Autonomous System
AS28787 Aztelekom LLC
ISPActiveAzerbaijanRIPE
AS28787 (AS-AZTELEKOM) is an ISP network operated by Aztelekom LLC in Azerbaijan, registered with RIPE. It has 26 IPv4 prefixes with 68,864 addresses, which makes it the 3,078th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses68,864in 26 prefixes
IPv6 prefixes0none
Size rank#3,078of 82,200 active ASNs
Details
OrganizationAztelekom LLC
AS nameAS-AZTELEKOM
Websiteaztelekom.az
Country Azerbaijan (AZ)
Network typeISP
RegistryRIPE
Abuse contactabuse@aztelekom.az
Registered2003-02-24
Last updated2026-02-12
IPv4 prefixes
26 prefixes · 68,864 addresses| Network | Addresses | First – last address |
|---|---|---|
| 37.61.0.0/17 | 32,768 | 37.61.0.0 – 37.61.127.255 |
| 188.253.128.0/19 | 8,192 | 188.253.128.0 – 188.253.159.255 |
| 213.154.0.0/19 | 8,192 | 213.154.0.0 – 213.154.31.255 |
| 81.17.80.0/20 | 4,096 | 81.17.80.0 – 81.17.95.255 |
| 217.64.16.0/20 | 4,096 | 217.64.16.0 – 217.64.31.255 |
| 37.61.112.0/22 | 1,024 | 37.61.112.0 – 37.61.115.255 |
| 37.61.116.0/22 | 1,024 | 37.61.116.0 – 37.61.119.255 |
| 37.61.120.0/22 | 1,024 | 37.61.120.0 – 37.61.123.255 |
| 37.61.124.0/22 | 1,024 | 37.61.124.0 – 37.61.127.255 |
| 188.253.208.0/22 | 1,024 | 188.253.208.0 – 188.253.211.255 |
| 188.253.212.0/22 | 1,024 | 188.253.212.0 – 188.253.215.255 |
| 188.253.216.0/22 | 1,024 | 188.253.216.0 – 188.253.219.255 |
| 188.253.220.0/22 | 1,024 | 188.253.220.0 – 188.253.223.255 |
| 37.61.79.0/24 | 256 | 37.61.79.0 – 37.61.79.255 |
| 81.17.82.0/24 | 256 | 81.17.82.0 – 81.17.82.255 |
| 188.253.254.0/24 | 256 | 188.253.254.0 – 188.253.254.255 |
| 188.253.255.0/24 | 256 | 188.253.255.0 – 188.253.255.255 |
| 194.135.172.0/24 | 256 | 194.135.172.0 – 194.135.172.255 |
| 194.135.173.0/24 | 256 | 194.135.173.0 – 194.135.173.255 |
| 194.135.174.0/24 | 256 | 194.135.174.0 – 194.135.174.255 |
| 194.135.175.0/24 | 256 | 194.135.175.0 – 194.135.175.255 |
| 194.135.176.0/24 | 256 | 194.135.176.0 – 194.135.176.255 |
| 194.135.177.0/24 | 256 | 194.135.177.0 – 194.135.177.255 |
| 194.135.178.0/24 | 256 | 194.135.178.0 – 194.135.178.255 |
| 194.135.179.0/24 | 256 | 194.135.179.0 – 194.135.179.255 |
37.61.0.0/17 188.253.128.0/19 213.154.0.0/19 81.17.80.0/20 217.64.16.0/20 37.61.112.0/22 37.61.116.0/22 37.61.120.0/22 37.61.124.0/22 188.253.208.0/22 188.253.212.0/22 188.253.216.0/22 188.253.220.0/22 37.61.79.0/24 81.17.82.0/24 188.253.254.0/24 188.253.255.0/24 194.135.172.0/24 194.135.173.0/24 194.135.174.0/24 194.135.175.0/24 194.135.176.0/24 194.135.177.0/24 194.135.178.0/24 194.135.179.0/24
The 25 largest of 26. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS28787 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=AS28787&key=YOUR_API_KEY"Any address in its prefixes resolves to AS28787, with or without a key:
curl "https://api.ipapi.is/?q=37.61.0.1"