AS43542 OptoNet Communication, spol. s.r.o. 🇨🇿 CZ

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

8,192 (32 × /24)

IPv6 prefixes

1 × /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: AS43542
Name: OptoNet Communication, spol. s.r.o.
Organisation: OptoNet Communication, spol. s.r.o.
Country: 🇨🇿 CZ
RIR: RIPENCC
Allocated: 2007-08-20

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.ripe.net

as-block:       AS43075 - AS44168
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:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE

aut-num:        AS43542
as-name:        OptoNet-AS
org:            ORG-OCLS3-RIPE
remarks:        ======== TRANSIT UPSTREAM ========
remarks:        -- VODAFONE-CZ --
import:         from AS16019 accept any
export:         to AS16019 announce AS-OPTONET-TRANSIT
remarks:        -- T-Mobile CZ --
import:         from AS6855 accept any
export:         to AS6855 announce AS-OPTONET-TRANSIT
remarks:        ======== IXs peers ========
remarks:        -- NIX.CZ ROUTESERVERS --
import:         from AS47200 accept ANY
export:         to AS47200 announce AS-OPTONET-TRANSIT
remarks:        ======== TRANSIT CUSTOMERS ========
remarks:        -- Kraj Vysocina --
import:         from AS48091 accept AS48091
export:         to AS48091 announce any
remarks:        -- LCJ s.r.o. --
import:         from AS44104 accept AS44104
export:         to AS44104 announce any
remarks:        -- NGA Services, spol. s r.o. --
import:         from AS202979 accept AS202979 AS203365
export:         to AS202979 announce any
remarks:        -- CNI Group s.r.o. --
import:         from AS207945 accept AS207945
export:         to AS207945 announce any
admin-c:        TJ1042-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         TJ1042-RIPE
mnt-by:         MNT-OPTONET
created:        2007-08-20T08:25:37Z
last-modified:  2026-03-16T07:54:18Z
source:         RIPE # Filtered

organisation:   ORG-OCLS3-RIPE
org-name:       OptoNet Communication, spol. s.r.o.
country:        CZ
reg-nr:         27750132
org-type:       LIR
address:        Cerveny Kriz 318
address:        586 01
address:        Jihlava
address:        CZECH REPUBLIC
phone:          +420564040152
fax-no:         +420564040134
admin-c:        TJ1042-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-OPTONET
mnt-ref:        MNT-OPTONET_JT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-OPTONET
abuse-c:        AOC17-RIPE
created:        2006-09-25T15:28:01Z
last-modified:  2026-05-13T07:29:38Z
source:         RIPE # Filtered

person:         Tichy Josef
address:        OptoNet Communication, spol. s r.o.
address:        Cerveny Kriz 250
address:        568 02 Jihlava
address:        Czech republic
phone:          +420564040133
nic-hdl:        TJ1042-RIPE
mnt-by:         MNT-OPTONET_JT
created:        2007-08-06T07:09:45Z
last-modified:  2017-10-30T21:56:13Z
source:         RIPE # Filtered