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	Prefix	Description
	31.3.32.0/19	O2 Slovakia, s.r.o.
	37.58.0.0/20	O2 Slovakia, s.r.o.
	37.152.96.0/19	O2 Slovakia, s.r.o.
	46.34.224.0/19	O2 Slovakia, s.r.o.
	90.176.0.0/19	O2 Business Services, a.s
	91.191.69.0/24	O2 Slovakia s.r.o.
	91.191.80.0/22	O2 Slovakia s.r.o.
	151.236.224.0/20	O2 Slovakia, s.r.o.
	185.103.144.0/22	O2 Business Services, a.s
	2a03:6947:1800::/40	-
	2a06:2c40::/29	O2 Business Services, a.s

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS5610	O2 Czech Republic, a.s.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS60715	Lombard s.r.o.	✔	✘
	AS5610	O2 Czech Republic, a.s.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS25496	ZSR - ZT Bratislava	✔	✔
	AS57414	eustream as	✔	✘
	AS204691	PLAYMAX s.r.o.	✔	✘
	AS5405	Inter.link GmbH	✔	✔
	AS205055	Geetoo Technology SK s. r. o.	✔	✔
	AS50629	LWLcom GmbH	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS216265	ARISTO NETWORKS LTD	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS1764	Next Layer Telecommunications	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS8220	COLT	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✔
	AS3303	Swisscom (Schweiz) AG	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS200249	Products Up GmbH	✔	✔
	AS49659	SkyToll, a. s.	✔	✘
	AS47483	GIRO, s.r.o.	✔	✘
	AS2607	Zdruzenie pouzivatelov Slovenskej akademickej datovej...	✔	✔
	AS40994	Alwyzon (Hohl IT)	✔	✔
	AS49121	Infinity Telecom, s.r.o.	✔	✔
	AS51184	Fonira Telekom GmbH	✔	✔
	AS50698	TETA s.r.o.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS8881	1&1 Versatel GmbH	✔	✔
	AS21013	eww ag	✔	✘
	AS21430	WIA spol. s.r.o.	✔	✘
	AS15943	wilhelm.tel GmbH	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS8529	Zain Omantel International FZ-LLC	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS8447	A1 Telekom Austria AG	✔	✔
	AS33891	Core-Backbone GmbH	✔	✘
	AS35297	Dataline LLC	✔	✔
	AS43653	PEGO Slovakia, s.r.o.	✔	✘
	AS24482	SG.GS	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS34779	T-2, d.o.o.	✔	✔
	AS44066	firstcolo GmbH	✔	✔
	AS56382	vServer.site LTD	✔	✔
	AS1820	WNET TELECOM USA Corp.	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS8767	M-net Telekommunikations GmbH	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS6663	Türk Telekom International	✔	✔
	AS215120	Evolus IT Solutions GmbH	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS24953	NETPLANET GmbH	✔	✘
	AS30058	FDCservers.net	✔	✘
	AS264409	Huge Networks	✔	✘
	AS9009	M247 Europe SRL	✔	✘
	AS16097	HL komm Telekommunikations GmbH	✔	✘
	AS3212	Telemach Slovenija d.o.o.	✔	✘
	AS47927	WIFIWEB s.r.l.	✘	✔
	AS22356	Durand do Brasil Ltda	✘	✔
	AS16142	ING Bank N.V., pobocka zahranicnej banky	✔	✘
	AS37721	Virtual Technologies & Solutions	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS60715	Lombard s.r.o.	✔	✘
	AS25496	ZSR - ZT Bratislava	✔	✔
	AS204691	PLAYMAX s.r.o.	✔	✘
	AS47483	GIRO, s.r.o.	✔	✘
	AS49659	SkyToll, a. s.	✔	✘
	AS205055	Geetoo Technology SK s. r. o.	✔	✔
	AS57414	eustream as	✔	✘

aut-num:        AS28952
as-name:        O2BSSK
org:            ORG-OBSS2-RIPE
import:         from AS5610 accept ANY
export:         to AS5610 announce AS-O2BSSK
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SK-BS-MNT
created:        2015-06-08T16:48:32Z
last-modified:  2018-09-04T11:36:43Z
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-OBSS2-RIPE
org-name:       O2 Business Services, a.s
country:        SK
org-type:       LIR
address:        Dummy address for ORG-OBSS2-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        SKBS1-RIPE
mnt-ref:        SK-BS-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SK-BS-MNT
created:        2015-06-05T16:14:20Z
last-modified:  2025-04-14T10:35:47Z
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: 2026-02-07T03:24:01Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-o2bssk	18
RIPE	as-ctiol	218
RIPE	as-sixsk-members	57