CTU_AS4

AS201594 · NIX.CZ NIX.CZ · CZ · RIPENCC

1

Upstream providers

0

Downstream customers

256

v4 addresses

1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Provider	First Seen	Last Seen	Peers	Confidence
BlueTone-AS AS25248	2024-09-01 1y 8mo	2026-05-07	85 peers AS209 AS701 AS1273 AS2914 AS3257 AS3320 AS3491 AS5580 AS6453 AS6762 AS6830 AS7018 AS7768 AS8582 AS12956 AS16260 AS17350 AS27986 AS31554 AS32590 AS47147 AS48112 AS49544 AS52873 AS216285 AS262462 AS264479 AS267613 AS271253 AS328840 AS398465

No customers in current snapshot.

IPv4 and IPv6 prefixes originated over time

1

v4 prefixes

256

v4 addresses

1

v6 prefixes

1

v6 /32s

Count of unclassified adjacencies per snapshot date

2024-09-02

New Transit

CTU_AS4 AS201594 → added provider BlueTone-AS AS25248

Confidence: 90%

⇄

Active providers first seen 11–13 months ago — possible annual contract renewals

This data is available to subscribers.