AS21487 — PJSC Rostelecom. Yakutsk branch

AS21487 announces 6 IPv4 prefixes covering 22,528 addresses and 0 IPv6 prefixes.

About this network

AS21487 is operated by PJSC Rostelecom, specifically its Yakutsk branch.

What it's used for

• The address space carries residential and business access traffic for the Sakha Republic, indicated by netnames SAKHA and RU-RTK-20010615.
• The AS announces 22,528 IPv4 addresses across 6 prefixes while maintaining only 4 observed neighbours, a ratio characteristic of an access or eyeball network rather than a transit provider.

Notable

• All registrants for the announced prefixes are PJSC Rostelecom or PJSC Rostelecom Technical Team, fully consistent with the AS holder.
• The inventory consists of six distinct IPv4 blocks, including a /19 and a /20, with no IPv6 prefixes currently announced.

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

Announced prefixes

• 46.48.128.0/20
• 80.73.64.0/19
• 91.185.224.0/21
• 91.185.240.0/20
• 94.245.136.0/21
• 94.245.152.0/21

Upstream networks

• AS12389 PJSC Rostelecom

Downstream networks

• AS48312 PJSC ALROSA
• AS61041 Federal Budgetary Institution "Administration of the Lensky Basin of Inland Waterways"
• AS196648 North-Eastern Federal University n.a. M.K.Ammosov, State Federal Autonomous Educational Organisation of Higher Professional Education

Adjacent networks

• AS12389 PJSC Rostelecom
• AS48312 PJSC ALROSA
• AS61041 Federal Budgetary Institution "Administration of the Lensky Basin of Inland Waterways"
• AS196648 North-Eastern Federal University n.a. M.K.Ammosov, State Federal Autonomous Educational Organisation of Higher Professional Education

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 11 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 180 route objects.
• Listed in as-sets: AS-BLOCK-SET, AS-BLOCKED-RU, AS-BTN-CUSTOMERS, AS-HURRICANE, AS-PORTAL, AS-SAKHATELECOM, AS-TTK-RTL-YAKUTSK.