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AS197537
WISDOM-CLOUD

AS197537 announces 46,848 IPv4 addresses across 118 routed ranges, registered in SG. Figures come from the public global routing table and are refreshed daily.

47K addressesIPv4 space announced
118Routed ranges
SGRegistry country

Is AS197537 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 118 announced ranges.

Range startRange endAddresses
2.58.115.02.58.115.255256
38.30.200.038.30.201.255512
45.141.130.045.141.130.255256
45.152.178.045.152.179.255512
46.236.240.046.236.240.255256
64.81.162.064.81.162.255256
77.93.88.077.93.88.255256
82.21.77.082.21.77.255256
82.22.176.082.22.176.255256
82.23.148.082.23.148.255256
82.24.84.082.24.84.255256
82.39.196.082.39.199.2551,024
82.47.221.082.47.221.255256
82.139.226.082.139.226.255256
82.198.240.082.198.240.255256
85.149.221.085.149.221.255256
91.232.99.091.232.99.255256
92.112.23.092.112.23.255256
95.135.136.095.135.136.255256
95.135.145.095.135.147.255768
95.135.152.095.135.152.255256
95.135.169.095.135.170.255512
95.135.172.095.135.172.255256
95.135.174.095.135.174.255256
95.135.177.095.135.177.255256
95.135.211.095.135.211.255256
95.135.216.095.135.216.255256
95.135.220.095.135.220.255256
95.135.226.095.135.227.255512
95.135.231.095.135.231.255256
95.135.236.095.135.236.255256
95.135.243.095.135.243.255256
95.135.247.095.135.247.255256
96.62.11.096.62.11.255256
96.62.18.096.62.18.255256
96.62.22.096.62.22.255256
96.62.28.096.62.29.255512
103.3.167.0103.3.167.255256
103.69.2.0103.69.2.255256
103.69.93.0103.69.93.255256
103.72.195.0103.72.195.255256
103.120.67.0103.120.67.255256
103.120.204.0103.120.204.255256
103.148.242.0103.148.243.255512
103.159.80.0103.159.81.255512
103.168.154.0103.168.155.255512
109.176.203.0109.176.203.255256
109.176.230.0109.176.230.255256
109.234.212.0109.234.212.255256
117.120.0.0117.120.0.255256
144.56.21.0144.56.21.255256
149.40.70.0149.40.70.255256
149.40.76.0149.40.76.255256
149.51.100.0149.51.101.255512
149.51.126.0149.51.127.255512
149.87.138.0149.87.140.255768
149.87.143.0149.87.144.255512
149.87.147.0149.87.147.255256
149.87.150.0149.87.150.255256
149.87.152.0149.87.155.2551,024
149.87.157.0149.87.158.255512
149.87.160.0149.87.161.255512
149.87.163.0149.87.163.255256
149.87.169.0149.87.169.255256
149.87.171.0149.87.172.255512
149.87.174.0149.87.174.255256
149.87.176.0149.87.177.255512
149.87.180.0149.87.181.255512
149.87.183.0149.87.183.255256
149.87.188.0149.87.191.2551,024
149.88.164.0149.88.164.255256
149.88.166.0149.88.168.255768
149.88.170.0149.88.172.255768
149.88.174.0149.88.174.255256
149.88.177.0149.88.178.255512
149.88.180.0149.88.183.2551,024
149.88.188.0149.88.191.2551,024
149.88.203.0149.88.203.255256
149.88.210.0149.88.210.255256
149.88.212.0149.88.212.255256
149.88.214.0149.88.214.255256
149.88.216.0149.88.216.255256
149.88.219.0149.88.220.255512
149.88.222.0149.88.223.255512
149.119.58.0149.119.59.255512
151.158.225.0151.158.225.255256
151.242.112.0151.242.112.255256
151.246.130.0151.246.130.255256
158.173.204.0158.173.205.255512
161.248.84.0161.248.85.255512
162.4.236.0162.4.237.255512
163.227.173.0163.227.173.255256
178.255.246.0178.255.247.255512
181.215.204.0181.215.204.255256
185.46.113.0185.46.113.255256
185.220.248.0185.220.248.255256
185.225.1.0185.225.1.255256
185.240.85.0185.240.85.255256
188.220.146.0188.220.147.255512
188.221.122.0188.221.123.255512

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 2.58.115.0, 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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