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AS137718
VOLCANO-ENGINE Beijing Volcano Engine Technology Co., Ltd.

AS137718 announces 629,760 IPv4 addresses across 29 routed ranges, registered in CN. Figures come from the public global routing table and are refreshed daily.

630K addressesIPv4 space announced
29Routed ranges
CNRegistry country

Is AS137718 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 29 announced ranges.

Range startRange endAddresses
14.103.0.014.103.57.25514,848
14.103.58.014.103.255.25550,688
101.96.192.0101.96.255.25516,384
101.126.0.0101.126.72.25518,688
101.126.73.0101.126.73.255256
101.126.74.0101.126.111.2559,728
101.126.128.0101.126.159.2558,192
101.126.172.0101.126.223.25513,312
101.126.228.0101.126.255.2557,168
115.190.0.0115.191.79.25586,016
118.145.32.0118.145.47.2554,096
118.145.64.0118.145.119.25514,336
118.145.128.0118.145.167.25510,240
118.145.176.0118.145.255.25520,480
118.196.0.0118.196.58.25515,104
118.196.59.0118.196.60.255512
118.196.61.0118.197.95.25574,496
119.16.0.0119.16.191.25549,152
120.130.0.0120.130.95.25524,576
124.174.0.0124.175.255.255131,072
180.184.0.0180.184.7.2552,048
180.184.14.0180.184.14.255256
180.184.16.0180.184.16.255256
180.184.24.0180.184.101.25519,968
180.184.102.0180.184.137.2559,216
180.184.138.0180.184.155.2554,608
180.184.160.0180.184.187.2557,168
180.184.190.0180.184.210.2555,376
180.184.211.0180.184.255.25511,520

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 14.103.0.0, 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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