AS35401 — SUNLINK-AS Sunlink Telecom ISP, Tula, Russia

AS35401 announces 5 IPv4 prefixes covering 17,408 addresses and 1 IPv6 prefixes.

About this network

The AS handle SUNLINK-AS is held by AO "Tele-Service Tula", operating as Sunlink Telecom.

What it's used for

• The address space is registered under netnames such as RU-SUNLINK-20050729 and SUNLINK-NET, all attributed to the Sunlink Telecom Network Coordination Team.
• The AS announces 17,408 IPv4 addresses across 8 prefixes and 1 IPv6 prefix, while maintaining 20 observed neighbours. This ratio of address space to peering partners is characteristic of a regional access or eyeball network providing local connectivity.

Notable

• All registrants for the announced prefixes consistently identify as "Sunlink Telecom Network Coordination Team; AO 'Tele-Service Tula'", aligning perfectly with the AS holder.
• The address inventory is concentrated in the 87.244.0.0/16 range, with the largest block being 87.244.32.0/19, alongside smaller allocations in 217.170.112.0/20 and 185.138.160.0/22.

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

Announced prefixes

• 87.244.0.0/21
• 87.244.16.0/21
• 87.244.32.0/19
• 185.138.160.0/22
• 217.170.112.0/20
• 2a02:26e0::/32

Upstream networks

• AS3216 PJSC "Vimpelcom"
• AS12389 PJSC Rostelecom
• AS57304 JSC "RetnNet"
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS9002 RETN Limited
• AS6939 Hurricane Electric LLC
• AS34927 iFog GmbH

Downstream networks

• AS219413 ServiceCom Ltd.
• AS56939 Credo-S Ltd.
• AS43740 Secure Telecommunication LLC
• AS48938 Guard-Inform Ltd.

Adjacent networks

• AS3216 PJSC "Vimpelcom"
• AS12389 PJSC Rostelecom
• AS57304 JSC "RetnNet"
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS9002 RETN Limited
• AS219413 ServiceCom Ltd.
• AS6939 Hurricane Electric LLC
• AS56939 Credo-S Ltd.
• AS43740 Secure Telecommunication LLC
• AS48938 Guard-Inform Ltd.
• AS34927 iFog GmbH

Routing security

• RPKI: 20 valid, 0 invalid and 0 not-found announcements; 20 ROAs.
• ASPA: none published.
• IRR: 80% of announcements registered; 17 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-HURRICANE, AS-HURRICANEV6, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-ROSTELECOM, AS-SERVICEPIPE, AS-SUNLINK, AS-SUNLINK-EXPORT, AS-SUNLINK-IPV6, AS-TRANSROUTE-SPEC, AS-TSNET-RU, AS-TULATELECOM.