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AS47377
ORANGE_BELGIUM_SA New company name is Orange Belgium SA

AS47377 announces 898,048 IPv4 addresses across 43 routed ranges, registered in BE. Figures come from the public global routing table and are refreshed daily.

898K addressesIPv4 space announced
43Routed ranges
BERegistry country

Is AS47377 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 43 announced ranges.

Range startRange endAddresses
31.57.205.031.57.205.255256
31.57.220.031.57.220.255256
31.57.223.031.57.223.255256
31.57.237.031.57.237.255256
31.57.239.031.57.239.255256
45.150.118.045.150.119.255512
62.88.0.062.88.87.25522,528
62.88.88.062.88.127.25510,240
82.21.5.082.21.5.255256
83.171.247.083.171.247.255256
85.10.64.085.10.127.25516,384
85.94.225.085.94.231.2551,792
85.94.232.085.94.255.2556,144
91.86.0.091.87.255.255131,072
94.104.0.094.104.17.2554,608
94.104.18.094.104.31.2553,584
94.104.32.094.104.223.25549,152
94.104.224.094.104.255.2558,192
94.105.0.094.105.95.25524,576
94.105.128.094.111.255.255425,984
147.125.151.0147.125.151.255256
147.125.156.0147.125.156.255256
147.125.196.0147.125.197.255512
151.241.35.0151.241.35.255256
151.241.218.0151.241.219.255512
151.241.235.0151.241.235.255256
178.50.0.0178.51.255.255131,072
188.119.70.0188.119.70.255256
193.32.186.0193.32.187.255512
193.32.206.0193.32.206.255256
193.187.135.0193.187.135.255256
194.62.72.0194.62.72.255256
194.107.123.0194.107.123.255256
194.231.204.0194.231.207.2551,024
195.66.115.0195.66.115.255256
212.53.0.0212.53.15.2554,096
212.65.32.0212.65.63.2558,192
212.74.44.0212.74.45.255512
212.87.96.0212.87.127.2558,192
212.134.84.0212.134.87.2551,024
212.135.248.0212.135.249.255512
212.224.128.0212.224.159.2558,192
212.224.160.0212.224.255.25524,576

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 31.57.205.0, 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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