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AS2516
KDDI KDDI CORPORATION

AS2516 announces 18,074,112 IPv4 addresses across 287 routed ranges, registered in JP. Figures come from the public global routing table and are refreshed daily.

18.1M addressesIPv4 space announced
287Routed ranges
JPRegistry country

Is AS2516 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 287 ranges.

Range startRange endAddresses
14.8.0.014.14.95.255417,792
14.101.0.014.101.255.25565,536
23.226.37.023.226.37.255256
23.226.45.023.226.45.255256
23.226.222.023.226.222.255256
23.239.164.023.239.164.255256
23.239.166.023.239.166.255256
27.80.0.027.95.255.2551,048,576
36.8.0.036.15.255.255524,288
36.255.236.036.255.239.2551,024
43.246.192.043.246.195.2551,024
45.116.224.045.116.227.2551,024
45.118.40.045.118.43.2551,024
45.121.148.045.121.151.2551,024
45.122.224.045.122.227.2551,024
45.124.216.045.124.219.2551,024
45.126.156.045.126.159.2551,024
45.127.28.045.127.31.2551,024
49.132.0.049.135.255.255262,144
59.128.0.059.129.255.255131,072
59.131.0.059.143.255.255851,968
59.153.140.059.153.143.2551,024
61.114.0.061.114.63.25516,384
61.117.0.061.117.255.25565,536
61.120.0.061.120.127.25532,768
61.198.128.061.198.255.25532,768
61.200.128.061.200.255.25532,768
61.202.0.061.202.127.25532,768
61.204.0.061.204.255.25565,536
61.215.0.061.215.127.25532,768
103.6.44.0103.6.47.2551,024
103.13.140.0103.13.143.2551,024
103.37.240.0103.37.243.2551,024
103.51.212.0103.51.215.2551,024
103.65.44.0103.65.47.2551,024
103.90.28.0103.90.31.2551,024
103.228.60.0103.228.63.2551,024
103.232.200.0103.232.203.2551,024
103.233.40.0103.233.43.2551,024
103.234.196.0103.234.199.2551,024
103.235.12.0103.235.15.2551,024
103.240.252.0103.240.255.2551,024
106.72.0.0106.73.255.255131,072
106.128.0.0106.153.243.2551,700,864
106.153.244.0106.184.126.2552,001,664
106.184.127.0106.186.86.255120,832
106.186.87.0106.187.125.25575,520
106.187.126.0106.191.255.255295,424
107.255.199.0107.255.199.255256
111.86.0.0111.87.255.255131,072
111.96.0.0111.111.255.2551,048,576
111.236.0.0111.239.255.255262,144
113.52.224.0113.52.227.2551,024
113.144.0.0113.154.255.255720,896
113.156.0.0113.159.255.255262,144
114.16.0.0114.22.255.255458,752
116.206.68.0116.206.71.2551,024
118.152.0.0118.159.255.255524,288
119.82.152.0119.82.159.2552,048
119.104.0.0119.107.255.255262,144
121.104.0.0121.111.255.255524,288
124.109.128.0124.109.147.2555,120
124.109.148.0124.109.149.255512
124.109.150.0124.109.158.2552,304
124.109.159.0124.109.183.2556,400
124.109.184.0124.109.255.25518,432
124.208.0.0124.215.255.255524,288
125.28.0.0125.29.255.255131,072
125.48.0.0125.55.255.255524,288
133.192.0.0133.192.139.25535,840
133.192.140.0133.192.149.2552,560
133.192.150.0133.192.187.2559,728
133.192.188.0133.192.255.25517,408
133.253.0.0133.253.255.25565,536
134.42.227.0134.42.227.255256
149.18.16.0149.18.16.255256
149.18.27.0149.18.27.255256
149.18.36.0149.18.36.255256
149.18.60.0149.18.61.255512
149.18.84.0149.18.84.255256
149.18.88.0149.18.88.255256
149.18.92.0149.18.92.255256
149.18.95.0149.18.95.255256
149.18.116.0149.18.116.255256
149.18.124.0149.18.125.255512
149.18.240.0149.18.240.255256
149.18.242.0149.18.242.255256
149.18.244.0149.18.244.255256
149.18.252.0149.18.252.255256
149.18.254.0149.18.254.255256
149.57.27.0149.57.27.255256
149.57.106.0149.57.106.255256
149.57.130.0149.57.130.255256
149.57.138.0149.57.138.255256
149.57.192.0149.57.192.255256
149.57.194.0149.57.194.255256
149.57.200.0149.57.200.255256
149.57.202.0149.57.202.255256
149.57.206.0149.57.206.255256
150.47.0.0150.47.255.25565,536

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 14.8.0.0, 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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