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AS5432
PROXIMUS-ISP-AS

AS5432 announces 3,917,056 IPv4 addresses across 38 routed ranges, registered in BE. Figures come from the public global routing table and are refreshed daily.

3.9M addressesIPv4 space announced
38Routed ranges
BERegistry country

Is AS5432 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 38 announced ranges.

Range startRange endAddresses
23.61.4.023.61.7.2551,024
37.62.0.037.62.255.25565,536
37.184.0.037.185.255.255131,072
46.178.0.046.179.255.255131,072
62.4.128.062.4.255.25532,768
62.235.0.062.235.255.25565,536
80.200.0.080.201.255.255131,072
80.236.128.080.236.255.25532,768
81.11.128.081.11.255.25532,768
81.169.0.081.169.127.25532,768
81.240.0.081.247.255.255524,288
83.134.0.083.134.255.25565,536
87.64.0.087.67.255.255262,144
88.197.128.088.197.255.25532,768
91.176.0.091.183.255.255524,288
92.48.128.092.48.191.25516,384
109.128.0.0109.143.255.2551,048,576
178.144.0.0178.145.255.255131,072
188.5.0.0188.5.255.25565,536
193.74.0.0193.74.255.25565,536
193.75.128.0193.75.255.25532,768
193.91.96.0193.91.127.2558,192
193.121.0.0193.121.255.25565,536
194.78.0.0194.78.255.25565,536
194.119.224.0194.119.255.2558,192
195.0.0.0195.0.127.25532,768
195.13.0.0195.13.31.2558,192
195.74.192.0195.74.223.2558,192
195.95.0.0195.95.127.25532,768
195.207.0.0195.207.255.25565,536
195.238.0.0195.238.31.2558,192
212.233.0.0212.233.31.2558,192
212.239.128.0212.239.255.25532,768
213.49.0.0213.49.255.25565,536
213.137.157.0213.137.157.255256
213.177.128.0213.177.159.2558,192
213.181.32.0213.181.63.2558,192
217.136.0.0217.136.255.25565,536

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 23.61.4.0, 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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