NCISA-AS

AS199711 · National Cyber and Information Security Agency Brno · CZ · RIPENCC

2

Upstream providers

0

Downstream customers

512

v4 addresses

1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
CESNET2 AS2852	2024-09-01 1y 8mo	2026-05-14	192 peers AS209 AS260 AS5580 AS8582		v4 v6
HA-VEL-LOCAL-AS AS15935	2024-09-01 1y 8mo	2026-05-14	45 peers AS209 AS3549		v4 v6

Addr family: All IPv4 IPv6

No customers in current snapshot.

IPv4 and IPv6 prefixes originated over time

1

v4 prefixes

512

v4 addresses

2

v6 prefixes

1

v6 /32s

Count of unclassified adjacencies per snapshot date

2026-03-26

Lost Transit

NCISA-AS AS199711 → lost provider HA-VEL-LOCAL-AS AS15935

Confidence: 85% Duration: 570d

⇄

2025-11-20

Lost Transit

NCISA-AS AS199711 → lost provider HA-VEL-LOCAL-AS AS15935

Confidence: 85% Duration: 444d

⇄

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

This data is available to subscribers.