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AS8447
A1TELEKOM-AT A1 Telekom Austria AG

AS8447 announces 2,737,664 IPv4 addresses across 124 routed ranges, registered in AT. Figures come from the public global routing table and are refreshed daily.

2.7M addressesIPv4 space announced
124Routed ranges
ATRegistry country

Is AS8447 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 124 announced ranges.

Range startRange endAddresses
45.132.35.045.132.35.255256
46.74.0.046.75.255.255131,072
46.206.0.046.207.255.255131,072
62.46.0.062.47.255.255131,072
62.116.32.062.116.63.2558,192
64.235.148.064.235.149.255512
80.75.32.080.75.34.255768
80.75.35.080.75.51.2554,352
80.75.56.080.75.63.2552,048
80.89.96.080.89.111.2554,096
80.120.0.080.120.7.2552,048
80.120.9.080.120.11.255768
80.120.14.080.120.17.2551,024
80.120.19.080.120.57.2559,984
80.120.59.080.120.144.25522,016
80.120.146.080.121.191.25577,312
80.121.196.080.121.204.2552,304
80.121.206.080.123.255.255143,872
80.240.224.080.240.239.2554,096
81.5.192.081.5.255.25516,384
84.20.160.084.20.183.2556,144
84.20.188.084.20.191.2551,024
85.90.128.085.90.159.2558,192
87.86.8.087.86.11.2551,024
87.86.82.087.86.85.2551,024
88.116.0.088.116.217.25555,808
88.116.218.088.117.255.25575,264
89.46.122.089.46.122.255256
89.46.124.089.46.124.255256
89.144.192.089.144.255.25516,384
91.112.0.091.115.255.255262,144
91.201.171.091.201.171.255256
91.206.192.091.206.193.255512
91.209.219.091.209.219.255256
91.213.132.091.213.132.255256
91.220.2.091.220.2.255256
91.230.142.091.230.142.255256
92.248.0.092.248.127.25532,768
93.82.0.093.83.255.255131,072
93.111.0.093.111.255.25565,536
136.238.16.0136.238.16.255256
149.154.102.0149.154.102.255256
157.247.0.0157.247.1.255512
157.247.128.0157.247.128.255256
172.120.142.0172.120.143.255512
172.120.145.0172.120.145.255256
172.120.170.0172.120.170.255256
176.66.0.0176.66.63.25516,384
176.66.128.0176.66.255.25532,768
178.188.0.0178.191.255.255262,144
185.157.250.0185.157.251.255512
185.202.151.0185.202.151.255256
188.20.0.0188.21.5.25567,072
188.21.7.0188.23.255.255194,816
188.45.0.0188.45.191.25549,152
192.92.138.0192.92.138.255256
192.102.17.0192.102.17.255256
192.164.0.0192.164.35.2559,216
192.164.39.0192.164.71.2558,448
192.164.80.0192.164.159.25520,480
192.164.208.0192.164.255.25512,288
193.46.4.0193.46.11.2552,048
193.80.0.0193.80.21.2555,632
193.80.23.0193.80.41.2554,864
193.80.43.0193.80.131.25522,784
193.80.164.0193.80.190.2556,912
193.80.192.0193.81.0.25516,640
193.81.2.0193.81.245.25562,464
193.81.247.0193.81.255.2552,304
193.83.0.0193.83.203.25552,224
193.83.205.0193.83.255.25513,056
193.84.94.0193.84.94.255256
193.149.217.0193.149.217.255256
193.154.0.0193.154.143.25536,864
193.154.160.0193.154.255.25524,576
193.160.98.0193.160.99.255512
193.187.212.0193.187.243.2558,192
194.30.191.0194.30.191.255256
194.48.88.0194.48.91.2551,024
194.48.108.0194.48.139.2558,192
194.48.156.0194.48.162.2551,792
194.48.163.0194.48.163.255256
194.48.173.0194.48.173.255256
194.96.0.0194.96.255.25565,536
194.107.84.0194.107.91.2552,048
194.107.152.0194.107.159.2552,048
194.118.0.0194.118.255.25565,536
194.152.96.0194.152.127.2558,192
194.152.160.0194.152.191.2558,192
194.166.0.0194.166.255.25565,536
195.3.64.0195.3.107.25511,264
195.3.110.0195.3.127.2554,608
195.64.0.0195.64.31.2558,192
195.82.224.0195.82.255.2558,192
195.88.48.0195.88.49.255512
195.162.1.0195.162.1.255256
195.170.64.0195.170.95.2558,192
195.230.32.0195.230.63.2558,192
212.16.32.0212.16.33.255512
212.16.36.0212.16.63.2557,168

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