AS59959 SferiaNET.cz s.r.o. 🇨🇿 CZ

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes

4,096 (16 × /24)

IPv6 prefixes

8 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS59959
Name: SferiaNET.cz s.r.o.
Organisation: SferiaNET.cz
Country: 🇨🇿 CZ
RIR: RIPENCC
Allocated: 2018-01-26
Network type: Cable/DSL/ISP
Traffic levels: 10-20Gbps
Scope: Europe
Peering policy: Open
Website: http://sferia.cz
PeeringDB: net/15892
Exchanges: 2
Facilities: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (40.0%) 0 invalid (0.0%) 3 no ROA (60.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS59392 - AS60437
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:        2024-09-03T13:31:09Z
last-modified:  2024-09-03T13:31:09Z
source:         RIPE

aut-num:        AS59959
as-name:        SFERIA
org:            ORG-SS821-RIPE
import:         from AS39392 accept ANY
export:         to AS39392 announce AS59959
import:         from AS60068 accept ANY
export:         to AS60068 announce AS59959
admin-c:        SFER1-RIPE
tech-c:         SFER1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-sferia-MK-mnt
created:        2018-01-26T15:49:22Z
last-modified:  2023-05-22T19:32:11Z
source:         RIPE

organisation:   ORG-SS821-RIPE
org-name:       SferiaNET.cz s.r.o.
country:        CZ
reg-nr:         27276864
org-type:       LIR
address:        Riegrova 4338/12
address:        466 01
address:        Jablonec nad Nisou
address:        CZECH REPUBLIC
phone:          +420 488 723 101
admin-c:        PP16696-RIPE
tech-c:         PP16696-RIPE
tech-c:         MP13836-RIPE
abuse-c:        AR44870-RIPE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-sferia-MK-mnt
created:        2018-01-26T09:03:45Z
last-modified:  2026-05-13T07:38:51Z
source:         RIPE # Filtered
mnt-ref:        cz-sferia-MK-mnt

role:           Sferia RIPE Manager
address:        Krkonosska 134
address:        46841 Tanvald
address:        Czech Republic
admin-c:        PP16696-RIPE
tech-c:         PP16696-RIPE
tech-c:         MP13836-RIPE
nic-hdl:        SFER1-RIPE
mnt-by:         cz-sferia-1-mnt
created:        2018-02-15T10:36:52Z
last-modified:  2018-02-15T10:36:52Z
source:         RIPE # Filtered