AS57378 — ROSTOV-AS JSC "ER-Telecom Holding"

AS57378 announces 24 IPv4 prefixes covering 64,512 addresses and 1 IPv6 prefixes.

About this network

ROSTOV-AS is operated by JSC "ER-Telecom Holding".

What it's used for

• The address space carries dynamic residential broadband, with netnames such as ERTH-ROSTOV-DYNAMIC-PPPOE-176-NET and ERTH-ROSTOV-PPPOE-20-NET, and reverse DNS entries like 5x165x244x0.dynamic.rostov.ertelecom.ru.
• The AS announces 64,512 IPv4 addresses across 41 prefixes and 1 IPv6 prefix, while maintaining only 1 observed neighbour, a ratio characteristic of an access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs for fixed-line broadband services in regions including Rostov-na-Donu, Penza, Chelny, and Novosibirsk.

Notable

• Registrants consistently identify JSC "ER-Telecom Holding" and its Rostov-na-Donu branch, aligning with the AS holder.
• The inventory is finely subdivided into /20, /21, and /22 blocks, reflecting site-by-site segmentation for different regional branches and access technologies.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 5.3.232.0/21
• 5.165.176.0/21
• 5.165.240.0/20
• 5.166.232.0/21
• 5.167.48.0/21
• 5.167.112.0/20
• 37.112.32.0/21
• 37.112.224.0/20
• 46.147.96.0/19
• 46.147.208.0/20
• 46.147.240.0/21
• 79.136.176.0/20
• 92.243.112.0/21
• 94.180.56.0/21
• 94.181.60.0/23
• 94.181.62.0/24
• 109.195.224.0/20
• 176.212.32.0/20
• 176.212.56.0/21
• 176.213.32.0/21
• 176.213.136.0/21
• 176.214.176.0/21
• 188.187.208.0/21
• 188.187.219.0/24
• 2a02:2698:6000::/38

Upstream networks

• AS9049 JSC "ER-Telecom Holding"

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"

Routing security

• RPKI: 7 valid, 0 invalid and 86 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 84% of announcements registered; 139 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-ERTH-CITIES, AS-HURRICANEV6, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-ROSTOV, AS209141:AS-RUCUST.