| 91.0.0.0/8 | WHOIS (RIPE_NCC) | RIPE-NCC-MANAGED-ADDRESS-BLOCK | — |
| 91.185.32.0/19 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.32.0/19 | WHOIS (RIPE_NCC) | JSC "ER-Telecom Holding" | RU |
| 91.185.32.0/19 | RIPE_NCC assigned | — | RU |
| 91.185.32.0/22 | WHOIS (RIPE_NCC) | ADSL in Angrask, Irkutsk | RU |
| 91.185.36.0/22 | WHOIS (RIPE_NCC) | ADSL in Baikalsk, Sludyanka | RU |
| 91.185.52.0/22 | WHOIS (RIPE_NCC) | ADSL address pool | RU |
| 91.185.56.0/22 | WHOIS (RIPE_NCC) | Subnetwork for IPN Access | RU |
| 91.185.60.0/22 | WHOIS (RIPE_NCC) | Subnetwork for PPPoE Access | RU |
| 91.185.40.0/23 | BGP route | AS51034 JSC "ER-Telecom Holding" | — |
| 91.185.40.0/23 | WHOIS (RIPE_NCC) | JSC "Delovaya Set - Chermhovo" | RU |
| 91.185.46.0/23 | WHOIS (RIPE_NCC) | Subnetwork for PPPoE Access | RU |
| 91.185.48.0/23 | WHOIS (RIPE_NCC) | DSI Access network | RU |
| 91.185.50.0/23 | WHOIS (RIPE_NCC) | Subnetwork for PPPoE Access | RU |
| 91.185.33.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.42.0/24 | WHOIS (RIPE_NCC) | Access in Tulun | RU |
| 91.185.43.0/24 | WHOIS (RIPE_NCC) | DSI Shelekhov - clients network | RU |
| 91.185.44.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.44.0/24 | WHOIS (RIPE_NCC) | PPPoE clients Network | RU |
| 91.185.45.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.52.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.53.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.54.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.55.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.56.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.57.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.58.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.59.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.60.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.61.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.62.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |
| 91.185.63.0/24 | BGP route | AS8345 JSC "ER-Telecom Holding" | — |