AS47517 — CSSUZ-AS JSC "UKRAINIAN RAILWAYS"

AS47517 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

CSSUZ-AS is operated by JSC "Ukrainian Railways", the national railway carrier of Ukraine.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname CSSUZ-NET and reverse DNS entry mail.csz.uz.gov.ua pointing to a mail server for the Central Communication Station.
• The AS announces 768 IPv4 addresses across 2 prefixes with 3 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.
• Traffic consists of internal corporate communications, including email and administrative systems for the railway's central communication facilities.

Notable

• Both announced prefixes are registered to JSC "Ukrainian Railways" with the netname CSSUZ-NET, confirming the registrant matches the AS holder.
• The address inventory is small and finely subdivided into two distinct blocks, consistent with an internal corporate estate segmented by function or site.

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

Announced prefixes

• 91.217.112.0/23
• 195.242.179.0/24

Upstream networks

• AS24812 RPC HomeNet Ltd.
• AS1820 WNET TELECOM USA Corp.

Downstream networks

• AS198633 JSC UKRAINIAN RAILWAYS
• AS43485 JSC UKRAINIAN RAILWAYS

Adjacent networks

• AS24812 RPC HomeNet Ltd.
• AS1820 WNET TELECOM USA Corp.
• AS198633 JSC UKRAINIAN RAILWAYS
• AS43485 JSC UKRAINIAN RAILWAYS

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CSSUZ, AS-HURRICANE, AS-NETASSIST-UCA, AS-NSST, AS-RETN-ACTUAL-V4, AS-RUSSIA.