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	Prefix	Description
	46.39.160.0/19	O2 Czech Republic, a.s.
	83.240.0.0/17	O2 Czech Republic, a.s.
	95.82.128.0/18	O2 Czech Republic, a.s.
	185.51.240.0/22	O2 Czech Republic, a.s.
	213.155.224.0/19	O2 Czech Republic, a.s.
	2001:4cc8::/31	O2 Czech Republic, a.s.
	2a01:4240::/32	O2 Czech Republic, a.s.
	2a0a:cac0::/29	O2 Czech Republic, a.s.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS16246	O2 Czech Republic, a.s.	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS16246	O2 Czech Republic, a.s.	✔	✔

aut-num:        AS31246
as-name:        NETBOX-AS
descr:          NETBOX Autonomous system
org:            ORG-STaN1-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
remarks:        # UPSTREAM PEERING
remarks:        # -- PEERINGCZ peering
import:         from AS39392 action pref=120; accept ANY
export:         to AS39392 announce AS-NETBOX-CZ
remarks:        # -- VODAFONECZ peering
remarks:        from AS16019 action pref=200; accept ANY
remarks:        to AS16019 announce AS-NETBOX-CZ
remarks:        # -- CDT peering
remarks:        from AS25512 action pref=200; accept ANY
remarks:        to AS25512 announce AS-NETBOX-CZ
remarks:        # DOWNSTREAM PEERING
remarks:        # CZ-NIX PEERING
import:         from AS2819 accept ANY # NIX: GTS NOVERA
export:         to AS2819 announce AS-NETBOX-CZNIX
import:         from AS2852 accept ANY # NIX: Cesnet
export:         to AS2852 announce AS-NETBOX-CZNIX
import:         from AS5407 accept ANY # NIX: Skynet
export:         to AS5407 announce AS-NETBOX-CZNIX
import:         from AS5610 accept ANY # NIX: Telefonica O2
export:         to AS5610 announce AS-NETBOX-CZNIX
import:         from AS6706 accept ANY # NIX: Telekom Austria CZ
export:         to AS6706 announce AS-NETBOX-CZNIX
import:         from AS6881 accept ANY # NIX: NIX.CZ
export:         to AS6881 announce AS-NETBOX-CZNIX
import:         from AS8251 accept ANY # NIX: NFX
export:         to AS8251 announce AS-NETBOX-CZNIX
import:         from AS8913 accept ANY # NIX: Mopos
export:         to AS8913 announce AS-NETBOX-CZNIX
import:         from AS8928 accept ANY # NIX: InterouteCzech
export:         to AS8928 announce AS-NETBOX-CZNIX
import:         from AS9080 accept ANY # NIX: IPEX
export:         to AS9080 announce AS-NETBOX-CZNIX
import:         from AS10282 accept ANY # NIX: Orange
export:         to AS10282 announce AS-NETBOX-CZNIX
import:         from AS12570 accept ANY # NIX: SELFservis
export:         to AS12570 announce AS-NETBOX-CZNIX
import:         from AS12767 accept ANY # NIX: PRAGONET
export:         to AS12767 announce AS-NETBOX-CZNIX
import:         from AS15169 accept ANY # NIX: Google
export:         to AS15169 announce AS-NETBOX-CZNIX
import:         from AS15598 accept ANY # NIX: IP Exchange
export:         to AS15598 announce AS-NETBOX-CZNIX
import:         from AS15685 accept ANY # NIX: Casablanca
export:         to AS15685 announce AS-NETBOX-CZNIX
import:         from AS15935 accept ANY # NIX: ha-vel internet
export:         to AS15935 announce AS-NETBOX-CZNIX
import:         from AS16019 accept ANY # NIX: Vodafone
export:         to AS16019 announce AS-NETBOX-CZNIX
import:         from AS16246 accept ANY # NIX: CLNET
