AS50543 — SARATOV-AS JSC "ER-Telecom Holding"

AS50543 announces 20 IPv4 prefixes covering 61,440 addresses and 1 IPv6 prefixes.

About this network

The AS handle SARATOV-AS is held by JSC "ER-Telecom Holding".

What it's used for

• The address space carries residential and business subscriber traffic in Saratov, evidenced by netnames like ERTH-SARATOV-PPPOE-13-NET and reverse DNS entries such as dynamicip-188-235-175-254.pppoe.saratov.ertelecom.ru and static-business.saratov.ertelecom.ru.
• With 61,696 IPv4 addresses across 36 prefixes and only 1 observed neighbour, the high address-to-neighbour ratio indicates a local access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs, including dynamic PPPoE connections and static business lines for local customers.

Notable

• Registrants consistently identify JSC "ER-Telecom Holding" and its Saratov branch, aligning with the announcer.
• The inventory is finely subdivided into numerous /21 and /22 blocks, reflecting site-by-site segmentation for a regional ISP estate.

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

Announced prefixes

• 5.3.240.0/20
• 5.165.192.0/20
• 5.167.144.0/20
• 31.131.200.0/21
• 37.112.112.0/21
• 37.113.248.0/21
• 77.106.64.0/23
• 79.136.192.0/21
• 80.85.146.0/23
• 80.85.148.0/22
• 83.167.76.0/22
• 94.180.32.0/21
• 109.195.16.0/20
• 176.212.64.0/20
• 188.186.56.0/24
• 188.186.58.0/23
• 188.187.252.0/24
• 188.232.0.0/19
• 188.235.112.0/21
• 188.235.128.0/18
• 2a02:2698:7000::/38

Upstream networks

• AS9049 JSC "ER-Telecom Holding"

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"

Routing security

• RPKI: 7 valid, 0 invalid and 67 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 82% of announcements registered; 127 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-SARATOV, AS204464:AS-BLACKLIST, AS209141:AS-RUCUST.