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AS786
JANET Jisc Services Limited

AS786 announces 6,895,616 IPv4 addresses across 171 routed ranges, registered in GB. Figures come from the public global routing table and are refreshed daily.

6.9M addressesIPv4 space announced
171Routed ranges
GBRegistry country

Is AS786 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 171 announced ranges.

Range startRange endAddresses
45.88.80.045.88.81.255512
46.254.200.046.254.207.2552,048
77.241.76.077.241.79.2551,024
81.87.0.081.87.255.25565,536
83.138.32.083.138.39.2552,048
92.245.224.092.245.255.2558,192
128.16.0.0128.16.255.25565,536
128.40.0.0128.41.63.25581,920
128.86.0.0128.86.255.25565,536
128.232.0.0128.232.255.25565,536
128.240.0.0128.240.255.25565,536
128.243.0.0128.243.255.25565,536
129.11.0.0129.12.255.255131,072
129.31.0.0129.31.255.25565,536
129.67.0.0129.67.255.25565,536
129.169.0.0129.169.255.25565,536
129.215.0.0129.215.255.25565,536
129.234.0.0129.234.255.25565,536
130.88.0.0130.88.255.25565,536
130.159.0.0130.159.255.25565,536
130.209.0.0130.209.255.25565,536
130.246.0.0130.246.255.25565,536
131.111.0.0131.111.255.25565,536
131.227.0.0131.227.255.25565,536
131.231.0.0131.231.255.25565,536
131.251.0.0131.251.255.25565,536
134.36.0.0134.36.255.25565,536
134.83.0.0134.83.255.25565,536
134.151.0.0134.151.255.25565,536
134.219.0.0134.220.255.255131,072
134.225.0.0134.225.255.25565,536
136.148.32.0136.148.63.2558,192
136.148.104.0136.148.127.2556,144
136.148.160.0136.148.191.2558,192
136.148.224.0136.148.255.2558,192
136.156.0.0136.156.31.2558,192
136.156.88.0136.156.91.2551,024
136.156.160.0136.156.167.2552,048
136.156.176.0136.156.183.2552,048
137.44.0.0137.44.63.25516,384
137.50.0.0137.50.255.25565,536
137.73.0.0137.73.255.25565,536
137.108.0.0137.108.255.25565,536
137.195.0.0137.195.223.25557,344
137.195.240.0137.195.255.2554,096
137.222.0.0137.222.255.25565,536
137.253.0.0137.253.255.25565,536
138.38.0.0138.38.255.25565,536
138.40.0.0138.40.255.25565,536
138.250.0.0138.251.255.255131,072
138.253.0.0138.253.255.25565,536
139.133.0.0139.133.255.25565,536
139.153.0.0139.153.255.25565,536
139.166.0.0139.166.255.25565,536
139.184.0.0139.184.255.25565,536
139.222.0.0139.222.255.25565,536
140.97.0.0140.97.255.25565,536
141.163.0.0141.163.111.25528,672
141.241.0.0141.241.255.25565,536
143.52.0.0143.53.255.255131,072
143.117.0.0143.117.255.25565,536
143.167.0.0143.167.255.25565,536
143.210.0.0143.210.255.25565,536
143.234.0.0143.234.255.25565,536
144.32.0.0144.32.255.25565,536
144.82.0.0144.82.255.25565,536
144.124.0.0144.124.127.25532,768
144.173.0.0144.173.255.25565,536
146.87.0.0146.87.255.25565,536
146.97.0.0146.97.255.25565,536
146.169.0.0146.169.255.25565,536
146.176.0.0146.176.255.25565,536
146.179.0.0146.179.255.25565,536
146.191.0.0146.191.255.25565,536
146.227.0.0146.227.255.25565,536
147.143.0.0147.143.255.25565,536
147.188.0.0147.188.255.25565,536
147.197.0.0147.197.255.25565,536
148.79.0.0148.79.255.25565,536
148.88.0.0148.88.255.25565,536
148.197.0.0148.197.255.25565,536
149.155.0.0149.155.255.25565,536
149.170.0.0149.170.55.25514,336
149.170.64.0149.170.143.25520,480
149.170.160.0149.170.175.2554,096
149.170.184.0149.170.199.2554,096
149.170.208.0149.170.223.2554,096
149.170.240.0149.170.255.2554,096
150.204.0.0150.204.255.25565,536
152.71.0.0152.71.255.25565,536
152.78.0.0152.78.255.25565,536
152.105.0.0152.105.255.25565,536
155.198.0.0155.198.255.25565,536
155.245.0.0155.245.255.25565,536
157.140.0.0157.140.255.25565,536
157.228.0.0157.228.15.2554,096
158.94.0.0158.94.31.2558,192
158.94.224.0158.94.255.2558,192
158.125.0.0158.125.255.25565,536
158.143.0.0158.143.255.25565,536

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 45.88.80.0, 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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