export:         to AS16246 announce AS-NETBOX-CZNIX
import:         from AS16265 accept ANY # NIX: LeaseWeb
export:         to AS16265 announce AS-NETBOX-CZNIX
import:         from AS16276 accept ANY # NIX: OVH
export:         to AS16276 announce AS-NETBOX-CZNIX
import:         from AS20723 accept ANY # NIX: MGI
export:         to AS20723 announce AS-NETBOX-CZNIX
import:         from AS21430 accept ANY # NIX: WIA
export:         to AS21430 announce AS-NETBOX-CZNIX
import:         from AS21435 accept ANY # NIX: BroadNet Czech
export:         to AS21435 announce AS-NETBOX-CZNIX
import:         from AS24806 accept ANY # NIX: INTERNET CZ
export:         to AS24806 announce AS-NETBOX-CZNIX
import:         from AS24971 accept ANY # NIX: Master Internet
export:         to AS24971 announce AS-NETBOX-CZNIX
import:         from AS25036 accept ANY # NIX: TERMS
export:         to AS25036 announce AS-NETBOX-CZNIX
import:         from AS25192 accept ANY # NIX: CZ.NIC
export:         to AS25192 announce AS-NETBOX-CZNIX
import:         from AS25234 accept ANY # NIX: ACTIVE 24
export:         to AS25234 announce AS-NETBOX-CZNIX
import:         from AS25248 accept ANY # NIX: RADIOKOMUNIKACE
export:         to AS25248 announce AS-NETBOX-CZNIX
import:         from AS25424 accept ANY # NIX: INTERNEXT 2000
export:         to AS25424 announce AS-NETBOX-CZNIX
import:         from AS25462 accept ANY # NIX: RETN
export:         to AS25462 announce AS-NETBOX-CZNIX
import:         from AS25512 accept ANY # NIX: CD-Telematika
export:         to AS25512 announce AS-NETBOX-CZNIX
import:         from AS28725 accept ANY # NIX: TelefonicaO2-Eurotel
export:         to AS28725 announce AS-NETBOX-CZNIX
import:         from AS28851 accept ANY # NIX: Fortech
export:         to AS28851 announce AS-NETBOX-CZNIX
import:         from AS29086 accept ANY # NIX: Gity
export:         to AS29086 announce AS-NETBOX-CZNIX
import:         from AS29113 accept ANY # NIX: Sloane Park Property Trust
export:         to AS29113 announce AS-NETBOX-CZNIX
import:         from AS29134 accept ANY # NIX: IGNUM
export:         to AS29134 announce AS-NETBOX-CZNIX
import:         from AS29208 accept ANY # NIX: Dial Telecom
export:         to AS29208 announce AS-NETBOX-CZNIX
import:         from AS29321 accept ANY # NIX: CentroNet
export:         to AS29321 announce AS-NETBOX-CZNIX
import:         from AS29583 accept ANY # NIX: Unient
export:         to AS29583 announce AS-NETBOX-CZNIX
import:         from AS30134 accept ANY # NIX: CZ.NIC (projekt F-ROOT)
export:         to AS30134 announce AS-NETBOX-CZNIX
import:         from AS30764 accept ANY # NIX: PODA
export:         to AS30764 announce AS-NETBOX-CZNIX
import:         from AS33883 accept ANY # NIX: TRIOPTIMUM
export:         to AS33883 announce AS-NETBOX-CZNIX
import:         from AS34080 accept ANY # NIX: MIRAMO
export:         to AS34080 announce AS-NETBOX-CZNIX
import:         from AS34315 accept ANY # NIX: MAXPROGRES
export:         to AS34315 announce AS-NETBOX-CZNIX
import:         from AS34692 accept ANY # NIX: Freebone
export:         to AS34692 announce AS-NETBOX-CZNIX
import:         from AS34695 accept ANY # NIX: E4A
export:         to AS34695 announce AS-NETBOX-CZNIX
