AS25076 — ISTARLINK-AS

AS25076 announces 1 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

The AS handle ISTARLINK-AS is held by KTV Istar Ltd.

What it's used for

• The space carries a single IPv4 block with the netname ISTAR-LINK, registered to FOBUL Contacts.
• The AS announces 2048 IPv4 addresses across 1 prefix and maintains 1 observed neighbour, indicating a small-scale business or internal network rather than a transit provider.

Notable

• The registrant FOBUL Contacts differs from the AS holder KTV Istar Ltd., which may indicate leased address space or historical registration changes.
• The address inventory consists of a single /21 prefix, representing a compact and uniform block allocation.

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

Announced prefixes

• 79.134.48.0/21

Upstream networks

• AS42459 Fiber Optics Bulgaria OOD

Adjacent networks

• AS42459 Fiber Optics Bulgaria OOD

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 14 route objects.
• Listed in as-sets: AS-BTC-UP, AS-FOBUL, AS-FOBUL-V6, AS-INTEROUTE, AS-ISTARLINK, AS-SILISTRAPEERS, AS-TPN-TERAOPTICS.