AS50928 — SYNTSIB-AS PJSC MegaFon

AS50928 announces 10 IPv4 prefixes covering 10,752 addresses and 1 IPv6 prefixes.

About this network

The AS handle SYNTSIB-AS is held by PJSC MegaFon.

What it's used for

• The address space carries fixed-line and mobile subscriber traffic, evidenced by netnames such as MF-GNOC-SF-Fixed-20150213, MF-SIB, and MF-SF-AS50928-FIX.
• The AS announces 10,496 IPv4 addresses across 12 prefixes and 2 IPv6 prefixes, with 24 observed neighbours, indicating a large access network serving end-users rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs, including mobile data, fixed broadband, and VoIP services for MegaFon's customer base in Russia.

Notable

• Registrants consistently identify PJSC MegaFon and its Network Operation Center (NOC) branches, including GNOC East and the Sibirian Branch, aligning with the announcer.
• The address inventory is finely subdivided into /21, /22, /23, and /24 blocks, reflecting site-by-site segmentation for different regional branches and service types within the corporate estate.

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

Announced prefixes

• 31.173.248.0/21
• 37.29.80.0/22
• 46.29.192.0/21
• 178.23.144.0/21
• 178.176.248.0/22
• 178.176.252.0/23
• 178.178.78.0/24
• 188.170.244.0/23
• 188.170.248.0/22
• 188.170.252.0/24
• 2a00:9780::/36

Upstream networks

• AS31133 PJSC MegaFon

Downstream networks

• AS39785 Axioma, LLC
• AS41311 Center of Connection, Informatic and Telecommunication LLC
• AS29071 Sputnikovaya svyaz LLC
• AS51067 Sibinfosoft LLC
• AS48316 Regional State Institution "Regional Center of automated information resource of Tomsk Region"
• AS5567 National Research Tomsk Polytechnic University
• AS8279 JSC PRODUCTION ASSOCIATION "ALTAI TYRE PLANT"
• AS42048 Siberian Federal University
• AS9078 Sibirskie Innovacionnye Sistemy Ltd
• AS59591 WIRENET LLC
• AS60862 GKU CIT Kuzbassa
• AS51291 Istok Ltd.
• AS49932 State Autonomous Institution of Khakass Republic Center of Informatization and New Technologies of Khakass Republic
• AS203784 Fiber Telecom Ltd
• AS44420 CIT Ltd.
• AS197482 DoubleGIS LLC
• AS50433 State educational institution of higher professional education "Tomsk State Pedagogical University"
• AS34671 Tomskneftehim Ltd.
• AS197420 LLC KURORT MANZHEROK
• AS41566 Federal State Budget Educational Institution of Higher Professional Education "Tomsk State University of Control Systems and Radio Electronics"
• AS47117 Sibline Ltd.
• AS214395 Joint-Stock Commercial Bank "NOOSPHERE" (Joint-Stock Company)
• AS206871 FinSib SD LLC

Adjacent networks

• AS31133 PJSC MegaFon
• AS39785 Axioma, LLC
• AS41311 Center of Connection, Informatic and Telecommunication LLC
• AS29071 Sputnikovaya svyaz LLC
• AS51067 Sibinfosoft LLC
• AS48316 Regional State Institution "Regional Center of automated information resource of Tomsk Region"
• AS5567 National Research Tomsk Polytechnic University
• AS42048 Siberian Federal University
• AS8279 JSC PRODUCTION ASSOCIATION "ALTAI TYRE PLANT"
• AS9078 Sibirskie Innovacionnye Sistemy Ltd
• AS59591 WIRENET LLC
• AS60862 GKU CIT Kuzbassa
• AS51291 Istok Ltd.
• AS49932 State Autonomous Institution of Khakass Republic Center of Informatization and New Technologies of Khakass Republic
• AS203784 Fiber Telecom Ltd
• AS44420 CIT Ltd.
• AS197482 DoubleGIS LLC
• AS50433 State educational institution of higher professional education "Tomsk State Pedagogical University"
• AS34671 Tomskneftehim Ltd.
• AS197420 LLC KURORT MANZHEROK
• AS47117 Sibline Ltd.
• AS41566 Federal State Budget Educational Institution of Higher Professional Education "Tomsk State University of Control Systems and Radio Electronics"
• AS206871 FinSib SD LLC
• AS214395 Joint-Stock Commercial Bank "NOOSPHERE" (Joint-Stock Company)

Routing security

• RPKI: 48 valid, 0 invalid and 0 not-found announcements; 49 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 52 route objects.
• Listed in as-sets: AS-ALLIANCE, AS-BLOCK-SET, AS-BLOCKED-RU, AS-HURRICANEV6, AS-MF-IX, AS-MF-KRS-IX, AS-MF-MGSM, AS-MF-NSK-IX, AS-OMTT-SET, AS-SYNTSIB, AS-SYNTSIB6, AS-ZSTTK-SET, AS34251:AS-RUFILE, AS3491:AS-CUSTOMERS-EU.