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AS36351
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AS36351 announces 3,625,984 IPv4 addresses across 204 routed ranges, registered in US. Figures come from the public global routing table and are refreshed daily.

3.6M addressesIPv4 space announced
204Routed ranges
USRegistry country

Is AS36351 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 204 ranges.

Range startRange endAddresses
5.10.96.05.10.127.2558,192
5.83.159.05.83.159.255256
13.116.64.013.116.127.25516,384
13.120.64.013.120.127.25516,384
13.121.64.013.121.127.25516,384
13.122.64.013.122.127.25516,384
43.245.168.043.245.168.255256
46.16.184.046.16.191.2552,048
50.22.0.050.22.27.2557,168
50.22.28.050.22.47.2555,120
50.22.64.050.22.79.2554,096
50.22.128.050.22.215.25522,528
50.97.16.050.97.16.183184
50.97.16.18450.97.17.255328
50.97.32.050.97.63.2558,192
52.116.0.052.116.143.25536,864
52.116.144.052.116.160.1834,280
52.116.160.18452.116.198.1529,697
52.116.198.15352.116.203.1881,316
52.116.203.18952.117.15.25517,475
52.117.16.052.117.179.25541,984
52.117.180.052.117.199.1515,016
52.117.199.15252.118.255.25579,976
62.84.171.062.84.171.255256
64.5.32.064.5.55.2556,144
66.37.96.066.37.96.255256
66.98.128.066.98.255.25532,768
66.228.112.066.228.127.2554,096
67.15.0.067.15.255.25565,536
67.18.0.067.18.191.25549,152
67.214.212.067.214.212.255256
67.214.223.067.214.223.255256
67.228.0.067.228.255.25565,536
69.57.132.069.57.147.2554,096
74.86.0.074.86.255.25565,536
75.126.0.075.126.95.25524,576
75.126.96.075.126.127.2558,192
75.126.128.075.126.255.25532,768
81.95.144.081.95.144.255256
89.38.52.089.38.54.255768
89.144.43.089.144.43.255256
103.53.196.0103.53.196.255256
103.70.48.0103.70.48.255256
103.106.108.0103.106.108.255256
103.193.4.0103.193.7.2551,024
103.197.160.0103.197.163.2551,024
104.207.183.0104.207.183.255256
104.207.188.0104.207.188.255256
108.168.128.0108.168.191.25516,384
108.168.254.0108.168.255.255512
108.229.8.0108.229.15.2552,048
119.81.0.0119.81.14.1023,687
119.81.14.103119.81.14.1064
119.81.14.107119.81.223.25553,653
119.81.224.0119.81.255.2558,192
128.168.0.0128.168.92.24723,800
128.168.92.248128.168.92.2492
128.168.92.250128.168.195.25526,374
129.35.190.0129.35.190.255256
129.41.128.0129.41.159.2558,192
129.41.224.0129.41.255.2558,192
130.198.0.0130.198.31.2558,192
130.198.64.0130.198.127.25516,384
135.90.64.0135.90.191.25532,768
141.125.64.0141.125.77.343,363
141.125.77.35141.125.191.25529,405
144.69.0.0144.69.127.25532,768
148.59.154.0148.59.154.255256
149.81.0.0149.81.0.5758
149.81.0.58149.81.4.1381,105
149.81.4.139149.81.113.1327,779
149.81.113.14149.81.219.18727,310
149.81.219.188149.81.222.138719
149.81.222.139149.81.222.1457
149.81.222.146149.81.255.2558,558
150.112.64.0150.112.127.25516,384
150.238.0.0150.238.75.12219,323
150.238.75.123150.239.169.9189,569
150.239.169.92150.239.171.236657
150.239.171.237150.240.67.12038,796
150.240.67.121150.240.255.25548,263
158.85.64.0158.85.127.25516,384
158.175.64.0158.175.99.1949,155
158.175.99.195158.175.191.25523,613
158.176.0.0158.176.11.532,870
158.176.11.54158.176.69.17014,965
158.176.69.171158.177.7.22349,717
158.177.7.224158.177.139.16933,738
158.177.139.170158.177.255.25529,782
158.231.64.0158.231.127.25516,384
159.8.64.0159.8.255.25549,152
159.23.64.0159.23.127.25516,384
159.122.64.0159.122.255.25549,152
159.253.128.0159.253.151.2556,144
161.156.0.0161.156.141.25536,352
161.156.142.0161.156.255.25529,184
161.199.16.0161.199.16.255256
161.199.86.0161.199.86.255256
161.202.0.0161.202.31.2558,192
161.202.64.0161.202.255.25549,152

Check a specific address

The AS tells you who announces a range. Whether one address inside it is currently a tunnel is a live question, answered per address — for example 5.10.96.0, the first address in this AS's announced space. The free lookup tool takes any address, and the IP intelligence hub explains what each signal means.

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