AS56377 — MGSK-AS

AS56377 announces 6 IPv4 prefixes covering 16,640 addresses and 1 IPv6 prefixes.

About this network

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

What it's used for

• The address space carries residential and business subscriber traffic, evidenced by reverse DNS entries such as dynamic.mgn.ertelecom.ru, static-business.mgn.ertelecom.ru, and pppoe.mgn.ertelecom.ru.
• The AS announces 16,640 IPv4 addresses across 6 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, indicating a local access network rather than a transit provider.
• Traffic consists of subscriber eyeballs and VoIP services, as indicated by the netname ERTH-MGSK-VOIP-1-NET and the mix of dynamic and static business IP assignments.

Notable

• Registrants consistently identify as JSC "ER-Telecom Holding" or its Magnitogorsk Branch, aligning with the AS holder.
• The inventory includes prefixes registered to both the holding company and specific regional branches, such as the Magnitogorsk Branch and an Irkutsk-based dynamic range.
• The address inventory is subdivided into /20, /21, and /24 blocks, reflecting a structured allocation for different service types and regions.

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

Announced prefixes

• 5.164.48.0/20
• 109.163.240.0/21
• 109.195.208.0/20
• 176.215.192.0/20
• 176.215.208.0/21
• 188.187.231.0/24
• 2a02:2698:4000::/38

Upstream networks

• AS9049 JSC "ER-Telecom Holding"

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"

Routing security

• RPKI: 3 valid, 0 invalid and 17 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 90% of announcements registered; 47 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-ERTH-CITIES, AS-HURRICANEV6, AS-MAGNITOGORSK, AS-OMKC-PEERING-SET, AS-OMTT-SET, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS209141:AS-RUCUST.