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AS200019
ALEXHOST

AS200019 announces 46,592 IPv4 addresses across 76 routed ranges, registered in MD. Figures come from the public global routing table and are refreshed daily.

47K addressesIPv4 space announced
76Routed ranges
MDRegistry country

Is AS200019 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 76 announced ranges.

Range startRange endAddresses
2.59.219.02.59.219.255256
5.10.208.05.10.211.2551,024
5.63.19.05.63.19.255256
5.181.0.05.181.0.255256
5.252.20.05.252.20.255256
37.221.65.037.221.65.255256
37.221.67.037.221.67.255256
45.86.86.045.86.86.255256
45.90.97.045.90.97.255256
45.93.8.045.93.9.255512
45.145.0.045.145.0.255256
45.148.244.045.148.244.255256
45.150.110.045.150.110.255256
45.152.162.045.152.162.255256
46.16.34.046.16.34.255256
77.246.222.077.246.222.255256
78.40.116.078.40.117.255512
80.96.58.080.96.59.255512
80.96.68.080.96.68.255256
80.96.108.080.96.108.255256
80.96.112.080.96.113.255512
80.97.124.080.97.124.255256
80.97.128.080.97.143.2554,096
81.177.212.081.177.212.255256
81.180.92.081.180.93.255512
85.120.81.085.120.81.255256
85.120.216.085.120.217.255512
85.120.252.085.120.254.255768
85.121.4.085.121.5.255512
85.121.149.085.121.149.255256
85.121.176.085.121.178.255768
85.121.183.085.121.183.255256
85.122.114.085.122.114.255256
85.137.248.085.137.249.255512
87.120.244.087.120.244.255256
91.199.133.091.199.133.255256
91.208.162.091.208.162.255256
91.208.184.091.208.184.255256
91.208.197.091.208.197.255256
91.208.206.091.208.206.255256
91.229.239.091.229.239.255256
91.237.119.091.237.119.255256
93.185.166.093.185.167.255512
94.103.188.094.103.188.255256
131.123.32.0131.123.32.255256
131.123.34.0131.123.63.2557,680
132.243.160.0132.243.163.2551,024
132.243.166.0132.243.167.255512
132.243.172.0132.243.175.2551,024
143.20.44.0143.20.44.255256
143.246.192.0143.246.199.2552,048
146.19.213.0146.19.213.255256
151.244.219.0151.244.219.255256
159.253.120.0159.253.120.255256
171.22.181.0171.22.181.255256
176.116.0.0176.116.0.255256
176.123.0.0176.123.11.2553,072
176.125.240.0176.125.243.2551,024
185.103.164.0185.103.164.255256
185.103.167.0185.103.167.255256
185.113.8.0185.113.8.255256
185.139.214.0185.139.215.255512
185.212.117.0185.212.117.255256
185.216.68.0185.216.68.255256
185.223.79.0185.223.79.255256
185.234.9.0185.234.9.255256
193.27.90.0193.27.90.255256
193.177.0.0193.177.0.255256
194.48.248.0194.48.248.255256
194.102.105.0194.102.105.255256
194.110.247.0194.110.247.255256
213.111.160.0213.111.175.2554,096
213.232.235.0213.232.235.255256
217.156.8.0217.156.9.255512
217.156.64.0217.156.65.255512
217.156.123.0217.156.123.255256

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