AS203597 — STEKSPB-AS STEK LLC

AS203597 announces 2 IPv4 prefixes covering 512 addresses and 1 IPv6 prefixes.

About this network

The AS handle STEKSPB-AS is held by STEK LLC.

What it's used for

• The address space carries customer-facing traffic, evidenced by reverse DNS entries such as mail.impro-spb.com, free.galaxydata.ru, and ip-194-190-151-64.spb.avantel.ru.
• The network announces 512 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with 14 observed neighbours, indicating a small access or regional ISP role.
• Traffic from this AS consists of subscriber eyeballs and local business endpoints within the Russian Federation.

Notable

• Registrants for the announced prefixes include STEK LLC for 45.9.195.0/24 and Comfortel Ltd for 194.190.151.0/24, suggesting either leased space or a relationship between the entities.
• The inventory is small and subdivided into two distinct /24 blocks, consistent with a local operator managing specific customer segments.

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

Announced prefixes

• 45.9.195.0/24
• 194.190.151.0/24
• 2a0e:1107::/47

Upstream networks

• AS20764 CJSC RASCOM
• AS3216 PJSC "Vimpelcom"
• AS51178 JSC "ER-Telecom Holding"
• AS6939 Hurricane Electric LLC
• AS57304 JSC "RetnNet"
• AS24482 SG.GS
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS37721 Virtual Technologies & Solutions
• AS56655 Gigahost AS
• AS49673 Truenetwork LLC
• AS50673 Serverius Holding B.V.

Adjacent networks

• AS20764 CJSC RASCOM
• AS3216 PJSC "Vimpelcom"
• AS51178 JSC "ER-Telecom Holding"
• AS6939 Hurricane Electric LLC
• AS57304 JSC "RetnNet"
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS24482 SG.GS
• AS49673 Truenetwork LLC
• AS56655 Gigahost AS
• AS37721 Virtual Technologies & Solutions
• AS50673 Serverius Holding B.V.

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-203597, AS-4IXP, AS-4IXP-RS, AS-4IXPV6, AS-AVANTEL-SPB, AS-DATAIX, AS-HURRICANEV6, AS-IFOG, AS-IFOG, AS-PACKET, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-ROSTELECOM, AS-SAMCOPUG, AS-SCALEBLADE:AS-CUST, AS-SOVAM, AS-SOVAM-V6, AS203597:AS-SRYDEN, AS209533:AS-BGPTUNNEL, AS53667:AS-CUSTOMERS, AS57304:AS-RETN-RU, AS57304:AS-RETN6-RU.