AS49048 — TVER-AS JSC "ER-Telecom Holding"

AS49048 announces 8 IPv4 prefixes covering 23,296 addresses and 10 IPv6 prefixes.

About this network

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

What it's used for

• The address space carries residential broadband and VoIP traffic, evidenced by reverse DNS entries such as dynamic.tver.ertelecom.ru and pppoe.tver.ertelecom.ru, as well as the netname ERTH-TVER-VOIP-1-NET.
• The AS announces 23,296 IPv4 addresses across 8 prefixes and 10 IPv6 prefixes, while maintaining only 1 observed neighbour, a ratio characteristic of an access network serving end-users rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs and VoIP media/signalling for the Tver region, consistent with ER-Telecom's role as a regional telecommunications operator.

Notable

• Registrants for the largest prefixes are consistent with the announcer, listing JSC "ER-Telecom Holding" and its Tver' Branch, with one prefix also referencing Enforta HQ.
• The address inventory is finely subdivided into multiple /20, /21, and /24 blocks, reflecting site-by-site segmentation within the corporate estate.

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

Announced prefixes

• 5.165.128.0/20
• 5.167.96.0/20
• 37.112.64.0/19
• 94.181.57.0/24
• 94.181.63.0/24
• 109.194.64.0/20
• 176.213.96.0/21
• 188.187.221.0/24
• 2a02:2698:7400::/39
• 2a02:2698:7601::/48
• 2a02:2698:7602::/47
• 2a02:2698:7604::/46
• 2a02:2698:7608::/45
• 2a02:2698:7610::/44
• 2a02:2698:7620::/43
• 2a02:2698:7640::/42
• 2a02:2698:7680::/41
• 2a02:2698:7700::/40

Upstream networks

• AS9049 JSC "ER-Telecom Holding"

Adjacent networks

• AS9049 JSC "ER-Telecom Holding"

Routing security

• RPKI: 5 valid, 0 invalid and 25 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 87% of announcements registered; 61 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-TVER, AS204464:AS-BLACKLIST, AS209141:AS-RUCUST.