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 64 IPv4 prefixes with 16,384 addresses, which makes it the 7,905th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses16,384in 64 prefixes
IPv6 prefixes0none
Size rank#7,905of 82,200 active ASNs
Abuser scoreElevated1.62% 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

64 prefixes · 16,384 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
46.38.141.0/2425646.38.141.0 – 46.38.141.255
77.81.88.0/2425677.81.88.0 – 77.81.88.255
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
86.107.51.0/2425686.107.51.0 – 86.107.51.255
89.37.194.0/2425689.37.194.0 – 89.37.194.255
89.43.62.0/2425689.43.62.0 – 89.43.62.255
89.45.162.0/2425689.45.162.0 – 89.45.162.255
89.125.20.0/2425689.125.20.0 – 89.125.20.255
89.125.252.0/2425689.125.252.0 – 89.125.252.255
93.90.75.0/2425693.90.75.0 – 93.90.75.255
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
The 25 largest of 64. 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"

Largest networks in Türkiye

AS9121 Turk Telekomunikasyon Anonim Sirketi13,914,368 IPv4 addressesAS34984 Superonline Iletisim Hizmetleri A.S.2,072,320 IPv4 addressesAS16135 TURKCELL ILETISIM HIZMETLERI A.S.1,690,624 IPv4 addressesAS20978 TT Mobil Iletisim Hizmetleri A.S1,579,264 IPv4 addressesAS15897 Vodafone Telekomunikasyon A.S.1,315,072 IPv4 addressesAS15924 Vodafone Net Iletisim Hizmetler AS672,768 IPv4 addresses