import:         from AS35214 accept ANY # NIX: OXID
export:         to AS34692 announce AS-NETBOX-CZNIX
import:         from AS35361 accept ANY # NIX: GREPA
export:         to AS35361 announce AS-NETBOX-CZNIX
import:         from AS35592 accept ANY # NIX: CoolHousing
export:         to AS35592 announce AS-NETBOX-CZNIX
import:         from AS38949 accept ANY # NIX: Trestel SK
export:         to AS38949 announce AS-NETBOX-CZNIX
import:         from AS38952 accept ANY # NIX: MAFRA
export:         to AS38952 announce AS-NETBOX-CZNIX
import:         from AS39235 accept ANY # NIX: DAT
export:         to AS39235 announce AS-NETBOX-CZNIX
import:         from AS39392 accept ANY # NIX: SuperNetwork
export:         to AS39392 announce AS-NETBOX-CZNIX
import:         from AS39790 accept ANY # NIX: Web4YU
export:         to AS39659 announce AS-NETBOX-CZNIX
import:         from AS39791 accept ANY # NIX: CEZNet
export:         to AS39791 announce AS-NETBOX-CZNIX
import:         from AS39817 accept ANY # NIX: OVANET
export:         to AS39817 announce AS-NETBOX-CZNIX
import:         from AS39906 accept ANY # NIX: CoproSys
export:         to AS39906 announce AS-NETBOX-CZNIX
import:         from AS41088 accept ANY # NIX: N-SYS
export:         to AS41088 announce AS-NETBOX-CZNIX
import:         from AS41267 accept ANY # NIX: Cabel MEDIA
export:         to AS41267 announce AS-NETBOX-CZNIX
import:         from AS41711 accept ANY # NIX: Visual Connection
export:         to AS41711 announce AS-NETBOX-CZNIX
import:         from AS42000 accept ANY # NIX: Global Inspiration
export:         to AS42000 announce AS-NETBOX-CZNIX
import:         from AS42306 accept ANY # NIX: Blue4
export:         to AS42306 announce AS-NETBOX-CZNIX
import:         from AS42908 accept ANY # NIX: Mobilkom
export:         to AS42908 announce AS-NETBOX-CZNIX
import:         from AS43037 accept ANY # NIX: Seznam
export:         to AS43037 announce AS-NETBOX-CZNIX
import:         from AS43355 accept ANY # NIX: UPL TELECOM
export:         to AS43355 announce AS-NETBOX-CZNIX
import:         from AS43413 accept ANY # NIX: New Telekom
export:         to AS43413 announce AS-NETBOX-CZNIX
import:         from AS43541 accept ANY # NIX: VSHosting
export:         to AS43541 announce AS-NETBOX-CZNIX
import:         from AS43708 accept ANY # NIX: IJC
export:         to AS43708 announce AS-NETBOX-CZNIX
import:         from AS47868 accept ANY # NIX: SUPRO
export:         to AS47868 announce AS-NETBOX-CZNIX
import:         from AS47200 accept ANY # NIX: NIX.CZ
export:         to AS47200 announce AS-NETBOX-CZNIX
import:         from AS6830 accept ANY # NIX: UPC.CZ
export:         to AS6830 announce AS-NETBOX-CZNIX
import:         from AS9002 accept ANY # NIX: RETN
export:         to AS9002 announce AS-NETBOX-CZNIX
import:         from AS47232 accept ANY # NIX: GRAPE SC
export:         to AS47232 announce AS-NETBOX-CZNIX
import:         from AS13036 accept ANY # NIX:T-MOBILE.CZ
export:         to AS13036 announce AS-NETBOX-CZNIX
import:         from AS50698 accept ANY # NIX:TETA
export:         to AS50698 announce AS-NETBOX-CZNIX
import:         from AS43070 accept ANY # NIX:SEVEROSTAV
export:         to AS43070 announce AS-NETBOX-CZNIX
