Autonomous System

AS201021 Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri

HostingActiveTürkiyeRIPE

AS201021 (OnurBilisim-AS) is a hosting network operated by Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri in Türkiye, registered with RIPE. It has 47 IPv4 prefixes with 12,032 addresses, which makes it the 9,338th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses12,032in 47 prefixes
IPv6 prefixes0none
Size rank#9,338of 82,283 active ASNs
Abuser scoreElevated1.03% of its addresses flagged · method

Details

OrganizationAhmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri
AS nameOnurBilisim-AS
Websiteonurbilisim.com.tr
Country Türkiye (TR)
Network typeHosting
RegistryRIPE
Abuse contactabuse@onurbilisim.com.tr
Registered2015-02-18
Last updated2026-06-29

IPv4 prefixes

47 prefixes · 12,032 addresses
NetworkAddressesFirst – last address
13.143.211.0/2425613.143.211.0 – 13.143.211.255
13.143.218.0/2425613.143.218.0 – 13.143.218.255
13.143.226.0/2425613.143.226.0 – 13.143.226.255
13.143.238.0/2425613.143.238.0 – 13.143.238.255
13.143.250.0/2425613.143.250.0 – 13.143.250.255
31.77.58.0/2425631.77.58.0 – 31.77.58.255
77.81.100.0/2425677.81.100.0 – 77.81.100.255
78.17.182.0/2425678.17.182.0 – 78.17.182.255
78.17.255.0/2425678.17.255.0 – 78.17.255.255
89.37.194.0/2425689.37.194.0 – 89.37.194.255
89.125.20.0/2425689.125.20.0 – 89.125.20.255
89.125.252.0/2425689.125.252.0 – 89.125.252.255
93.115.105.0/2425693.115.105.0 – 93.115.105.255
104.143.203.0/24256104.143.203.0 – 104.143.203.255
104.143.216.0/24256104.143.216.0 – 104.143.216.255
132.243.72.0/24256132.243.72.0 – 132.243.72.255
132.243.75.0/24256132.243.75.0 – 132.243.75.255
162.35.226.0/24256162.35.226.0 – 162.35.226.255
162.35.228.0/24256162.35.228.0 – 162.35.228.255
163.5.39.0/24256163.5.39.0 – 163.5.39.255
163.5.66.0/24256163.5.66.0 – 163.5.66.255
163.5.182.0/24256163.5.182.0 – 163.5.182.255
163.5.237.0/24256163.5.237.0 – 163.5.237.255
163.5.246.0/24256163.5.246.0 – 163.5.246.255
185.28.60.0/24256185.28.60.0 – 185.28.60.255
The 25 largest of 47. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS201021 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS201021&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS201021, with or without a key:

curl "https://api.ipapi.is/?q=13.143.211.1"

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