Autonomous System
AS9021 Is Net Elektonik Bilgi Uretim Dagitim Ticaret ve Iletisim Hizmetleri A.S.
ISPActiveTürkiyeRIPE
AS9021 (ISNET) is an ISP network operated by Is Net Elektonik Bilgi Uretim Dagitim Ticaret ve Iletisim Hizmetleri A.S. in Türkiye, registered with RIPE. It has 152 IPv4 prefixes with 307,968 addresses and 1 IPv6 prefix, which makes it the 939th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses307,968in 152 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#939of 82,141 active ASNs
Details
OrganizationIs Net Elektonik Bilgi Uretim Dagitim Ticaret ve Iletisim Hizmetleri A.S.
AS nameISNET
Websiteis.net.tr
Country Türkiye (TR)
Network typeISP
RegistryRIPE
Abuse contactabuse@is.net.tr
Registered2002-08-27
Last updated2026-08-12
IPv4 prefixes
152 prefixes · 307,968 addresses| Network | Addresses | First – last address |
|---|---|---|
| 90.158.0.0/16 | 65,536 | 90.158.0.0 – 90.158.255.255 |
| 90.159.0.0/16 | 65,536 | 90.159.0.0 – 90.159.255.255 |
| 90.158.128.0/17 | 32,768 | 90.158.128.0 – 90.158.255.255 |
| 90.158.0.0/18 | 16,384 | 90.158.0.0 – 90.158.63.255 |
| 90.159.64.0/18 | 16,384 | 90.159.64.0 – 90.159.127.255 |
| 212.98.0.0/19 | 8,192 | 212.98.0.0 – 212.98.31.255 |
| 213.161.128.0/19 | 8,192 | 213.161.128.0 – 213.161.159.255 |
| 90.158.48.0/20 | 4,096 | 90.158.48.0 – 90.158.63.255 |
| 90.158.112.0/20 | 4,096 | 90.158.112.0 – 90.158.127.255 |
| 90.159.128.0/20 | 4,096 | 90.159.128.0 – 90.159.143.255 |
| 90.159.240.0/20 | 4,096 | 90.159.240.0 – 90.159.255.255 |
| 212.98.0.0/20 | 4,096 | 212.98.0.0 – 212.98.15.255 |
| 213.143.224.0/20 | 4,096 | 213.143.224.0 – 213.143.239.255 |
| 213.143.240.0/20 | 4,096 | 213.143.240.0 – 213.143.255.255 |
| 90.158.64.0/21 | 2,048 | 90.158.64.0 – 90.158.71.255 |
| 90.158.128.0/21 | 2,048 | 90.158.128.0 – 90.158.135.255 |
| 90.158.136.0/21 | 2,048 | 90.158.136.0 – 90.158.143.255 |
| 90.158.240.0/21 | 2,048 | 90.158.240.0 – 90.158.247.255 |
| 90.158.248.0/21 | 2,048 | 90.158.248.0 – 90.158.255.255 |
| 90.159.136.0/21 | 2,048 | 90.159.136.0 – 90.159.143.255 |
| 212.98.8.0/21 | 2,048 | 212.98.8.0 – 212.98.15.255 |
| 212.98.16.0/21 | 2,048 | 212.98.16.0 – 212.98.23.255 |
| 213.161.128.0/21 | 2,048 | 213.161.128.0 – 213.161.135.255 |
| 213.161.152.0/21 | 2,048 | 213.161.152.0 – 213.161.159.255 |
| 90.158.0.0/22 | 1,024 | 90.158.0.0 – 90.158.3.255 |
90.158.0.0/16 90.159.0.0/16 90.158.128.0/17 90.158.0.0/18 90.159.64.0/18 212.98.0.0/19 213.161.128.0/19 90.158.48.0/20 90.158.112.0/20 90.159.128.0/20 90.159.240.0/20 212.98.0.0/20 213.143.224.0/20 213.143.240.0/20 90.158.64.0/21 90.158.128.0/21 90.158.136.0/21 90.158.240.0/21 90.158.248.0/21 90.159.136.0/21 212.98.8.0/21 212.98.16.0/21 213.161.128.0/21 213.161.152.0/21 90.158.0.0/22
The 25 largest of 152. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2a00:1f90::/32
2a00:1f90::/32
Query AS9021 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=AS9021&key=YOUR_API_KEY"Any address in its prefixes resolves to AS9021, with or without a key:
curl "https://api.ipapi.is/?q=90.158.0.1"Largest networks in Türkiye
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