import:         from AS50495 accept ANY # NIX:START 21
export:         to AS50495 announce AS-NETBOX-CZNIX
import:         from AS15614 accept ANY # NIX:DRAGON INTERNET
export:         to AS15614 announce AS-NETBOX-CZNIX
import:         from AS5580 accept ANY # NIX:ATRATO
export:         to AS5580 announce AS-NETBOX-CZNIX
import:         from AS112 accept ANY # NIX:AS112
export:         to AS112 announce AS-NETBOX-CZNIX
remarks:        # CZ-PEERINGCZ PEERING
import:         from AS61195 accept ANY # PEERINGCZ:PEERINGCZ
export:         to AS61195 announce AS-NETBOX-CZPEERINGCZ
import:         from AS39392 accept ANY # PEERINGCZ:SUPERNETWORK
export:         to AS39392 announce AS-NETBOX-CZPEERINGCZ
remarks:        # SK-NIX-PEERING
import:         from AS47627 accept ANY
export:         to AS42005 announce AS-NETBOX-SK-NIX
import:         from AS26415 accept ANY
export:         to AS26415 announce AS-NETBOX-SK-NIX
import:         from AS6881 accept ANY
export:         to AS6881 announce AS-NETBOX-SK-NIX
import:         from AS43653 accept ANY
export:         to AS43653 announce AS-NETBOX-SK-NIX
import:         from AS16509 accept ANY
export:         to AS16509 announce AS-NETBOX-SK-NIX
remarks:        # SK-SIX PEERING
import:         from AS42005 accept ANY # SIX:LIGHTSTORM
export:         to AS42005 announce AS-NETBOX-SK-SIX
import:         from AS2607 accept ANY # SIX:SANET
export:         to AS2607 announce AS-NETBOX-SK-SIX
import:         from AS12508 accept ANY # SIX:RAINSIDE
export:         to AS12508 announce AS-NETBOX-SK-SIX
import:         from AS42841 accept ANY # SIX:ANTIK
export:         to AS42841 announce AS-NETBOX-SK-SIX
import:         from AS15962 accept ANY # SIX:ORANGE.SK
export:         to AS15962 announce AS-NETBOX-SK-SIX
import:         from AS6855 accept ANY # SIX:SK SLOVAK TELECOM
export:         to AS6855 announce AS-NETBOX-SK-SIX
import:         from AS6862 accept ANY # SIX:GRATEX
export:         to AS6862 announce AS-NETBOX-SK-SIX
import:         from AS42000 accept ANY # SIX:KAORA
export:         to AS42000 announce AS-NETBOX-SK-SIX
import:         from AS31127 accept ANY # SIX:SATRO
export:         to AS31127 announce AS-NETBOX-SK-SIX
import:         from AS8264 accept ANY # SIX:TELENOR
export:         to AS8264 announce AS-NETBOX-SK-SIX
import:         from AS16367 accept ANY # SIX:SALAMON
export:         to AS16367 announce AS-NETBOX-SK-SIX
import:         from AS50128 accept ANY # SIX:CNC
export:         to AS50128 announce AS-NETBOX-SK-SIX
import:         from AS8778 accept ANY # SIX:SLOVANET
export:         to AS8778 announce AS-NETBOX-SK-SIX
import:         from AS35328 accept ANY # SIX:SK-DSIDATA
export:         to AS35328 announce AS-NETBOX-SK-SIX
import:         from AS50953 accept ANY # SIX:KONFER
export:         to AS50953 announce AS-NETBOX-SK-SIX
import:         from AS8620 accept ANY # SIX:TEMPEST
export:         to AS8620 announce AS-NETBOX-SK-SIX
import:         from AS5578 accept ANY # SIX:GTS.SK
export:         to AS5578 announce AS-NETBOX-SK-SIX
import:         from AS16160 accept ANY # SIX:SWAN
export:         to AS16160 announce AS-NETBOX-SK-SIX
import:         from AS12905 accept ANY # SIX:ACS.SK
export:         to AS12905 announce AS-NETBOX-SK-SIX
