| Network Description: | Core VoIP Network | |
| Organization: | JSC "ER-Telecom Holding" / ERTH-OREN-AS | |
| Country of Network: |  Russian Federation |
| Prefix | Description | Country |
|---|---|---|
| 5.3.128.0/20 | JSC "ER-Telecom Holding" | |
| 91.144.136.0/22 | ZAO "Company "ER-Telecom" Orenburg address space | |
| 92.255.240.0/24 | Enterprise customers | |
| 95.78.208.0/21 | Individual PPPoE customers | |
| 95.78.224.0/19 | JSC "ER-Telecom Holding" | |
| 188.186.192.0/18 | JSC "ER-Telecom Holding" | |
| 188.187.242.0/24 | Core VoIP Network | |
| 188.232.32.0/19 | JSC "ER-Telecom Holding" | |