AS25106 — MTSBY-AS Mobile TeleSystems JLLC

AS25106 announces 15 IPv4 prefixes covering 250,112 addresses and 1 IPv6 prefixes.

About this network

The AS handle MTSBY-AS is held by Mobile TeleSystems JLLC.

What it's used for

• The address space carries mobile and residential traffic, evidenced by netnames such as MTSBY and BY-MTS-20111103 registered to Mobile TeleSystems JLLC.
• The AS announces 250112 IPv4 addresses across 147 prefixes and 30 IPv6 prefixes, while maintaining only 11 observed neighbours, a ratio characteristic of an access network rather than a transit provider.

Notable

• All sampled registrants align with the announcer, consistently listing Mobile TeleSystems JLLC as the administrative contact.
• The address inventory is finely subdivided into numerous /20 and /19 blocks, reflecting site-by-site segmentation typical of a large mobile operator's internal estate.

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

Announced prefixes

• 46.56.40.0/21
• 46.56.48.0/20
• 46.56.64.0/18
• 46.216.0.0/16
• 87.252.242.0/23
• 93.125.123.0/24
• 95.130.84.0/24
• 134.17.0.0/17
• 134.17.128.0/18
• 134.17.192.0/19
• 134.17.224.0/20
• 176.60.0.0/16
• 178.168.128.0/17
• 185.20.112.0/22
• 217.21.61.0/24
• 2a02:bf0::/32

Upstream networks

• AS6697 Republican Unitary Telecommunication Enterprise Beltelecom
• AS60330 Belarusian Cloud Technologies LLC

Downstream networks

• AS213664 Idea Host Ltd
• AS48340 Axioma-Service Limited
• AS50205 Banking and Financial Network JSC
• AS206428 MEGADATA LLC
• AS13171 Belarusian State University
• AS57135 Open joint-stock company "Naftan"
• AS62170 JSC Sberbank
• AS49526 JSC MTBank

Adjacent networks

• AS6697 Republican Unitary Telecommunication Enterprise Beltelecom
• AS60330 Belarusian Cloud Technologies LLC
• AS213664 Idea Host Ltd
• AS206428 MEGADATA LLC
• AS48340 Axioma-Service Limited
• AS50205 Banking and Financial Network JSC
• AS13171 Belarusian State University
• AS57135 Open joint-stock company "Naftan"
• AS62170 JSC Sberbank
• AS49526 JSC MTBank

Routing security

• RPKI: 216 valid, 4 invalid and 11 not-found announcements; 93 ROAs.
• ASPA: none published.
• IRR: 89% of announcements registered; 305 route objects.
• Listed in as-sets: AS-HURRICANE, AS-HURRICANEV6, AS-MTSBY, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-TRANSROUTE-MNOGOBYTE, AS-TRANSROUTE-SPEC, AS41194:AS-RASCOM.