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
Abuser scoreLow0.18% of its addresses flagged · method

Details

OrganizationJSC ER-Telecom Holding
AS nameERTH-CHEL-AS
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@domru.ru
Registered2006-10-02
Last updated2026-03-20

IPv4 prefixes

39 prefixes · 70,400 addresses
NetworkAddressesFirst – last address
37.113.128.0/1816,38437.113.128.0 – 37.113.191.255
95.78.128.0/1816,38495.78.128.0 – 95.78.191.255
94.181.32.0/204,09694.181.32.0 – 94.181.47.255
5.166.224.0/212,0485.166.224.0 – 5.166.231.255
188.186.48.0/212,048188.186.48.0 – 188.186.55.255
5.166.224.0/221,0245.166.224.0 – 5.166.227.255
5.166.228.0/221,0245.166.228.0 – 5.166.231.255
37.113.136.0/221,02437.113.136.0 – 37.113.139.255
37.113.140.0/221,02437.113.140.0 – 37.113.143.255
37.113.144.0/221,02437.113.144.0 – 37.113.147.255
37.113.148.0/221,02437.113.148.0 – 37.113.151.255
37.113.152.0/221,02437.113.152.0 – 37.113.155.255
37.113.156.0/221,02437.113.156.0 – 37.113.159.255
37.113.160.0/221,02437.113.160.0 – 37.113.163.255
37.113.164.0/221,02437.113.164.0 – 37.113.167.255
37.113.168.0/221,02437.113.168.0 – 37.113.171.255
37.113.172.0/221,02437.113.172.0 – 37.113.175.255
37.113.176.0/221,02437.113.176.0 – 37.113.179.255
37.113.180.0/221,02437.113.180.0 – 37.113.183.255
37.113.184.0/221,02437.113.184.0 – 37.113.187.255
91.144.132.0/221,02491.144.132.0 – 91.144.135.255
94.181.36.0/221,02494.181.36.0 – 94.181.39.255
94.181.40.0/221,02494.181.40.0 – 94.181.43.255
95.78.128.0/221,02495.78.128.0 – 95.78.131.255
95.78.132.0/221,02495.78.132.0 – 95.78.135.255
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

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

6 of 48

Largest networks in Russia