206208 looking glass

AS16246 O2 Czech Republic, a.s. 🇨🇿 CZ

Announcing 15 prefixes, seen at the RIS collectors.

IPv4 prefixes
13
133,120 (520 × /24)
IPv6 prefixes
2
9 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
14
transit customers observed
Customer cone
28
ASes reachable through it

Registry and operator data

AS number
AS16246
Name
O2 Czech Republic, a.s.
Organisation
Nej.cz s.r.o.
Country
🇨🇿 CZ
RIR
RIPENCC
Allocated
2001-02-07
Network type
Cable/DSL/ISP
Traffic levels
300-500Gbps
Scope
Regional
Peering policy
Open
IRR as-set
AS-NEJCZ-TRANSIT
Website
http://www.nej.cz
PeeringDB
net/2265
Facilities
2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.ripe.net

as-block:       AS16215 - AS16283
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:        2018-11-22T15:27:26Z
last-modified:  2018-11-22T15:27:26Z
source:         RIPE

aut-num:        AS16246
org:            ORG-STaN1-RIPE
admin-c:        CZO2-RIPE
tech-c:         CZO2-RIPE
as-name:        AS16246
descr:          NEJ.cz s.r.o
remarks:        ---- UPSTREAM ----
import:         from AS39392 accept ANY
export:         to AS39392 announce AS-RIOMEDIA-TRANSIT
remarks:        ---- TRANSIT AS ----
import:         from AS47681 accept AS47681
export:         to AS47681 announce ANY
import:         from AS60086 accept AS60086
export:         to AS60086 announce ANY
import:         from AS48474 accept AS48474
export:         to AS48474 announce ANY
import:         from AS196849 accept AS196849
export:         to AS196849 announce ANY
import:         from AS62405 accept AS62405
export:         to AS62405 announce ANY
import:         from AS207015 accept AS207015
export:         to AS207015 announce ANY
import:         from AS206270 accept AS206270
export:         to AS206270 announce ANY
remarks:        ---- NIX.CZ ----
export:         to AS6881 announce AS-RIOMEDIA-NIXCZ
import:         from AS6881 accept AS6881
export:         to AS6881 announce AS-RIOMEDIA-NIXCZ
import:         from AS6881 accept AS6881
export:         to AS39906 announce AS-RIOMEDIA-NIXCZ
import:         from AS39906 accept AS39906
export:         to AS2819 announce AS-RIOMEDIA-NIXCZ
import:         from AS2819 accept AS2819
export:         to AS2819 announce AS-RIOMEDIA-NIXCZ
import:         from AS2819 accept AS2819
export:         to AS12570 announce AS-RIOMEDIA-NIXCZ
import:         from AS12570 accept AS12570
export:         to AS43708 announce AS-RIOMEDIA-NIXCZ
import:         from AS43708 accept AS43708
export:         to AS39392 announce AS-RIOMEDIA-NIXCZ
import:         from AS39392 accept AS39392
export:         to AS39392 announce AS-RIOMEDIA-NIXCZ
import:         from AS39392 accept AS39392
export:         to AS33883 announce AS-RIOMEDIA-NIXCZ
import:         from AS33883 accept AS33883
export:         to AS28851 announce AS-RIOMEDIA-NIXCZ
import:         from AS28851 accept AS28851
export:         to AS31246 announce AS-RIOMEDIA-NIXCZ
import:         from AS31246 accept AS31246
export:         to AS31246 announce AS-RIOMEDIA-NIXCZ
import:         from AS31246 accept AS31246
export:         to AS25192 announce AS-RIOMEDIA-NIXCZ
import:         from AS25192 accept AS25192
export:         to AS25192 announce AS-RIOMEDIA-NIXCZ
import:         from AS25192 accept AS25192
export:         to AS25248 announce AS-RIOMEDIA-NIXCZ
import:         from AS25248 accept AS25248
export:         to AS25248 announce AS-RIOMEDIA-NIXCZ
import:         from AS25248 accept AS25248
export:         to AS39235 announce AS-RIOMEDIA-NIXCZ
import:         from AS39235 accept AS39235
export:         to AS39235 announce AS-RIOMEDIA-NIXCZ
import:         from AS39235 accept AS39235
export:         to AS42000 announce AS-RIOMEDIA-NIXCZ
import:         from AS42000 accept AS42000
export:         to AS42000 announce AS-RIOMEDIA-NIXCZ
import:         from AS42000 accept AS42000
export:         to AS35592 announce AS-RIOMEDIA-NIXCZ
import:         from AS35592 accept AS35592
export:         to AS35592 announce AS-RIOMEDIA-NIXCZ
import:         from AS35592 accept AS35592
export:         to AS29321 announce AS-RIOMEDIA-NIXCZ
import:         from AS29321 accept AS29321
