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AS12344 CZECH IT CLUSTER, druzstvo

Czechia CZECHITC RIPE 1 IPv4 prefix 1 IPv6 prefix
IPv4 addresses
1,024
IPv6 /48 networks
131,072
RPKI
2 valid0 no ROA
Peers and downstreams
1

Holder

AS name
CZECHITC
Description
CZECH IT CLUSTER, druzstvo
Organisation
CZECH IT CLUSTER, druzstvo
Registered in
Jihlava, Czechia
Abuse contact
info@czech-itc.cz
Assigned
2015-09-29
Registered
2015-09-30
Record last changed
2018-09-04 11:40 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS33891 Core-Backbone GmbH AS33891 · DE Core-Backbone GmbH AS3320 Deutsche Telekom AG AS3320 · DE Deutsche Telekom AG AS6855 Slovak Telekom, a.s. AS6855 · SK Slovak Telekom, a.s. AS12344 CZECH IT CLUSTER, druzstvo AS12344 · CZ CZECH IT CLUSTER, dru…

Network health

Grade B · 80/100
pass Prefixes covered by valid ROAs
2 of 2 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
info@czech-itc.cz is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2018-09-04.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 12:49 UTCRelationship changed AS16019 upstream to peer

WHOIS

aut-num:        AS12344
as-name:        CZECHITC
org:            ORG-CICD2-RIPE
admin-c:        IKV9-RIPE
tech-c:         TV3003-RIPE
tech-c:         MD22356-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-czechitc-1-mnt
created:        2015-09-30T09:15:41Z
last-modified:  2018-09-04T11:40:18Z
source:         RIPE
% 4 routing policy lines (import/export) not shown