CEZNET-AS

AS204064 · CEZNET s.r.o. TAN · CZ · RIPENCC

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1

Upstream providers

1

Downstream customers

4.1k

v4 addresses

8

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
ISPAlliance AS47232	2024-09-01 1y 8mo	2026-05-14	139 peers AS209 AS260 AS680 AS999 AS1031 AS2119 AS2152 AS2500 AS2518 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5413 AS5580 AS6453 AS6730 AS6762 AS6830 AS7018 AS7768 AS8220 AS8426 AS8455 AS8582 AS9002 AS12859 AS12956 AS14041 AS14630 AS14907 AS15562 AS15692 AS16276 AS16347 AS16552 AS17350 AS17660 AS20080 AS20811 AS25220 AS27986 AS28329 AS29479 AS32590 AS34927 AS35266 AS35280 AS35600 AS35710 AS36924 AS38001 AS41095 AS41811 AS42473 AS42541 AS46450 AS47147 AS48112 AS48185 AS49434 AS49544 AS49605 AS50628 AS51185 AS52075 AS52468 AS52873 AS53828 AS55720 AS57866 AS58308 AS58511 AS58717 AS59105 AS64475 AS132884 AS134823 AS138685 AS142289 AS151704 AS197580 AS199524 AS209823 AS212317 AS216285 AS262462 AS263009 AS263541 AS264409 AS264479 AS266213 AS271253 AS398465		v4 v6

Customers (1)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
ASAGNET AS51424	CZ	2024-11-12 1y 6mo	2026-05-14	2.8k	135 peers AS209 AS260 AS680 AS999 AS1031 AS2119 AS2152 AS2500 AS2518 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5413 AS5580 AS6453 AS6730 AS6762 AS6830 AS7018 AS7768 AS8220 AS8426 AS8455 AS8582 AS9002 AS12859 AS12956 AS14041 AS14630 AS14907 AS15562 AS15692 AS16276 AS16347 AS16552 AS17350 AS17660 AS20080 AS20811 AS25220 AS27986 AS28329 AS29479 AS32590 AS34927 AS35266 AS35280 AS35600 AS35710 AS36924 AS37697 AS38001 AS41095 AS41811 AS42473 AS42541 AS46450 AS47147 AS48112 AS48185 AS49434 AS49544 AS49605 AS50628 AS51185 AS52075 AS52468 AS52873 AS53828 AS55720 AS57866 AS58511 AS58717 AS59105 AS64475 AS132884 AS134823 AS138685 AS142289 AS151704 AS197580 AS199524 AS209823 AS212317 AS216285 AS262462 AS263009 AS263541 AS264409 AS264479 AS266213 AS271253 AS328964 AS398465		v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

5

v4 prefixes

4.1k

v4 addresses

1

v6 prefixes

8

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-07-12

New Transit

ASAGNET AS51424 → added provider CEZNET-AS AS204064

Confidence: 90%

⇄

2025-05-28

Lost Transit

ASAGNET AS51424 → lost provider CEZNET-AS AS204064

Confidence: 85% Duration: 196d

⇄

2025-03-21

Lost Transit

ASAGNET AS51424 → lost provider CEZNET-AS AS204064

Confidence: 85% Duration: 128d

⇄

2024-11-28

New Transit

ASAGNET AS51424 → added provider CEZNET-AS AS204064

Confidence: 90%

⇄

2024-11-13

Lost Transit

ASAGNET AS51424 → lost provider CEZNET-AS AS204064

Confidence: 85%

⇄

2024-09-02

New Transit

CEZNET-AS AS204064 → added provider ISPAlliance AS47232

Confidence: 90%

⇄

Renewal Calendar

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

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