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AS25653
FORTRESSITX

AS25653 announces 91,136 IPv4 addresses across 30 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

91K addressesIPv4 space announced
30Routed ranges
USRegistry country

Is AS25653 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 30 announced ranges.

Range startRange endAddresses
65.98.0.065.98.4.2551,280
65.98.6.065.98.11.2551,536
65.98.13.065.98.18.2551,536
65.98.20.065.98.28.2552,304
65.98.30.065.98.66.2559,472
65.98.67.065.98.126.25515,360
67.227.23.067.227.23.255256
67.227.64.067.227.64.255256
67.227.108.067.227.108.255256
69.57.174.069.57.175.255512
69.57.184.069.57.188.2551,280
69.57.190.069.57.191.255512
69.72.128.069.72.135.2552,048
69.72.137.069.72.148.2553,072
69.72.150.069.72.243.25524,064
69.72.245.069.72.247.255768
69.72.249.069.72.255.2551,792
173.211.19.0173.211.19.255256
174.140.196.0174.140.197.255512
184.174.17.0184.174.17.255256
192.70.213.0192.70.213.255256
198.62.86.0198.62.86.255256
208.116.0.0208.116.16.2554,352
208.116.18.0208.116.18.255256
208.116.20.0208.116.55.2559,216
208.116.58.0208.116.63.2551,536
216.67.224.0216.67.229.2551,536
216.67.231.0216.67.248.2554,608
216.67.249.0216.67.252.2551,024
216.67.253.0216.67.255.255768

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 65.98.0.0, 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.

Check a specific address in this AS.
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