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AS8903
AS8903 Lyntia Networks. Peering AS.

AS8903 announces 164,864 IPv4 addresses across 92 routed ranges, registered in ES. Figures come from the public global routing table and are refreshed daily.

165K addressesIPv4 space announced
92Routed ranges
ESRegistry country

Is AS8903 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 92 announced ranges.

Range startRange endAddresses
45.83.50.045.83.51.255512
80.66.112.080.66.115.2551,024
80.66.117.080.66.118.255512
80.66.120.080.66.124.2551,280
84.18.0.084.18.31.2558,192
89.42.70.089.42.70.255256
89.44.150.089.44.151.255512
91.132.28.091.132.29.255512
91.132.31.091.132.31.255256
92.60.160.092.60.171.2553,072
92.60.172.092.60.174.255768
92.60.175.092.60.175.255256
94.198.47.094.198.47.255256
136.238.211.0136.238.211.255256
149.7.217.0149.7.217.255256
154.44.190.0154.44.190.255256
154.58.219.0154.58.219.255256
154.62.64.0154.62.65.255512
154.62.67.0154.62.67.255256
154.62.234.0154.62.235.255512
154.62.251.0154.62.251.255256
158.172.140.0158.172.141.255512
176.98.220.0176.98.220.255256
176.98.223.0176.98.223.255256
178.19.44.0178.19.44.255256
178.19.47.0178.19.47.255256
185.66.60.0185.66.60.255256
185.66.61.0185.66.63.255768
185.123.122.0185.123.122.255256
185.155.64.0185.155.64.255256
185.155.67.0185.155.67.255256
185.187.180.0185.187.182.255768
185.203.20.0185.203.22.255768
185.224.76.0185.224.76.255256
185.229.215.0185.229.215.255256
185.242.175.0185.242.175.255256
193.34.241.0193.34.241.255256
193.186.11.0193.186.11.255256
195.5.64.0195.5.67.2551,024
195.5.68.0195.5.75.2552,048
195.5.78.0195.5.87.2552,560
195.5.88.0195.5.94.2551,792
195.5.95.0195.5.95.255256
212.49.128.0212.49.144.2554,352
212.49.146.0212.49.179.2558,704
212.49.181.0212.49.188.2552,048
212.49.190.0212.49.191.255512
212.66.161.0212.66.191.2557,936
212.163.0.0212.163.1.255512
212.163.2.0212.163.5.2551,024
212.163.6.0212.163.7.255512
212.163.9.0212.163.9.255256
212.163.11.0212.163.13.255768
212.163.16.0212.163.18.255768
212.163.19.0212.163.19.255256
212.163.24.0212.163.25.255512
212.163.27.0212.163.30.2551,024
212.163.32.0212.163.35.2551,024
212.163.40.0212.163.42.255768
212.163.44.0212.163.67.2556,144
212.163.72.0212.163.92.2555,376
212.163.93.0212.163.94.255512
212.163.95.0212.163.130.2559,216
212.163.131.0212.163.136.2551,536
212.163.137.0212.163.143.2551,792
212.163.145.0212.163.185.25510,496
212.163.186.0212.163.193.2552,048
212.163.194.0212.163.227.2558,704
212.163.228.0212.163.235.2552,048
212.163.236.0212.163.255.2555,120
213.9.128.0213.9.128.255256
213.9.129.0213.9.143.2553,840
213.9.144.0213.9.163.2555,120
213.9.164.0213.9.182.2554,864
213.9.183.0213.9.186.2551,024
213.9.187.0213.9.192.2551,536
213.9.193.0213.9.217.2556,400
213.9.218.0213.9.241.2556,144
213.9.242.0213.9.242.255256
213.9.244.0213.9.248.2551,280
213.9.249.0213.9.251.255768
213.9.252.0213.9.255.2551,024
213.170.52.0213.170.52.255256
213.192.192.0213.192.195.2551,024
213.192.196.0213.192.202.2551,792
213.192.204.0213.192.213.2552,560
213.192.215.0213.192.215.255256
213.192.216.0213.192.231.2554,096
213.192.233.0213.192.235.255768
213.192.238.0213.192.242.2551,280
213.192.244.0213.192.252.2552,304
213.192.255.0213.192.255.255256

Check a specific address

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