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AS208398
TELETECH

AS208398 announces 191,488 IPv4 addresses across 46 routed ranges, registered in RS. Figures come from the public global routing table and are refreshed daily.

191K addressesIPv4 space announced
46Routed ranges
RSRegistry country

Is AS208398 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 46 announced ranges.

Range startRange endAddresses
5.45.192.05.45.202.2552,816
5.45.203.05.45.205.255768
5.45.206.05.45.213.2552,048
5.45.215.05.45.215.255256
5.45.216.05.45.218.255768
5.45.220.05.45.240.2555,376
5.45.242.05.45.242.255256
5.45.244.05.45.251.2552,048
5.255.192.05.255.197.2551,536
5.255.198.05.255.204.2551,792
5.255.206.05.255.255.25512,800
37.9.64.037.9.64.255256
37.9.65.037.9.74.2552,560
37.9.76.037.9.85.2552,560
37.9.87.037.9.87.255256
37.9.88.037.9.97.2552,560
37.9.99.037.9.112.2553,584
37.9.113.037.9.127.2553,840
37.140.128.037.140.191.25516,384
45.87.132.045.87.135.2551,024
77.88.0.077.88.5.2551,536
77.88.7.077.88.8.255512
77.88.9.077.88.11.255768
77.88.14.077.88.44.2557,936
77.88.45.077.88.55.2552,816
77.88.56.077.88.63.2552,048
84.252.176.084.252.191.2554,096
87.250.224.087.250.239.2554,096
87.250.241.087.250.247.2551,792
87.250.248.087.250.254.2551,792
92.255.112.092.255.127.2554,096
93.158.128.093.158.143.2554,096
93.158.148.093.158.167.2555,120
93.158.172.093.158.183.2553,072
95.108.128.095.108.255.25532,768
100.43.64.0100.43.77.2553,584
100.43.79.0100.43.95.2554,352
141.8.128.0141.8.191.25516,384
178.154.128.0178.154.131.2551,024
178.154.132.0178.154.191.25515,360
185.32.187.0185.32.187.255256
193.239.228.0193.239.228.255256
199.21.96.0199.21.99.2551,024
199.36.240.0199.36.243.2551,024
213.180.192.0213.180.199.2552,048
213.180.200.0213.180.223.2556,144

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 5.45.192.0, 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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