export:         to AS29321 announce AS-RIOMEDIA-NIXCZ
import:         from AS29321 accept AS29321
export:         to AS20723 announce AS-RIOMEDIA-NIXCZ
import:         from AS20723 accept AS20723
export:         to AS20723 announce AS-RIOMEDIA-NIXCZ
import:         from AS20723 accept AS20723
export:         to AS28972 announce AS-RIOMEDIA-NIXCZ
import:         from AS28972 accept AS28972
export:         to AS35236 announce AS-RIOMEDIA-NIXCZ
import:         from AS35236 accept AS35236
export:         to AS38952 announce AS-RIOMEDIA-NIXCZ
import:         from AS38952 accept AS38952
export:         to AS38952 announce AS-RIOMEDIA-NIXCZ
import:         from AS38952 accept AS38952
export:         to AS2852 announce AS-RIOMEDIA-NIXCZ
import:         from AS2852 accept AS2852
export:         to AS2852 announce AS-RIOMEDIA-NIXCZ
import:         from AS2852 accept AS2852
export:         to AS25512 announce AS-RIOMEDIA-NIXCZ
import:         from AS25512 accept AS25512
export:         to AS25512 announce AS-RIOMEDIA-NIXCZ
import:         from AS25512 accept AS25512
export:         to AS47232 announce AS-RIOMEDIA-NIXCZ
import:         from AS47232 accept AS47232
export:         to AS15935 announce AS-RIOMEDIA-NIXCZ
import:         from AS15935 accept AS15935
export:         to AS15935 announce AS-RIOMEDIA-NIXCZ
import:         from AS15935 accept AS15935
export:         to AS24806 announce AS-RIOMEDIA-NIXCZ
import:         from AS24806 accept AS24806
export:         to AS24806 announce AS-RIOMEDIA-NIXCZ
import:         from AS24806 accept AS24806
export:         to AS25424 announce AS-RIOMEDIA-NIXCZ
import:         from AS25424 accept AS25424
export:         to AS9080 announce AS-RIOMEDIA-NIXCZ
import:         from AS9080 accept AS9080
export:         to AS9080 announce AS-RIOMEDIA-NIXCZ
import:         from AS9080 accept AS9080
export:         to AS34315 announce AS-RIOMEDIA-NIXCZ
import:         from AS34315 accept AS34315
export:         to AS34080 announce AS-RIOMEDIA-NIXCZ
import:         from AS34080 accept AS34080
export:         to AS34080 announce AS-RIOMEDIA-NIXCZ
import:         from AS34080 accept AS34080
export:         to AS42908 announce AS-RIOMEDIA-NIXCZ
import:         from AS42908 accept AS42908
export:         to AS42908 announce AS-RIOMEDIA-NIXCZ
import:         from AS42908 accept AS42908
export:         to AS43413 announce AS-RIOMEDIA-NIXCZ
import:         from AS43413 accept AS43413
export:         to AS43413 announce AS-RIOMEDIA-NIXCZ
import:         from AS43413 accept AS43413
export:         to AS8251 announce AS-RIOMEDIA-NIXCZ
import:         from AS8251 accept AS8251
export:         to AS35214 announce AS-RIOMEDIA-NIXCZ
import:         from AS35214 accept AS35214
export:         to AS43037 announce AS-RIOMEDIA-NIXCZ
import:         from AS43037 accept AS43037
export:         to AS43037 announce AS-RIOMEDIA-NIXCZ
import:         from AS43037 accept AS43037
export:         to AS5407 announce AS-RIOMEDIA-NIXCZ
import:         from AS5407 accept AS5407
export:         to AS25036 announce AS-RIOMEDIA-NIXCZ
import:         from AS25036 accept AS25036
export:         to AS25036 announce AS-RIOMEDIA-NIXCZ
import:         from AS25036 accept AS25036
export:         to AS38949 announce AS-RIOMEDIA-NIXCZ
import:         from AS38949 accept AS38949
export:         to AS29583 announce AS-RIOMEDIA-NIXCZ
import:         from AS29583 accept AS29583
export:         to AS41711 announce AS-RIOMEDIA-NIXCZ
import:         from AS41711 accept AS41711
export:         to AS41711 announce AS-RIOMEDIA-NIXCZ
import:         from AS41711 accept AS41711
export:         to AS43541 announce AS-RIOMEDIA-NIXCZ
import:         from AS43541 accept AS43541
export:         to AS43541 announce AS-RIOMEDIA-NIXCZ
import:         from AS43541 accept AS43541
export:         to AS34692 announce AS-RIOMEDIA-NIXCZ
import:         from AS34692 accept AS34692
export:         to AS39817 announce AS-RIOMEDIA-NIXCZ
import:         from AS39817 accept AS39817
export:         to AS41088 announce AS-RIOMEDIA-NIXCZ
import:         from AS41088 accept AS41088
export:         to AS39790 announce AS-RIOMEDIA-NIXCZ
import:         from AS39790 accept AS39790
