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AS979
NETLAB-SDN

AS979 announces 129,792 IPv4 addresses across 128 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

130K addressesIPv4 space announced
128Routed ranges
USRegistry country

Is AS979 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 128 announced ranges.

Range startRange endAddresses
14.137.244.014.137.244.255256
14.137.247.014.137.247.255256
14.137.255.014.137.255.255256
23.140.124.023.140.124.255256
23.140.148.023.140.148.255256
23.140.204.023.140.204.255256
23.140.236.023.140.236.255256
23.141.156.023.141.156.255256
23.141.172.023.141.172.255256
23.141.204.023.141.204.255256
23.141.228.023.141.228.255256
23.141.236.023.141.236.255256
23.142.4.023.142.4.255256
23.144.4.023.144.4.255256
23.144.12.023.144.12.255256
23.144.20.023.144.20.255256
23.144.28.023.144.28.255256
23.144.60.023.144.60.255256
23.144.68.023.144.68.255256
23.144.92.023.144.92.255256
23.144.116.023.144.116.255256
23.144.124.023.144.124.255256
23.144.132.023.144.132.255256
23.147.56.023.147.56.255256
23.148.180.023.148.180.255256
23.148.188.023.148.188.255256
23.148.196.023.148.196.255256
23.148.204.023.148.204.255256
23.148.220.023.148.220.255256
23.148.228.023.148.228.255256
23.149.28.023.149.28.255256
23.149.36.023.149.36.255256
23.149.60.023.149.60.255256
23.178.120.023.178.120.255256
23.184.200.023.184.200.255256
38.22.88.038.22.95.2552,048
38.22.234.038.22.235.255512
38.34.13.038.34.13.255256
38.47.112.038.47.119.2552,048
38.58.56.038.58.59.2551,024
38.76.150.038.76.150.255256
38.92.8.038.92.9.255512
38.92.14.038.92.15.255512
38.95.74.038.95.75.255512
38.97.254.038.97.254.255256
38.150.33.038.150.33.255256
38.150.35.038.150.35.255256
38.175.192.038.175.203.2553,072
38.207.162.038.207.163.255512
38.207.166.038.207.171.2551,536
38.207.182.038.207.183.255512
38.207.186.038.207.191.2551,536
38.244.14.038.244.15.255512
38.244.40.038.244.40.255256
38.246.228.038.246.228.255256
38.246.230.038.246.230.255256
38.246.232.038.246.232.255256
38.246.244.038.246.246.255768
38.246.248.038.246.255.2552,048
64.81.26.064.81.27.255512
64.81.30.064.81.30.255256
64.81.112.064.81.117.2551,536
64.83.0.064.83.1.255512
64.83.2.064.83.20.2554,864
64.83.21.064.83.47.2556,912
64.90.0.064.90.27.2557,168
64.90.30.064.90.31.255512
64.178.112.064.178.123.2553,072
64.178.124.064.178.127.2551,024
67.203.11.067.203.11.255256
70.39.178.070.39.178.255256
70.39.180.070.39.181.255512
70.39.195.070.39.195.255256
70.39.197.070.39.198.255512
70.39.200.070.39.207.2552,048
72.172.84.072.172.84.255256
72.172.87.072.172.87.255256
72.172.89.072.172.89.255256
72.249.200.072.249.207.2552,048
75.127.89.075.127.89.255256
96.43.98.096.43.98.255256
98.142.241.098.142.241.255256
103.27.76.0103.27.79.2551,024
103.150.214.0103.150.215.255512
103.207.68.0103.207.69.255512
104.234.92.0104.234.92.255256
144.225.5.0144.225.5.255256
149.87.178.0149.87.178.255256
154.7.176.0154.7.183.2552,048
154.9.24.0154.9.31.2552,048
154.9.224.0154.9.243.2555,120
154.9.248.0154.9.255.2552,048
154.12.35.0154.12.35.255256
154.12.38.0154.12.39.255512
154.12.44.0154.12.47.2551,024
154.12.50.0154.12.55.2551,536
154.12.59.0154.12.63.2551,280
154.13.6.0154.13.6.255256
154.21.194.0154.21.203.2552,560
154.29.144.0154.29.152.2552,304

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 14.137.244.0, 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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