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AS15600
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AS15600 announces 319,488 IPv4 addresses across 44 routed ranges, registered in CH. Figures come from the public global routing table and are refreshed daily.

319K addressesIPv4 space announced
44Routed ranges
CHRegistry country

Is AS15600 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 44 announced ranges.

Range startRange endAddresses
5.44.112.05.44.127.2554,096
5.144.0.05.144.31.2558,192
5.145.0.05.145.103.25526,624
5.149.16.05.149.63.25512,288
5.153.112.05.153.127.2554,096
5.153.240.05.153.247.2552,048
5.172.128.05.172.143.2554,096
31.193.208.031.193.215.2552,048
37.35.112.037.35.127.2554,096
46.255.168.046.255.175.2552,048
62.204.96.062.204.127.2558,192
65.18.128.065.18.191.25516,384
77.111.228.077.111.231.2551,024
77.239.32.077.239.63.2558,192
80.208.128.080.208.191.25516,384
83.97.80.083.97.87.2552,048
83.219.112.083.219.127.2554,096
84.241.64.084.241.127.25516,384
89.236.128.089.236.173.25511,776
89.236.174.089.236.191.2554,608
91.138.0.091.138.127.25532,768
94.16.128.094.16.255.25532,768
94.143.88.094.143.95.2552,048
95.174.224.095.174.255.2558,192
109.106.44.0109.106.63.2555,120
138.248.48.0138.248.63.2554,096
139.178.0.0139.178.63.25516,384
145.40.224.0145.40.255.2558,192
185.33.224.0185.33.227.2551,024
185.40.216.0185.40.219.2551,024
185.73.120.0185.73.123.2551,024
185.74.108.0185.74.163.25514,336
185.90.108.0185.90.111.2551,024
185.92.64.0185.92.67.2551,024
185.148.124.0185.148.127.2551,024
185.163.92.0185.163.95.2551,024
185.167.8.0185.167.11.2551,024
185.206.244.0185.206.247.2551,024
193.8.166.0193.8.166.255256
193.25.102.0193.25.103.255512
193.163.186.0193.163.186.255256
194.153.176.0194.153.183.2552,048
212.60.32.0212.60.63.2558,192
213.221.192.0213.221.255.25516,384

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 5.44.112.0, 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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