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AS27947
Telconet S.A

AS27947 announces 527,360 IPv4 addresses across 203 routed ranges, registered in EC. Figures come from the public global routing table and are refreshed daily.

527K addressesIPv4 space announced
203Routed ranges
ECRegistry country

Is AS27947 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

First 100 of 203 ranges.

Range startRange endAddresses
8.242.218.08.242.218.255256
23.219.144.023.219.147.2551,024
45.194.29.045.194.29.255256
45.195.132.045.195.132.255256
45.199.178.045.199.178.255256
64.46.64.064.46.95.2558,192
69.65.128.069.65.159.2558,192
154.197.111.0154.197.111.255256
154.198.172.0154.198.172.255256
156.239.192.0156.239.195.2551,024
157.100.0.0157.100.1.255512
157.100.2.0157.100.13.2553,072
157.100.14.0157.100.34.2555,376
157.100.35.0157.100.45.2552,816
157.100.46.0157.100.51.2551,536
157.100.64.0157.100.67.2551,024
157.100.70.0157.100.70.255256
157.100.73.0157.100.76.2551,024
157.100.77.0157.100.83.2551,792
157.100.84.0157.100.89.2551,536
157.100.90.0157.100.97.2552,048
157.100.98.0157.100.99.255512
157.100.100.0157.100.113.2553,584
157.100.114.0157.100.144.2557,936
157.100.145.0157.100.158.2553,584
157.100.159.0157.100.162.2551,024
157.100.163.0157.100.169.2551,792
157.100.170.0157.100.194.2556,400
157.100.195.0157.100.203.2552,304
157.100.205.0157.100.224.2555,120
157.100.225.0157.100.255.2557,936
181.39.0.0181.39.8.2552,304
181.39.9.0181.39.10.255512
181.39.11.0181.39.17.2551,792
181.39.18.0181.39.22.2551,280
181.39.23.0181.39.25.255768
181.39.26.0181.39.29.2551,024
181.39.30.0181.39.42.2553,328
181.39.43.0181.39.46.2551,024
181.39.47.0181.39.55.2552,304
181.39.56.0181.39.67.2553,072
181.39.68.0181.39.92.2556,400
181.39.93.0181.39.101.2552,304
181.39.102.0181.39.106.2551,280
181.39.107.0181.39.118.2553,072
181.39.119.0181.39.125.2551,792
181.39.126.0181.39.128.255768
181.39.129.0181.39.150.2555,632
181.39.151.0181.39.155.2551,280
181.39.156.0181.39.158.255768
181.39.159.0181.39.160.255512
181.39.161.0181.39.169.2552,304
181.39.170.0181.39.188.2554,864
181.39.189.0181.39.201.2553,328
181.39.202.0181.39.230.2557,424
181.39.231.0181.39.243.2553,328
181.39.244.0181.39.255.2553,072
181.198.0.0181.198.2.255768
181.198.3.0181.198.10.2552,048
181.198.11.0181.198.14.2551,024
181.198.15.0181.198.17.255768
181.198.18.0181.198.25.2552,048
181.198.26.0181.198.30.2551,280
181.198.31.0181.198.41.2552,816
181.198.42.0181.198.43.255512
181.198.44.0181.198.48.2551,280
181.198.49.0181.198.50.255512
181.198.51.0181.198.56.2551,536
181.198.57.0181.198.65.2552,304
181.198.66.0181.198.72.2551,792
181.198.73.0181.198.78.2551,536
181.198.79.0181.198.94.2554,096
181.198.95.0181.198.96.255512
181.198.97.0181.198.110.2553,584
181.198.111.0181.198.113.255768
181.198.114.0181.198.115.255512
181.198.116.0181.198.117.255512
181.198.118.0181.198.122.2551,280
181.198.123.0181.198.150.2557,168
181.198.151.0181.198.203.25513,568
181.198.204.0181.198.228.2556,400
181.198.230.0181.198.233.2551,024
181.198.234.0181.199.0.2555,888
181.199.1.0181.199.32.2558,192
181.199.33.0181.199.38.2551,536
181.199.39.0181.199.42.2551,024
181.199.43.0181.199.44.255512
181.199.45.0181.199.54.2552,560
181.199.55.0181.199.67.2553,328
181.199.68.0181.199.93.2556,656
181.199.94.0181.199.107.2553,584
181.199.108.0181.199.110.255768
181.199.111.0181.199.127.2554,352
186.3.0.0186.3.2.255768
186.3.3.0186.3.5.255768
186.3.7.0186.3.9.255768
186.3.10.0186.3.23.2553,584
186.3.24.0186.3.29.2551,536
186.3.31.0186.3.32.255512
186.3.33.0186.3.52.2555,120

Check a specific address

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