export:         to AS39790 announce AS-RIOMEDIA-NIXCZ
import:         from AS39790 accept AS39790
export:         to AS43070 announce AS-RIOMEDIA-NIXCZ
import:         from AS43070 accept AS43070
export:         to AS5610 announce AS-RIOMEDIA-NIXCZ
import:         from AS5610 accept AS5610
export:         to AS5610 announce AS-RIOMEDIA-NIXCZ
import:         from AS5610 accept AS5610
export:         to AS47868 announce AS-RIOMEDIA-NIXCZ
import:         from AS47868 accept AS47868
export:         to AS29086 announce AS-RIOMEDIA-NIXCZ
import:         from AS29086 accept AS29086
export:         to AS15685 announce AS-RIOMEDIA-NIXCZ
import:         from AS15685 accept AS15685
export:         to AS15685 announce AS-RIOMEDIA-NIXCZ
import:         from AS15685 accept AS15685
export:         to AS9002 announce AS-RIOMEDIA-NIXCZ
import:         from AS9002 accept AS9002
export:         to AS47200 announce AS-RIOMEDIA-NIXCZ
import:         from AS47200 accept AS47200
export:         to AS47200 announce AS-RIOMEDIA-NIXCZ
import:         from AS47200 accept AS47200
export:         to AS8251 announce AS-RIOMEDIA-NIXCZ
import:         from AS8251 accept AS8251
export:         to AS13036 announce AS-RIOMEDIA-NIXCZ
import:         from AS13036 accept AS13036
export:         to AS13036 announce AS-RIOMEDIA-NIXCZ
import:         from AS13036 accept AS13036
export:         to AS15598 announce AS-RIOMEDIA-NIXCZ
import:         from AS15598 accept AS15598
export:         to AS39791 announce AS-RIOMEDIA-NIXCZ
import:         from AS39791 accept AS39791
export:         to AS25234 announce AS-RIOMEDIA-NIXCZ
import:         from AS25234 accept AS25234
export:         to AS25234 announce AS-RIOMEDIA-NIXCZ
import:         from AS25234 accept AS25234
export:         to AS6830 announce AS-RIOMEDIA-NIXCZ
import:         from AS6830 accept AS6830
export:         to AS6830 announce AS-RIOMEDIA-NIXCZ
import:         from AS6830 accept AS6830
export:         to AS28725 announce AS-RIOMEDIA-NIXCZ
import:         from AS28725 accept AS28725
export:         to AS28725 announce AS-RIOMEDIA-NIXCZ
import:         from AS28725 accept AS28725
export:         to AS29134 announce AS-RIOMEDIA-NIXCZ
import:         from AS29134 accept AS29134
export:         to AS29134 announce AS-RIOMEDIA-NIXCZ
import:         from AS29134 accept AS29134
export:         to AS29208 announce AS-RIOMEDIA-NIXCZ
import:         from AS29208 accept AS29208
export:         to AS29113 announce AS-RIOMEDIA-NIXCZ
import:         from AS29113 accept AS29113
export:         to AS29113 announce AS-RIOMEDIA-NIXCZ
import:         from AS29113 accept AS29113
export:         to AS21430 announce AS-RIOMEDIA-NIXCZ
import:         from AS21430 accept AS21430
export:         to AS39906 announce AS-RIOMEDIA-NIXCZ
import:         from AS39906 accept AS39906
export:         to AS2686 announce AS-RIOMEDIA-NIXCZ
import:         from AS2686 accept AS2686
export:         to AS24971 announce AS-RIOMEDIA-NIXCZ
import:         from AS24971 accept AS24971
export:         to AS16019 announce AS-RIOMEDIA-NIXCZ
import:         from AS16019 accept AS16019
export:         to AS16019 announce AS-RIOMEDIA-NIXCZ
import:         from AS16019 accept AS16019
export:         to AS29208 announce AS-RIOMEDIA-NIXCZ
import:         from AS29208 accept AS29208
export:         to AS16265 announce AS-RIOMEDIA-NIXCZ
import:         from AS16265 accept AS16265
export:         to AS8928 announce AS-RIOMEDIA-NIXCZ
import:         from AS8928 accept AS8928
export:         to AS16276 announce AS-RIOMEDIA-NIXCZ
import:         from AS16276 accept AS16276
export:         to AS35361 announce AS-RIOMEDIA-NIXCZ
import:         from AS35361 accept AS35361
export:         to AS35361 announce AS-RIOMEDIA-NIXCZ
import:         from AS35361 accept AS35361
export:         to AS41824 announce AS-RIOMEDIA-NIXCZ
import:         from AS41824 accept AS41824
export:         to AS8913 announce AS-RIOMEDIA-NIXCZ
import:         from AS8913 accept AS8913
export:         to AS12767 announce AS-RIOMEDIA-NIXCZ
import:         from AS12767 accept AS12767
export:         to AS12767 announce AS-RIOMEDIA-NIXCZ
import:         from AS12767 accept AS12767
