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AS25820
IT7NET

AS25820 announces 409,344 IPv4 addresses across 103 routed ranges, registered in CA. Figures come from the public global routing table and are refreshed daily.

409K addressesIPv4 space announced
103Routed ranges
CARegistry country

Is AS25820 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 returns live tunnel and datacenter signals for any 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.

Sentinel 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

All 103 announced ranges.

Range startRange endAddresses
23.83.224.023.83.255.2558,192
23.105.192.023.105.223.2558,192
23.106.128.023.106.147.2555,120
23.106.152.023.106.159.2552,048
23.252.96.023.252.97.255512
23.252.101.023.252.101.255256
23.252.104.023.252.111.2552,048
43.243.84.043.243.87.2551,024
45.62.96.045.62.127.2558,192
45.78.0.045.78.79.25520,480
46.254.88.046.254.91.2551,024
64.64.224.064.64.255.2558,192
65.49.130.065.49.135.2551,536
65.49.145.065.49.145.255256
65.49.192.065.49.235.25511,264
66.98.112.066.98.127.2554,096
66.112.208.066.112.223.2554,096
67.209.176.067.209.191.2554,096
67.216.192.067.216.223.2558,192
67.218.128.067.218.159.2558,192
67.230.160.067.230.191.2558,192
68.168.128.068.168.143.2554,096
69.171.64.069.171.79.2554,096
69.194.8.069.194.15.2552,048
74.82.192.074.82.223.2558,192
74.118.192.074.118.195.2551,024
74.120.168.074.120.175.2552,048
74.121.148.074.121.151.2551,024
74.211.96.074.211.127.2558,192
80.251.208.080.251.223.2554,096
89.208.240.089.208.255.2554,096
93.179.96.093.179.103.2552,048
93.179.112.093.179.119.2552,048
93.179.124.093.179.127.2551,024
94.103.4.094.103.7.2551,024
95.163.192.095.163.207.2554,096
95.169.0.095.169.31.2558,192
95.181.188.095.181.191.2551,024
96.45.176.096.45.191.2554,096
97.64.16.097.64.47.2558,192
97.64.80.097.64.83.2551,024
97.64.104.097.64.111.2552,048
97.64.120.097.64.127.2552,048
98.142.128.098.142.135.2552,048
98.142.137.098.142.143.2551,792
104.36.64.0104.36.71.2552,048
104.36.184.0104.36.187.2551,024
104.128.80.0104.128.95.2554,096
104.129.180.0104.129.187.2552,048
104.153.96.0104.153.103.2552,048
104.160.32.0104.160.47.2554,096
104.193.8.0104.193.11.2551,024
104.194.64.0104.194.75.2553,072
104.194.77.0104.194.95.2554,864
104.224.128.0104.224.191.25516,384
104.225.144.0104.225.159.2554,096
104.225.232.0104.225.239.2552,048
104.243.16.0104.243.31.2554,096
104.244.88.0104.244.95.2552,048
104.245.40.0104.245.47.2552,048
104.245.96.0104.245.103.2552,048
104.245.188.0104.245.191.2551,024
107.182.16.0107.182.31.2554,096
107.182.176.0107.182.191.2554,096
138.128.192.0138.128.223.2558,192
142.0.32.0142.0.32.255256
142.0.40.0142.0.43.2551,024
144.34.128.0144.34.255.25532,768
144.168.56.0144.168.63.2552,048
150.242.88.0150.242.88.255256
150.242.90.0150.242.91.255512
162.211.220.0162.211.231.2553,072
162.219.120.0162.219.127.2552,048
162.244.240.0162.244.243.2551,024
162.248.72.0162.248.79.2552,048
172.93.32.0172.93.47.2554,096
172.96.16.0172.96.19.2551,024
172.96.192.0172.96.255.25516,384
173.242.112.0173.242.127.2554,096
174.137.48.0174.137.63.2554,096
176.122.128.0176.122.191.25516,384
178.157.48.0178.157.63.2554,096
184.170.208.0184.170.223.2554,096
185.180.16.0185.180.19.2551,024
185.199.240.0185.199.240.255256
185.199.242.0185.199.243.255512
185.205.180.0185.205.183.2551,024
185.212.56.0185.212.59.2551,024
185.239.68.0185.239.71.2551,024
192.69.88.0192.69.95.2552,048
192.243.112.0192.243.127.2554,096
198.35.44.0198.35.47.2551,024
198.181.32.0198.181.47.2554,096
198.181.56.0198.181.59.2551,024
199.19.104.0199.19.111.2552,048
199.115.228.0199.115.231.2551,024
199.168.136.0199.168.143.2552,048
199.180.112.0199.180.119.2552,048
199.193.124.0199.193.127.2551,024
204.124.180.0204.124.183.2551,024

Check a specific address

The AS tells you who announces a range. Whether one address inside it is currently a tunnel is a live question, answered per address — for example 23.83.224.0, the first address in this AS's announced space. The free lookup tool takes any address, and the IP intelligence hub explains what each signal means.

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