import:         from AS24744 accept ANY # SIX:SiNET.SK
export:         to AS24744 announce AS-NETBOX-SK-SIX
import:         from AS35107 accept ANY # SIX:WIMAX
export:         to AS35107 announce AS-NETBOX-SK-SIX
import:         from AS12426 accept ANY # SIX:MADNET
export:         to AS12426 announce AS-NETBOX-SK-SIX
import:         from AS44185 accept ANY # SIX:BONET
export:         to AS44185 announce AS-NETBOX-SK-SIX
import:         from AS29208 accept ANY # SIX:DIALTELECOM
export:         to AS29208 announce AS-NETBOX-SK-SIX
import:         from AS21019 accept ANY # SIX:SASRO.SK
export:         to AS21019 announce AS-NETBOX-SK-SIX
import:         from AS49044 accept ANY # SIX:DIGISK
export:         to AS49044 announce AS-NETBOX-SK-SIX
import:         from AS38949 accept ANY # SIX:TRESTEL
export:         to AS38949 announce AS-NETBOX-SK-SIX
import:         from AS48326 accept ANY # SIX:DATANETWORKS
export:         to AS48326 announce AS-NETBOX-SK-SIX
import:         from AS20579 accept ANY # SIX:NETLABPLUS
export:         to AS20579 announce AS-NETBOX-SK-SIX
import:         from AS15935 accept ANY # SIX:HA-VEL
export:         to AS15935 announce AS-NETBOX-SK-SIX
import:         from AS25496 accept ANY # SIX:ZT
export:         to AS25496 announce AS-NETBOX-SK-SIX
import:         from AS24806 accept ANY # SIX:INTERNET.CZ
export:         to AS24806 announce AS-NETBOX-SK-SIX
import:         from AS20704 accept ANY # SIX:FUNKNETZ
export:         to AS20704 announce AS-NETBOX-SK-SIX
import:         from AS29405 accept ANY # SIX:VNET
export:         to AS29405 announce AS-NETBOX-SK-SIX
import:         from AS31117 accept ANY # SIX:ENERGOTEL
export:         to AS31117 announce AS-NETBOX-SK-SIX
import:         from AS29531 accept ANY # SIX:VM
export:         to AS29531 announce AS-NETBOX-SK-SIX
import:         from AS43248 accept ANY # SIX:ISPER
export:         to AS43248 announce AS-NETBOX-SK-SIX
import:         from AS43451 accept ANY # SIX:RADIOLAN.SK
export:         to AS43451 announce AS-NETBOX-SK-SIX
import:         from AS39392 accept ANY # SIX:SUPERNETWORK
export:         to AS39392 announce AS-NETBOX-SK-SIX
import:         from AS12301 accept ANY # SIX:INVITEL
export:         to AS12301 announce AS-NETBOX-SK-SIX
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5610-MTN
created:        2004-03-30T10:34:46Z
last-modified:  2024-06-20T15:37:56Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-STaN1-RIPE
org-name:       O2 Czech Republic, a.s.
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-STaN1-RIPE
e-mail:         unread@ripe.net
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:  2020-12-16T12:31:56Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2025-04-17T03:25:00Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-to2-nix-peer	63
RIPE	as-sixsk-members	57
RIPE	as-comsource	574
RIPE	as-dialtelecom-six	210
RIPE	as42000:as-sixsk-peerings	35
RADB	as174:as-cogc-034	34
RIPE	as-netbox-czpeeringcz	4
RIPE	as-netbox-cznix	4
RIPE	as-transcz	852
RIPE	as-dialtelecom	207
RIPE	as42000:as-nixcz-peerings	80
RIPE	as-energotel_six_peers	52
RIPE	as-sixstip-set	47
RIPE	as8251:as-nix-peerings	65
RIPE	as-43413_nt-nix	69
RIPE	as-netbox-cz	1
RIPE	as-netbox-sk-six	4
RIPE	as5578:as-sixpeers	51