Autonomous System
AS21127 Joint Stock Company TransTeleCom
ISPActiveRussiaRIPE
AS21127 (ZSTTKAS) is an ISP network operated by Joint Stock Company TransTeleCom in Russia, registered with RIPE. It has 48 IPv4 prefixes with 248,320 addresses and 3 IPv6 prefixes, which makes it the 1,110th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses248,320in 48 prefixes
IPv6 prefixes3≈ 7.9 × 10²⁸ addresses
Size rank#1,110of 82,200 active ASNs
Details
OrganizationJoint Stock Company TransTeleCom
AS nameZSTTKAS
Websitettk.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@ttk.ru
Registered2002-08-01
Last updated2025-07-22
IPv4 prefixes
48 prefixes · 248,320 addresses| Network | Addresses | First – last address |
|---|---|---|
| 46.50.128.0/17 | 32,768 | 46.50.128.0 – 46.50.255.255 |
| 46.241.0.0/17 | 32,768 | 46.241.0.0 – 46.241.127.255 |
| 82.200.0.0/17 | 32,768 | 82.200.0.0 – 82.200.127.255 |
| 94.251.0.0/17 | 32,768 | 94.251.0.0 – 94.251.127.255 |
| 109.171.0.0/17 | 32,768 | 109.171.0.0 – 109.171.127.255 |
| 81.1.192.0/18 | 16,384 | 81.1.192.0 – 81.1.255.255 |
| 91.105.128.0/18 | 16,384 | 91.105.128.0 – 91.105.191.255 |
| 37.49.192.0/19 | 8,192 | 37.49.192.0 – 37.49.223.255 |
| 37.205.64.0/19 | 8,192 | 37.205.64.0 – 37.205.95.255 |
| 80.89.128.0/19 | 8,192 | 80.89.128.0 – 80.89.159.255 |
| 188.44.96.0/19 | 8,192 | 188.44.96.0 – 188.44.127.255 |
| 37.205.48.0/21 | 2,048 | 37.205.48.0 – 37.205.55.255 |
| 46.50.180.0/22 | 1,024 | 46.50.180.0 – 46.50.183.255 |
| 46.50.204.0/22 | 1,024 | 46.50.204.0 – 46.50.207.255 |
| 82.200.72.0/22 | 1,024 | 82.200.72.0 – 82.200.75.255 |
| 82.200.100.0/22 | 1,024 | 82.200.100.0 – 82.200.103.255 |
| 91.238.136.0/22 | 1,024 | 91.238.136.0 – 91.238.139.255 |
| 109.171.80.0/22 | 1,024 | 109.171.80.0 – 109.171.83.255 |
| 46.50.132.0/23 | 512 | 46.50.132.0 – 46.50.133.255 |
| 46.241.78.0/23 | 512 | 46.241.78.0 – 46.241.79.255 |
| 46.241.84.0/23 | 512 | 46.241.84.0 – 46.241.85.255 |
| 46.241.98.0/23 | 512 | 46.241.98.0 – 46.241.99.255 |
| 46.241.102.0/23 | 512 | 46.241.102.0 – 46.241.103.255 |
| 82.200.58.0/23 | 512 | 82.200.58.0 – 82.200.59.255 |
| 82.200.112.0/23 | 512 | 82.200.112.0 – 82.200.113.255 |
46.50.128.0/17 46.241.0.0/17 82.200.0.0/17 94.251.0.0/17 109.171.0.0/17 81.1.192.0/18 91.105.128.0/18 37.49.192.0/19 37.205.64.0/19 80.89.128.0/19 188.44.96.0/19 37.205.48.0/21 46.50.180.0/22 46.50.204.0/22 82.200.72.0/22 82.200.100.0/22 91.238.136.0/22 109.171.80.0/22 46.50.132.0/23 46.241.78.0/23 46.241.84.0/23 46.241.98.0/23 46.241.102.0/23 82.200.58.0/23 82.200.112.0/23
The 25 largest of 48. The API and the database have all of them.
IPv6 prefixes
3 prefixes- 2a02:2560::/32
- 2a02:2560:3::/48
- 2a02:2560:a1::/48
2a02:2560::/32 2a02:2560:3::/48 2a02:2560:a1::/48
Query AS21127 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=AS21127&key=YOUR_API_KEY"Any address in its prefixes resolves to AS21127, with or without a key:
curl "https://api.ipapi.is/?q=46.50.128.1"Other networks of Joint Stock Company TransTeleCom
6 of 12AS20485 Joint Stock Company TransTeleCom346,368 IPv4 addressesAS47241 Joint Stock Company TransTeleCom112,896 IPv4 addressesAS8427 Joint Stock Company TransTeleCom68,864 IPv4 addressesAS31364 Joint Stock Company TransTeleCom49,664 IPv4 addressesAS15974 Joint Stock Company TransTeleCom46,848 IPv4 addressesAS16285 Joint Stock Company TransTeleCom46,336 IPv4 addresses