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AS4771
SPARKNZ Spark New Zealand Trading Ltd.

AS4771 announces 827,904 IPv4 addresses across 109 routed ranges, registered in NZ. Figures come from the public global routing table and are refreshed daily.

828K addressesIPv4 space announced
109Routed ranges
NZRegistry country

Is AS4771 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 109 announced ranges.

Range startRange endAddresses
104.95.104.0104.95.107.2551,024
115.188.248.0115.189.63.25518,432
115.189.80.0115.189.111.2558,192
115.189.128.0115.189.143.2554,096
115.189.160.0115.189.191.2558,192
115.189.224.0115.189.255.2558,192
122.56.63.0122.56.63.255256
122.56.74.0122.56.79.2551,536
122.56.88.0122.56.91.2551,024
122.56.168.0122.56.171.2551,024
122.56.176.0122.56.187.2553,072
122.56.190.0122.56.215.2556,656
122.56.232.0122.56.235.2551,024
122.56.252.0122.58.191.255115,712
122.58.199.0122.58.247.25512,544
122.59.0.0122.62.87.255219,136
122.63.0.0122.63.159.25540,960
122.63.254.0122.63.255.255512
125.236.128.0125.236.247.25530,720
125.236.252.0125.236.255.2551,024
125.237.8.0125.237.63.25514,336
125.237.72.0125.237.111.25510,240
125.237.120.0125.237.135.2554,096
125.237.152.0125.237.191.25510,240
125.238.48.0125.238.55.2552,048
125.238.80.0125.238.103.2556,144
125.238.120.0125.238.127.2552,048
125.238.136.0125.238.167.2558,192
125.238.200.0125.238.255.25514,336
125.239.24.0125.239.39.2554,096
125.239.48.0125.239.55.2552,048
125.239.72.0125.239.111.25510,240
125.239.120.0125.239.151.2558,192
125.239.160.0125.239.175.2554,096
125.239.208.0125.239.239.2558,192
144.66.99.0144.66.102.2551,024
144.66.115.0144.66.115.255256
144.66.119.0144.66.119.255256
144.66.244.0144.66.244.255256
155.59.242.0155.59.243.255512
184.27.240.0184.27.243.2551,024
192.195.12.0192.195.13.255512
202.27.51.0202.27.51.255256
202.27.53.0202.27.54.255512
202.27.56.0202.27.57.255512
202.27.170.0202.27.170.255256
202.49.48.0202.49.48.255256
203.96.119.0203.96.119.255256
210.54.32.0210.54.39.2552,048
210.54.64.0210.54.83.2555,120
210.54.88.0210.54.90.255768
210.54.96.0210.54.107.2553,072
210.54.118.0210.54.118.255256
210.54.120.0210.54.120.255256
210.54.213.0210.54.213.255256
210.54.238.0210.54.239.255512
210.54.242.0210.54.242.255256
210.54.249.0210.54.249.255256
210.55.57.0210.55.58.255512
210.55.72.0210.55.73.255512
210.55.76.0210.55.79.2551,024
210.55.88.0210.55.89.255512
210.55.108.0210.55.108.255256
210.55.198.0210.55.198.255256
210.55.213.0210.55.213.255256
210.55.218.0210.55.219.255512
210.55.227.0210.55.228.255512
210.55.240.0210.55.240.255256
210.86.0.0210.86.3.2551,024
210.86.26.0210.86.26.255256
210.86.28.0210.86.29.255512
219.88.64.0219.88.79.2554,096
219.88.101.0219.88.101.255256
219.88.123.0219.88.125.255768
219.88.127.0219.88.127.255256
219.88.168.0219.88.175.2552,048
219.88.184.0219.88.199.2554,096
219.88.200.0219.88.204.2551,280
219.88.205.0219.88.207.255768
219.88.224.0219.88.239.2554,096
219.89.80.0219.89.87.2552,048
219.89.96.0219.89.103.2552,048
219.89.108.0219.89.109.255512
219.89.112.0219.89.127.2554,096
219.89.160.0219.89.167.2552,048
219.89.176.0219.89.183.2552,048
219.89.192.0219.89.215.2556,144
222.152.0.0222.152.7.2552,048
222.152.72.0222.152.103.2558,192
222.152.128.0222.152.175.25512,288
222.152.184.0222.152.239.25514,336
222.153.0.0222.153.39.25510,240
222.153.48.0222.153.55.2552,048
222.153.64.0222.153.87.2556,144
222.153.96.0222.153.119.2556,144
222.153.136.0222.153.151.2554,096
222.153.160.0222.153.167.2552,048
222.153.176.0222.153.183.2552,048
222.153.192.0222.153.215.2556,144
222.153.223.0222.153.255.2558,448

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 104.95.104.0, 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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