AS43909 — CRYSTALL-AS

AS43909 announces 1 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

The AS handle CRYSTALL-AS is held by Crystall Ltd.

What it's used for

• The address space carries residential or small business traffic, indicated by reverse DNS entries such as host-85-202-180-0.kristall-net.ru and the netname CRYSTALL-NET.
• The network announces 4096 IPv4 addresses across 1 prefix (85.202.176.0/20) and maintains 2 observed neighbours, a ratio consistent with an access or eyeball network rather than a transit provider.
• Traffic from this AS consists of subscriber internet access for end-users within the Russian Federation.

Notable

• The RDAP registrant for the announced prefix is Crystall Ltd., which matches the AS holder.
• The address inventory consists of a single contiguous /20 block, representing a compact and unified allocation for the operator.

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

Announced prefixes

• 85.202.176.0/20

Upstream networks

• AS12389 PJSC Rostelecom
• AS20485 Joint Stock Company TransTeleCom
• AS43550 JSC "ER-Telecom Holding"

Adjacent networks

• AS12389 PJSC Rostelecom
• AS20485 Joint Stock Company TransTeleCom
• AS43550 JSC "ER-Telecom Holding"

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-HURRICANE, AS-SAKHTEL, AS-TTK, AS43550:AS-DSC, AS8359:AS-DSC-AS.