AS59713 — ERTH-KURSK-AS

AS59713 announces 9 IPv4 prefixes covering 19,712 addresses and 1 IPv6 prefixes.

About this network

ERTH-KURSK-AS is operated by JSC "ER-Telecom Holding" Kursk Branch.

What it's used for

• The address space carries residential and business subscriber traffic, evidenced by netnames such as ERTH-KURSK-PPPOE-15-NET and ERTH-LIPETSK-PPPOE-21-NET, and reverse DNS entries like dynamic.kursk.ertelecom.ru and static-customer.kursk.ertelecom.ru.
• The AS announces 19,712 IPv4 addresses across 17 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, indicating a local access network rather than a transit provider.
• Traffic consists of broadband subscriber connections, including dynamic PPPoE and static customer IPs, serving the Kursk region and surrounding areas.

Notable

• Registrants consistently identify JSC "ER-Telecom Holding" Kursk Branch or its Network Operation Center, aligning with the AS handle and announced space.
• The inventory includes prefixes registered to different regional branches, such as barnaul.ertelecom.ru in reverse DNS, reflecting ER-Telecom's multi-regional structure under a single holding company.
• The address inventory is finely subdivided into /21, /22, /23, and /24 blocks, typical of a regional ISP managing distinct customer pools.

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

Announced prefixes

• 5.3.21.0/24
• 78.139.208.0/21
• 109.194.48.0/20
• 176.214.128.0/19
• 188.187.136.0/21
• 188.187.216.0/23
• 188.187.218.0/24
• 188.187.220.0/24
• 188.234.168.0/21
• 2a02:2698:3800::/38

Upstream networks

• AS9049 JSC "ER-Telecom Holding"

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"

Routing security

• RPKI: 3 valid, 0 invalid and 26 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 93% of announcements registered; 71 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-ER-KURSK, AS-ERTH-CITIES, AS-HURRICANEV6, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS209141:AS-RUCUST.