Autonomous System
AS41661 JSC ER-Telecom Holding
ISPActiveRussiaRIPE
AS41661 (ERTH-CHEL-AS) is an ISP network operated by JSC ER-Telecom Holding in Russia, registered with RIPE. It has 39 IPv4 prefixes with 70,400 addresses and 5 IPv6 prefixes, which makes it the 2,991st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses70,400in 39 prefixes
IPv6 prefixes5≈ 1.2 × 10²⁷ addresses
Size rank#2,991of 82,200 active ASNs
Details
OrganizationJSC ER-Telecom Holding
AS nameERTH-CHEL-AS
Websiteertelecom.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@domru.ru
Registered2006-10-02
Last updated2026-03-20
IPv4 prefixes
39 prefixes · 70,400 addresses| Network | Addresses | First – last address |
|---|---|---|
| 37.113.128.0/18 | 16,384 | 37.113.128.0 – 37.113.191.255 |
| 95.78.128.0/18 | 16,384 | 95.78.128.0 – 95.78.191.255 |
| 94.181.32.0/20 | 4,096 | 94.181.32.0 – 94.181.47.255 |
| 5.166.224.0/21 | 2,048 | 5.166.224.0 – 5.166.231.255 |
| 188.186.48.0/21 | 2,048 | 188.186.48.0 – 188.186.55.255 |
| 5.166.224.0/22 | 1,024 | 5.166.224.0 – 5.166.227.255 |
| 5.166.228.0/22 | 1,024 | 5.166.228.0 – 5.166.231.255 |
| 37.113.136.0/22 | 1,024 | 37.113.136.0 – 37.113.139.255 |
| 37.113.140.0/22 | 1,024 | 37.113.140.0 – 37.113.143.255 |
| 37.113.144.0/22 | 1,024 | 37.113.144.0 – 37.113.147.255 |
| 37.113.148.0/22 | 1,024 | 37.113.148.0 – 37.113.151.255 |
| 37.113.152.0/22 | 1,024 | 37.113.152.0 – 37.113.155.255 |
| 37.113.156.0/22 | 1,024 | 37.113.156.0 – 37.113.159.255 |
| 37.113.160.0/22 | 1,024 | 37.113.160.0 – 37.113.163.255 |
| 37.113.164.0/22 | 1,024 | 37.113.164.0 – 37.113.167.255 |
| 37.113.168.0/22 | 1,024 | 37.113.168.0 – 37.113.171.255 |
| 37.113.172.0/22 | 1,024 | 37.113.172.0 – 37.113.175.255 |
| 37.113.176.0/22 | 1,024 | 37.113.176.0 – 37.113.179.255 |
| 37.113.180.0/22 | 1,024 | 37.113.180.0 – 37.113.183.255 |
| 37.113.184.0/22 | 1,024 | 37.113.184.0 – 37.113.187.255 |
| 91.144.132.0/22 | 1,024 | 91.144.132.0 – 91.144.135.255 |
| 94.181.36.0/22 | 1,024 | 94.181.36.0 – 94.181.39.255 |
| 94.181.40.0/22 | 1,024 | 94.181.40.0 – 94.181.43.255 |
| 95.78.128.0/22 | 1,024 | 95.78.128.0 – 95.78.131.255 |
| 95.78.132.0/22 | 1,024 | 95.78.132.0 – 95.78.135.255 |
37.113.128.0/18 95.78.128.0/18 94.181.32.0/20 5.166.224.0/21 188.186.48.0/21 5.166.224.0/22 5.166.228.0/22 37.113.136.0/22 37.113.140.0/22 37.113.144.0/22 37.113.148.0/22 37.113.152.0/22 37.113.156.0/22 37.113.160.0/22 37.113.164.0/22 37.113.168.0/22 37.113.172.0/22 37.113.176.0/22 37.113.180.0/22 37.113.184.0/22 91.144.132.0/22 94.181.36.0/22 94.181.40.0/22 95.78.128.0/22 95.78.132.0/22
The 25 largest of 39. The API and the database have all of them.
IPv6 prefixes
5 prefixes- 2a02:2698:9000::/38
- 2a02:2698:9022::/47
- 2a02:2698:9024::/47
- 2a02:2698:902a::/48
- 2a02:2698:902b::/48
2a02:2698:9000::/38 2a02:2698:9022::/47 2a02:2698:9024::/47 2a02:2698:902a::/48 2a02:2698:902b::/48
Query AS41661 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=AS41661&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS41661, with or without a key:
curl "https://api.ipapi.is/?q=37.113.128.1"
Other networks of JSC ER-Telecom Holding
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