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AS2920
LACOE

AS2920 announces 141,306 IPv4 addresses across 75 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

141K addressesIPv4 space announced
75Routed ranges
USRegistry country

Is AS2920 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 75 announced ranges.

Range startRange endAddresses
137.164.12.96137.164.12.1038
137.164.35.12137.164.35.132
156.3.0.0156.3.5.2551,536
156.3.6.0156.3.10.2551,280
156.3.11.0156.3.24.2553,584
156.3.25.0156.3.26.255512
156.3.27.0156.3.32.2551,536
156.3.33.0156.3.34.255512
156.3.35.0156.3.38.2551,024
156.3.39.0156.3.40.255512
156.3.41.0156.3.50.2552,560
156.3.51.0156.3.55.2551,280
156.3.56.0156.3.68.2553,328
156.3.69.0156.3.70.255512
156.3.71.0156.3.76.2551,536
156.3.77.0156.3.78.255512
156.3.79.0156.3.89.2552,816
156.3.90.0156.3.93.2551,024
156.3.94.0156.3.95.255512
156.3.96.0156.3.98.255768
156.3.99.0156.3.109.2552,816
156.3.110.0156.3.124.2553,840
156.3.125.0156.3.137.2553,328
156.3.138.0156.3.139.255512
156.3.140.0156.3.142.255768
156.3.143.0156.3.144.255512
156.3.145.0156.3.146.255512
156.3.147.0156.3.149.255768
156.3.150.0156.3.154.2551,280
156.3.155.0156.3.159.2551,280
156.3.160.0156.3.176.2554,352
156.3.177.0156.3.179.255768
156.3.180.0156.3.182.255768
156.3.183.0156.3.195.2553,328
156.3.196.0156.3.197.255512
156.3.198.0156.3.207.2552,560
156.3.208.0156.3.211.2551,024
156.3.212.0156.3.246.2558,960
156.3.247.0156.3.254.2552,048
156.3.255.0156.3.255.255256
204.102.48.0204.102.48.255256
205.154.41.0205.154.41.255256
205.154.229.0205.154.237.2552,304
207.31.128.0207.31.151.2556,144
207.31.152.0207.31.159.2552,048
207.31.160.0207.31.161.255512
207.31.162.0207.31.165.2551,024
207.31.167.0207.31.180.2553,584
207.31.181.0207.31.191.2552,816
207.99.128.0207.99.133.2551,536
207.99.134.0207.99.138.2551,280
207.99.140.0207.99.141.255512
207.99.142.0207.99.146.2551,280
207.99.147.16207.99.163.2554,336
207.99.164.0207.99.165.255512
207.99.166.0207.99.170.2551,280
207.99.172.0207.99.183.2553,072
207.99.184.0207.99.185.255512
207.99.186.0207.99.201.2554,096
207.99.202.0207.99.223.2555,632
207.99.224.0207.99.227.2551,024
207.99.228.0207.99.246.2554,864
207.99.247.0207.99.255.2552,304
209.66.160.0209.66.191.2558,192
209.147.0.0209.147.5.2551,536
209.147.6.0209.147.9.2471,016
209.147.9.248209.147.9.2558
209.147.10.0209.147.13.2551,024
209.147.14.0209.147.23.2552,560
209.147.24.0209.147.25.255512
209.147.26.0209.147.35.2552,560
209.147.36.0209.147.47.2553,072
209.147.48.0209.147.50.255768
209.147.51.0209.147.56.2551,536
209.147.57.0209.147.63.2551,792

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 137.164.12.96, 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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