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AS36937
Neotel-AS

AS36937 announces 881,152 IPv4 addresses across 29 routed ranges, registered in ZA. Figures come from the public global routing table and are refreshed daily.

881K addressesIPv4 space announced
29Routed ranges
ZARegistry country

Is AS36937 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
41.160.0.041.160.38.2559,984
41.160.39.041.160.88.25512,800
41.160.89.041.160.163.25519,200
41.160.164.041.160.165.255512
41.160.166.041.160.244.25520,224
41.160.245.041.162.47.25580,640
41.162.48.041.164.37.255128,512
41.164.38.041.164.129.25523,552
41.164.130.041.164.136.2551,792
41.164.137.041.164.139.255768
41.164.140.041.165.67.25547,104
41.165.68.041.165.255.25548,128
41.166.0.041.168.130.255164,608
41.168.131.041.168.135.2551,280
41.168.136.041.169.23.25536,864
41.169.24.041.169.55.2558,192
41.169.56.041.169.80.2556,400
41.169.81.041.170.2.25545,568
41.170.3.041.170.37.2558,960
41.170.39.041.172.255.255186,624
41.173.16.041.173.17.255512
41.173.19.041.173.19.255256
41.173.27.041.173.27.255256
41.173.64.041.173.159.25524,576
41.173.162.041.173.167.2551,536
41.173.170.041.173.171.255512
41.173.180.041.173.183.2551,024
41.217.194.041.217.195.255512
195.206.65.0195.206.65.255256

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 41.160.0.0, 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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