export:         to AS112 announce AS-RIOMEDIA-NIXCZ
import:         from AS112 accept AS112
export:         to AS50698 announce AS-RIOMEDIA-NIXCZ
import:         from AS50698 accept AS50698
export:         to AS48268 announce AS-RIOMEDIA-NIXCZ
import:         from AS48268 accept AS48268
export:         to AS42306 announce AS-RIOMEDIA-NIXCZ
import:         from AS42306 accept AS42306
export:         to AS33926 announce AS-RIOMEDIA-NIXCZ
import:         from AS33926 accept AS33926
export:         to AS197197 announce AS-RIOMEDIA-NIXCZ
import:         from AS197197 accept AS197197
remarks:        ---- NIX.CZ v6----
mp-export:      to AS6881 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS6881 accept AS6881
mp-export:      to AS6881 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS6881 accept AS6881
mp-export:      to AS9080 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS9080 accept AS9080
mp-export:      to AS12767 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS12767 accept AS12767
mp-export:      to AS12767 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS12767 accept AS12767
mp-export:      to AS15685 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS15685 accept AS15685
mp-export:      to AS29208 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS29208 accept AS29208
mp-export:      to AS29208 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS29208 accept AS29208
mp-export:      to AS15598 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS15598 accept AS15598
mp-export:      to AS24971 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS24971 accept AS24971
mp-export:      to AS8251 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS8251 accept AS8251
mp-export:      to AS8251 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS8251 accept AS8251
mp-export:      to AS9002 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS9002 accept AS9002
mp-export:      to AS16265 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS16265 accept AS16265
mp-export:      to AS39790 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS39790 accept AS39790
mp-export:      to AS39790 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS39790 accept AS39790
mp-export:      to AS35592 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS35592 accept AS35592
mp-export:      to AS15614 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS15614 accept AS15614
mp-export:      to AS30764 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS30764 accept AS30764
mp-export:      to AS2852 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS2852 accept AS2852
mp-export:      to AS2852 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS2852 accept AS2852
mp-export:      to AS16019 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS16019 accept AS16019
mp-export:      to AS16019 announce AS-RIOMEDIA-NIXCZ
mp-import:      from AS16019 accept AS16019
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5610-MTN
created:        2003-10-21T14:46:13Z
last-modified:  2024-06-20T15:31:33Z
source:         RIPE

organisation:   ORG-STaN1-RIPE
org-name:       O2 Czech Republic, a.s.
country:        CZ
reg-nr:         60193336
org-type:       LIR
address:        Za Brumlovkou 266/2
address:        140 22
address:        Praha 4 - Michle
address:        CZECH REPUBLIC
phone:          +420 2 71466184
fax-no:         +420 2 71464414
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         CZO2-RIPE
abuse-c:        AR14410-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS5610-MTN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS5610-MTN
created:        2004-04-17T11:04:17Z
last-modified:  2026-05-13T07:30:10Z
source:         RIPE # Filtered

role:           5610-Tech-and-Admin
address:        Za Brumlovkou 266/2
address:        Praha 4 - Michle, PSC 140 22
nic-hdl:        CZO2-RIPE
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         VAKO1-RIPE
tech-c:         HVJI1-RIPE
abuse-mailbox:  abuse@o2.cz
org:            ORG-STaN1-RIPE
mnt-by:         AS5610-MTN
created:        2016-02-18T09:58:30Z
last-modified:  2018-04-20T10:44:21Z
source:         RIPE # Filtered