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AS29838
AMC

AS29838 announces 128,256 IPv4 addresses across 78 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

128K addressesIPv4 space announced
78Routed ranges
USRegistry country

Is AS29838 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 78 announced ranges.

Range startRange endAddresses
38.81.194.038.81.195.255512
45.43.5.045.43.5.255256
45.43.28.045.43.28.255256
66.36.233.066.36.233.255256
66.45.105.066.45.105.255256
66.178.176.066.178.191.2554,096
66.231.176.066.231.180.2551,280
66.231.181.066.231.191.2552,816
67.208.64.067.208.74.2552,816
67.208.75.067.208.77.255768
67.208.78.067.208.84.2551,792
67.208.86.067.208.91.2551,536
67.208.92.067.208.95.2551,024
69.9.32.069.9.39.2552,048
69.9.41.069.9.44.2551,024
69.9.45.069.9.47.255768
69.160.240.069.160.253.2553,584
69.160.254.069.160.255.255512
69.169.14.069.169.15.255512
69.169.22.069.169.27.2551,536
69.169.28.069.169.39.2553,072
69.169.52.069.169.53.255512
69.169.56.069.169.83.2557,168
69.169.84.069.169.95.2553,072
70.33.160.070.33.168.2552,304
70.33.170.070.33.182.2553,328
70.33.184.070.33.191.2552,048
74.91.0.074.91.11.2553,072
74.91.12.074.91.14.255768
74.91.15.074.91.15.255256
104.128.54.0104.128.54.255256
104.128.63.0104.128.63.255256
104.192.100.0104.192.100.255256
104.194.221.0104.194.221.255256
108.60.128.0108.60.129.255512
108.60.130.0108.60.141.2553,072
108.60.142.0108.60.156.2553,840
108.60.157.0108.60.159.255768
139.64.142.0139.64.142.255256
142.154.208.0142.154.208.255256
142.248.239.0142.248.239.255256
162.253.64.0162.253.65.255512
162.254.85.0162.254.85.255256
167.88.121.0167.88.121.255256
173.45.2.0173.45.7.2551,536
173.45.16.0173.45.16.255256
173.45.18.0173.45.21.2551,024
173.45.32.0173.45.47.2554,096
173.205.176.0173.205.191.2554,096
174.128.160.0174.128.168.2552,304
174.128.170.0174.128.177.2552,048
174.128.180.0174.128.183.2551,024
174.128.185.0174.128.185.255256
198.67.15.0198.67.15.255256
199.4.235.0199.4.235.255256
199.27.189.0199.27.189.255256
199.91.216.0199.91.216.255256
199.91.218.0199.91.218.255256
199.115.248.0199.115.249.255512
199.188.159.0199.188.159.255256
199.188.228.0199.188.231.2551,024
204.145.64.0204.145.86.2555,888
204.145.88.0204.145.95.2552,048
205.251.0.0205.251.9.2552,560
205.251.10.0205.251.17.2552,048
205.251.19.0205.251.47.2557,424
205.251.48.0205.251.67.2555,120
205.251.68.0205.251.68.255256
205.251.70.0205.251.95.2556,656
205.251.96.0205.251.103.2552,048
205.251.104.0205.251.113.2552,560
205.251.116.0205.251.124.2552,304
205.251.125.0205.251.127.255768
208.68.168.0208.68.175.2552,048
208.78.24.0208.78.26.255768
208.78.27.0208.78.31.2551,280
209.42.164.0209.42.164.255256
216.99.0.0216.99.0.255256

Check a specific address

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