AS31420 Terasyst Ltd 🇧🇬 BG

Announcing 20 prefixes, seen at the RIS collectors.

IPv4 prefixes
20
5,120 (20 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS31420
Name
Terasyst Ltd
Organisation
Terasyst Ltd
Country
🇧🇬 BG
RIR
RIPENCC
Allocated
2004-05-11

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

12 valid (60.0%) 0 invalid (0.0%) 8 no ROA (40.0%)

Announced prefixes

20 in total

Prefix RPKI Peers Sample path First seen
5.104.184.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.185.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.186.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.187.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.188.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.189.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.190.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
5.104.191.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
79.134.171.0/24 v4 no ROA 44 345495734431420 2026-09-18
79.134.176.0/24 v4 no ROA 43 345495734431420 2026-09-18
79.134.177.0/24 v4 no ROA 43 345495734431420 2026-09-18
79.134.178.0/24 v4 no ROA 43 345495734431420 2026-09-18
79.134.179.0/24 v4 no ROA 43 345495734431420 2026-09-18
79.134.180.0/24 v4 no ROA 44 345495734431420 2026-09-18
79.134.181.0/24 v4 no ROA 44 345495734431420 2026-09-18
79.134.182.0/24 v4 no ROA 44 345495734431420 2026-09-18
193.151.80.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
193.151.81.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
193.151.82.0/24 v4 RPKI valid 43 345495734431420 2026-09-18
193.151.83.0/24 v4 RPKI valid 43 345495734431420 2026-09-18