AS51744 Non-profit organization Jablonka.cz 🇨🇿 CZ

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

1 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS51744
Name: Non-profit organization Jablonka.cz
Organisation: jablonka.cz
Country: 🇨🇿 CZ
RIR: RIPENCC
Allocated: 2010-10-29
Network type: Non-Profit
Traffic levels: 1-5Gbps
Scope: Regional
Peering policy: Open
Website: http://www.jablonka.cz
PeeringDB: net/6584
Exchanges: 1
Facilities: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS51357 - AS51817
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

aut-num:        AS51744
as-name:        ASJABLONKA
org:            ORG-JABL1-RIPE
remarks:        --- SuperNetwork ---
import:         from AS39392 accept ANY
export:         to AS39392 announce AS-JABLONKACZ
remarks:        --- Ha-Vel ---
import:         from AS15935 accept ANY
export:         to AS15935 announce AS-JABLONKACZ
remarks:        --- HE ---
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-JABLONKACZ
remarks:        --- Spoje ---
import:         from AS51700 accept ANY
export:         to AS51700 announce ANY
remarks:        --- Treboradice ---
import:         from AS206468 accept ANY
export:         to AS206468 announce ANY
remarks:        --- UNHfree.net ---
import:         from AS62011 accept AS62011
export:         to AS62011 announce ANY
remarks:        --- WVG ---
import:         from AS205026 accept ANY
export:         to AS205026 announce ANY
remarks:        --- ADC-NET ---
import:         from AS212325 accept ANY
export:         to AS212325 announce ANY
remarks:        --- T-Mobile ---
import:         from AS5588 accept ANY
export:         to AS5588 announce AS-JABLONKACZ
admin-c:        SIMA7-RIPE
tech-c:         SIMA7-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         JABLONKA-MNT
created:        2010-10-29T08:04:59Z
last-modified:  2023-02-09T10:57:10Z
source:         RIPE
sponsoring-org: ORG-Vs35-RIPE

organisation:   ORG-JABL1-RIPE
org-name:       Non-profit organization Jablonka.cz
country:        CZ
reg-nr:         26635925
org-type:       OTHER
address:        Decinska 552/1, Praha 8, 18000
address:        Czech Republic
abuse-c:        AR30692-RIPE
mnt-ref:        JABLONKA-MNT
mnt-by:         JABLONKA-MNT
created:        2010-10-26T16:42:13Z
last-modified:  2026-05-13T06:06:27Z
source:         RIPE # Filtered

person:         Petr Simandl
address:        Jablonecka 713 Praha 9 19000
phone:          +420 777 99 15 69
nic-hdl:        SIMA7-RIPE
mnt-by:         JABLONKA-MNT
created:        2010-10-26T16:38:03Z
last-modified:  2017-10-30T22:11:25Z
source:         RIPE