AS201021 OnurBilisim-AS Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri

OnurBilisim-AS Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri · registered in Turkey

IPv4 addresses11,26435 prefixes · <0.001% of announced IPv4

Rank in Turkey#47largest network in TR by IPv4 space, of 872 · 0.07% of TR

Rank worldwide#8,623of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryTurkey888 ASNs registered there

Open AS201021 in ASN lookup Look up an IP in this network (13.143.211.1) All networks in Turkey

IPv4 prefixes

All 35 prefixes, in address order.

13.143.211.0/24
13.143.218.0/24
13.143.226.0/24
13.143.238.0/24
13.143.250.0/24
31.77.58.0/24
78.17.182.0/24
78.17.255.0/24
89.125.20.0/24
89.125.252.0/24
104.143.203.0/24
104.143.216.0/24
132.243.72.0/24
132.243.75.0/24
162.35.226.0/24
162.35.228.0/24
163.5.39.0/24
163.5.66.0/24
163.5.182.0/24
163.5.237.0/24
163.5.246.0/24
185.28.60.0/22
185.84.183.0/24
185.103.196.0/22
185.106.20.0/22
185.176.95.0/24
192.124.188.0/24
194.87.75.0/24
194.87.229.0/24
195.133.43.0/24
195.133.95.0/24
201.10.81.0/24
201.10.95.0/24
212.192.10.0/24
212.192.209.0/24

Similar-sized networks in Turkey

ASNNameIPv4 addresses

AS42846#44 guzelhosting GNET Internet Telekomunikasyon A.S.11,520

AS48207#45 GLBBULUTTEKNOLOJISI-AS GLB Bulut Teknolojisi Limited Sirketi11,520

AS21245#46 Medianova MEDIANOVA INTERNET HIZMETLERI VE TICARET ANONIM SIRKETI11,264

AS43352#48 TELETEK-CLOUD Teletek Bulut Bilisim ve Iletisim Hizmetleri A.S.11,008

AS201411#49 goknet GOKNET iletisim A.S.10,752

AS8456#50 ASBOUN Bogazici University10,752

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources