AS4387 Secretaria de Ciencia y Tecnologia - Red Cientific

Not flagged: treated as regular traffic

AS4387 is not on Fraudex's VPN, proxy and datacenter list, so its IPs are treated like ordinary home, mobile or business connections. A single address can still be flagged if it is a Tor exit relay.

CountryArgentina
IPv4 ranges8
IPv4 addresses19,712
IPv6 ranges0
Tor exits now0

Check an IP from AS4387

Look up any address in real time with the free IP checker, or from your own code:

curl "https://fraudex.xyz/api/check?ip=168.83.0.0" \
  -H "X-API-Key: fx_your_key"

The answer includes the network (AS4387), the country and a VPN, proxy, Tor and bot verdict, in under a millisecond. Plans start at $40 for 30 days of unlimited lookups.

IPv4 ranges announced by AS4387

First IPLast IPCIDRAddresses
168.83.0.0168.83.1.255168.83.0.0/23512
168.83.2.0168.83.15.255168.83.2.0/23, 168.83.4.0/22, 168.83.8.0/213,584
168.83.26.0168.83.26.255168.83.26.0/24256
168.83.30.0168.83.33.255168.83.30.0/23, 168.83.32.0/231,024
168.83.64.0168.83.67.255168.83.64.0/221,024
168.83.128.0168.83.143.255168.83.128.0/204,096
200.1.224.0200.1.255.255200.1.224.0/198,192
200.9.242.0200.9.245.255200.9.242.0/23, 200.9.244.0/231,024

Questions about AS4387

Is AS4387 a VPN or hosting network?

Fraudex does not list AS4387 (Secretaria de Ciencia y Tecnologia - Red Cientific) as a VPN, proxy or hosting network. Its addresses are treated as regular traffic, apart from any Tor exit relays.

Which country is AS4387 registered in?

AS4387 is registered in Argentina. Individual addresses can be used elsewhere, so check the IP itself when location matters.

How many IP addresses does AS4387 have?

It announces 8 IPv4 ranges with 19,712 addresses in total.

How do I block traffic from AS4387?

Blocking a whole network by number goes stale as ranges change hands. It is more reliable to check each visitor's IP when they sign up, log in or pay: the Fraudex API returns the network and a VPN and bot verdict, so you can block, challenge or just log flagged traffic. See why an IP blocking API pays for itself.

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