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AS31363
MOSCOW-AS

AS31363 announces 154,624 IPv4 addresses across 70 routed ranges, registered in RU. Figures come from the public global routing table and are refreshed daily.

155K addressesIPv4 space announced
70Routed ranges
RURegistry country

Is AS31363 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 70 announced ranges.

Range startRange endAddresses
5.3.96.05.3.100.2551,280
5.3.101.05.3.103.255768
5.3.104.05.3.108.2551,280
5.3.109.05.3.111.255768
5.16.128.05.16.132.2551,280
5.16.133.05.16.136.2551,024
5.16.137.05.16.143.2551,792
5.16.160.05.16.191.2558,192
5.19.96.05.19.111.2554,096
5.19.112.05.19.127.2554,096
5.39.160.05.39.167.2552,048
5.104.202.05.104.203.255512
5.104.205.05.104.207.255768
31.10.0.031.10.2.255768
31.10.4.031.10.4.255256
37.112.120.037.112.127.2552,048
37.113.208.037.113.215.2552,048
37.113.216.037.113.223.2552,048
78.136.220.078.136.223.2551,024
78.139.224.078.139.255.2558,192
79.143.68.079.143.69.255512
79.143.75.079.143.75.255256
80.90.240.080.90.240.255256
80.90.242.080.90.242.255256
80.90.244.080.90.248.2551,280
80.90.250.080.90.251.255512
80.90.253.080.90.253.255256
80.90.255.080.90.255.255256
83.221.16.083.221.20.2551,280
83.221.21.083.221.24.2551,024
83.221.25.083.221.31.2551,792
86.62.64.086.62.127.25516,384
86.110.192.086.110.193.255512
86.110.196.086.110.199.2551,024
86.110.222.086.110.223.255512
88.204.80.088.204.95.2554,096
88.204.98.088.204.99.255512
93.159.232.093.159.239.2552,048
93.188.152.093.188.154.255768
93.188.156.093.188.159.2551,024
176.213.130.0176.213.135.2551,536
176.214.100.0176.214.103.2551,024
176.215.176.0176.215.181.2551,536
176.215.182.0176.215.191.2552,560
178.18.208.0178.18.216.2552,304
178.251.136.0178.251.143.2552,048
185.16.66.0185.16.67.255512
185.36.60.0185.36.63.2551,024
185.61.36.0185.61.39.2551,024
185.108.160.0185.108.163.2551,024
185.144.136.0185.144.139.2551,024
185.165.160.0185.165.163.2551,024
185.204.124.0185.204.127.2551,024
188.123.253.0188.123.253.255256
188.232.64.0188.232.72.2552,304
188.232.73.0188.232.79.2551,792
188.234.176.0188.234.183.2552,048
194.58.62.0194.58.63.255512
195.54.192.0195.54.212.2555,376
195.54.215.0195.54.223.2552,304
195.91.128.0195.91.255.25532,768
212.57.96.0212.57.111.2554,096
212.57.114.0212.57.114.255256
212.57.117.0212.57.117.255256
212.57.119.0212.57.121.255768
212.57.123.0212.57.123.255256
213.79.72.0213.79.75.2551,024
213.183.116.0213.183.117.255512
217.28.208.0217.28.219.2553,072
217.29.48.0217.29.49.255512

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