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AS12025
IMDC-AS12025

AS12025 announces 122,112 IPv4 addresses across 70 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

122K addressesIPv4 space announced
70Routed ranges
USRegistry country

Is AS12025 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 70 announced ranges.

Range startRange endAddresses
8.12.246.08.12.247.255512
8.30.192.08.30.198.2551,792
8.30.199.08.30.199.255256
8.36.32.08.36.39.2552,048
50.59.152.050.59.153.255512
66.35.32.066.35.35.2551,024
66.35.36.066.35.52.2554,352
66.35.54.066.35.59.2551,536
66.35.61.066.35.63.255768
69.71.48.069.71.63.2554,096
72.22.108.072.22.108.255256
72.44.192.072.44.192.255256
72.44.194.072.44.198.2551,280
72.44.199.072.44.206.2552,048
72.44.208.072.44.217.2552,560
72.44.218.072.44.226.2552,304
72.44.227.072.44.243.2554,352
72.44.244.072.44.255.2553,072
74.206.96.074.206.119.2556,144
74.206.120.074.206.123.2551,024
74.206.124.074.206.127.2551,024
104.153.188.0104.153.188.255256
104.153.190.0104.153.191.255512
104.193.45.0104.193.47.255768
135.84.108.0135.84.111.2551,024
136.228.184.0136.228.184.255256
138.207.65.0138.207.74.2552,560
138.207.78.0138.207.78.255256
138.207.80.0138.207.81.255512
138.207.82.0138.207.86.2551,280
138.207.88.0138.207.127.25510,240
148.51.128.0148.51.130.255768
148.51.131.0148.51.131.255256
148.51.133.0148.51.146.2553,584
148.51.147.0148.51.206.25515,360
148.51.207.0148.51.218.2553,072
148.51.220.0148.51.221.255512
148.51.224.0148.51.237.2553,584
148.51.242.0148.51.255.2553,584
155.63.88.0155.63.88.255256
162.223.160.0162.223.161.255512
162.223.162.0162.223.163.255512
162.252.176.0162.252.179.2551,024
165.140.254.0165.140.255.255512
170.52.44.0170.52.45.255512
173.195.80.0173.195.83.2551,024
173.195.92.0173.195.95.2551,024
174.128.0.0174.128.14.2553,840
174.128.15.0174.128.24.2552,560
174.128.25.0174.128.29.2551,280
174.128.32.0174.128.53.2555,632
174.128.54.0174.128.56.255768
174.128.57.0174.128.59.255768
174.128.61.0174.128.63.255768
192.135.109.0192.135.109.255256
192.163.22.0192.163.23.255512
198.199.52.0198.199.55.2551,024
199.7.215.0199.7.215.255256
199.48.80.0199.48.83.2551,024
199.96.124.0199.96.127.2551,024
199.122.28.0199.122.31.2551,024
199.175.241.0199.175.241.255256
204.57.222.0204.57.223.255512
204.86.116.0204.86.119.2551,024
205.159.93.0205.159.93.255256
205.235.80.0205.235.86.2551,792
205.235.87.0205.235.90.2551,024
205.235.91.0205.235.94.2551,024
205.235.95.0205.235.95.255256
208.74.224.0208.74.224.255256

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