific address

The AS tells you who announces a range. An address check answers whether one address inside it is a Tor exit or sits in a published cloud range — for example 36.133.84.0, the first address in this AS's announced space; whether a visitor is on a VPN or proxy needs a live visit. The free lookup tool takes any address, and the IP intelligence hub explains what each signal means.

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