Autonomous System
AS9049 JSC ER-Telecom Holding
ISPActiveRussiaRIPE
AS9049 (ERTH-TRANSIT-AS) is an ISP network operated by JSC ER-Telecom Holding in Russia, registered with RIPE. It has 38 IPv4 prefixes with 28,928 addresses and 3 IPv6 prefixes, which makes it the 5,617th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses28,928in 38 prefixes
IPv6 prefixes3≈ 8.0 × 10²⁸ addresses
Size rank#5,617of 82,141 active ASNs
Details
OrganizationJSC ER-Telecom Holding
AS nameERTH-TRANSIT-AS
Websiteertelecom.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@domru.ru
Registered2011-10-13
Last updated2026-09-18
IPv4 prefixes
38 prefixes · 28,928 addresses| Network | Addresses | First – last address |
|---|---|---|
| 188.234.128.0/20 | 4,096 | 188.234.128.0 – 188.234.143.255 |
| 83.172.48.0/21 | 2,048 | 83.172.48.0 – 83.172.55.255 |
| 188.234.72.0/21 | 2,048 | 188.234.72.0 – 188.234.79.255 |
| 188.234.128.0/21 | 2,048 | 188.234.128.0 – 188.234.135.255 |
| 188.234.136.0/21 | 2,048 | 188.234.136.0 – 188.234.143.255 |
| 188.234.152.0/21 | 2,048 | 188.234.152.0 – 188.234.159.255 |
| 188.234.128.0/22 | 1,024 | 188.234.128.0 – 188.234.131.255 |
| 188.234.132.0/22 | 1,024 | 188.234.132.0 – 188.234.135.255 |
| 188.234.136.0/22 | 1,024 | 188.234.136.0 – 188.234.139.255 |
| 188.234.140.0/22 | 1,024 | 188.234.140.0 – 188.234.143.255 |
| 188.234.144.0/22 | 1,024 | 188.234.144.0 – 188.234.147.255 |
| 188.234.152.0/22 | 1,024 | 188.234.152.0 – 188.234.155.255 |
| 188.234.156.0/22 | 1,024 | 188.234.156.0 – 188.234.159.255 |
| 31.131.196.0/23 | 512 | 31.131.196.0 – 31.131.197.255 |
| 31.131.198.0/23 | 512 | 31.131.198.0 – 31.131.199.255 |
| 188.234.144.0/23 | 512 | 188.234.144.0 – 188.234.145.255 |
| 188.234.146.0/23 | 512 | 188.234.146.0 – 188.234.147.255 |
| 5.3.85.0/24 | 256 | 5.3.85.0 – 5.3.85.255 |
| 37.230.237.0/24 | 256 | 37.230.237.0 – 37.230.237.255 |
| 88.204.106.0/24 | 256 | 88.204.106.0 – 88.204.106.255 |
| 188.234.72.0/24 | 256 | 188.234.72.0 – 188.234.72.255 |
| 188.234.128.0/24 | 256 | 188.234.128.0 – 188.234.128.255 |
| 188.234.129.0/24 | 256 | 188.234.129.0 – 188.234.129.255 |
| 188.234.130.0/24 | 256 | 188.234.130.0 – 188.234.130.255 |
| 188.234.131.0/24 | 256 | 188.234.131.0 – 188.234.131.255 |
188.234.128.0/20 83.172.48.0/21 188.234.72.0/21 188.234.128.0/21 188.234.136.0/21 188.234.152.0/21 188.234.128.0/22 188.234.132.0/22 188.234.136.0/22 188.234.140.0/22 188.234.144.0/22 188.234.152.0/22 188.234.156.0/22 31.131.196.0/23 31.131.198.0/23 188.234.144.0/23 188.234.146.0/23 5.3.85.0/24 37.230.237.0/24 88.204.106.0/24 188.234.72.0/24 188.234.128.0/24 188.234.129.0/24 188.234.130.0/24 188.234.131.0/24
The 25 largest of 38. The API and the database have all of them.
IPv6 prefixes
3 prefixes- 2a03:1ac0::/32
- 2a02:2698:a100::/40
- 2a02:2698:a200::/40
2a03:1ac0::/32 2a02:2698:a100::/40 2a02:2698:a200::/40
Query AS9049 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=AS9049&key=YOUR_API_KEY"Any address in its prefixes resolves to AS9049, with or without a key:
curl "https://api.ipapi.is/?q=188.234.128.1"Other networks of JSC ER-Telecom Holding
6 of 50AS41733 JSC ER-Telecom Holding408,064 IPv4 addressesAS51604 JSC ER-Telecom Holding265,472 IPv4 addressesAS12768 JSC ER-Telecom Holding247,808 IPv4 addressesAS56981 JSC ER-Telecom Holding245,504 IPv4 addressesAS42682 JSC ER-Telecom Holding222,464 IPv4 addressesAS31363 JSC ER-Telecom Holding203,264 IPv4 addresses