Data as of Nov 8, 2026

194.228.0.0/16

64 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement

this exact prefix

RPKI valid

Announced by

AS5610

Type

Residential

68% of it

Residential-proxy exits

Proxy exits

0.10% of its addresses · 30 days

Always-on exits

4.7% of its exits

Spread

43 of 256

/24s with at least one exit

Providers

selling exits here

Oct 9, 2026 – Nov 7, 2026

Exits seen per day

9.3K observations

Residential
Business
Hosting

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
194.228.7.0/24	1	3
194.228.2.0/24	1	1
194.228.88.0/24	1	1
194.228.131.0/24	0	4
194.228.152.0/24	0	3
194.228.130.0/24	0	3
194.228.99.0/24	0	3
194.228.55.0/24	0	3
194.228.60.0/24	0	3
194.228.143.0/24	0	2
194.228.123.0/24	0	2
194.228.35.0/24	0	2
194.228.70.0/24	0	2
194.228.37.0/24	0	2
194.228.207.0/24	0	2
194.228.61.0/24	0	1
194.228.29.0/24	0	1
194.228.54.0/24	0	1
194.228.48.0/24	0	1
194.228.47.0/24	0	1
194.228.44.0/24	0	1
194.228.36.0/24	0	1
194.228.85.0/24	0	1
194.228.86.0/24	0	1

Proxy providers listing exits

2Captcha
Ake.net
AnyIP
BartProxies
BirdProxies
BlurPath
BottingTools
Bright Data
BuyingProxy
ByteProxies
Byteful
CliProxy
DataImpulse
Datarama
Decodo
EnigmaProxy
Evomi
FastProxy
FlashProxy
GSocks
Geonix
Geonode
GonzoProxy
IPFly
IPOasis
IPPeak
IPRoyal
Infatica
InfiniteProxies
LemonBright
LemonPrime
LightningProxies
LudaxProxy
MangoProxy
NodeMaven
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
Proxiware
Proxy-Seller
Proxy4U
ProxyEmpire
ProxyGeo
ProxyHat
ProxyWing
Proxyma
PuraRoute
RainProxy
Shifter
StrikeProxy
Thordata
ThunderProxy
VantageProxies
VibeProxies
VitalData
VitalExclusive
VitalProxy
Webshare
ZENPROXY_LITE
ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Proxy exits	Holder
194.228.0.0/17 since May 2005	AS5610	Residential	42 3 always on	O2 Czech Republic, a.s.
194.228.72.0/22 since Jun 2024	AS5610	Residential		O2 Czech Republic, a.s.
194.228.128.0/17 since May 2005	AS5610	Residential	22	O2 Czech Republic, a.s.
194.228.156.0/23 since Nov 2025	AS204372	Business		O2 Czech Republic, a.s.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
194.228.0.0/16	65,536	CZ-CZNET-971003	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Jun 13, 2002	abuse@o2.cz
└ 194.228.1.0/27	32	IOL-DNS-reverse	IOL	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.1.64/26	64	VLP-NET	Vltava Labe Press	ASSIGNED PA	Mar 14, 2007	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.1.160/27	32	LUK-OIL	Lukoil Prague, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.0/27	32	BFP-PCD-AIS	IOL - Internal LAN, DNS	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.32/27	32	IOL-MAIL-DNS	Prague 3	ASSIGNED PA	Sep 2, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.64/26	64	IOL-MAIL	Mail server farm - IOL customers	ASSIGNED PA	Feb 13, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.128/27	32	AMOSTYPOGRAFICKESTUDIOSPOL	Opletalova 571603	ASSIGNED PA	Jan 16, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.160/27	32	URADVLADY	NABREZIEDVARDA	ASSIGNED PA	Aug 9, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.2.192/26	64	AIS	AIS Software	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.3.0/24	256	HOSTING	HOSTING	ASSIGNED PA	Jun 11, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.0/29	8	STATUTARNIMESTOBRNOMESTC	Jirova 26092	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.8/29	8	ISSHODONIN	Lipova Alej 21	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.16/29	8	STIMEXELECTRICALSRO	Rokytova 28	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.24/29	8	MARBACHCESKAREPUBLIKA	Herspicka 75813	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.32/29	8	STREDNIODBORNEUCILISTEAODB	Vinaru 354	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.48/29	8	TIMEOUTSRO	Radlas 5	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.56/29	8	APBPLZEN	Losina 303	ASSIGNED PA	Dec 19, 2008	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.64/29	8	MGRPAVELKOLAR	Obla 81	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.72/29	8	MARTINSEDLACEK	Hackerova 7923	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.80/29	8	HAPPYSTARSRO	Cejl 91	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.88/29	8	INGIVOBURIAN	Tasov 209	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.96/29	8	HANABUCHTOVA	Pistovice 177	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.104/29	8	CEVOR	Zahradni 4001	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.112/29	8	MWG	Sportovni 1441	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.120/29	8	KAMEX	Moravni Nabrezi 1208	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.128/29	8	CARDIONSRO	Rybnicka 136	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.136/29	8	AGENTURANP	Brnenska 612	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.144/29	8	MVSPOLSRO	UL4KVETNA 288	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.152/29	8	HWGARANTSRO	Horni 28	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.160/29	8	SOLENSRO	Brezsko 96	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.168/29	8	MFPRODUCTSRO	Benesova 46	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.176/29	8	RAYSERVICE	Sadova 1385	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.184/29	8	AQUASTYL	U Cihelny 834	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.192/29	8	ZAKLADNISKOLAVELKABITES	Sadova 579	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.200/29	8	OBECVNOROVY	Hlavni 750	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.224/29	8	MESTOSTRAZNICE	NAM Svobody 503	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.232/29	8	KRONSRO	Nove Radky 3371	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.240/29	8	KRONSRO	Nove Radky 3371	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.4.248/29	8	VECERAMELIORACEVOS	Zarosice 208	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.0/29	8	KOZLIKOVAJITKA	Budapestska 52016	ASSIGNED PA	Jun 13, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.8/29	8	CERICCZSRO	unknown	ASSIGNED PA	Jul 14, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.16/29	8	CSEDEKASPOLSRO	Korozluky - Sedlec, okr.Most	ASSIGNED PA	Jul 14, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.24/29	8	ETEZETUNIREC	Prazska 234	ASSIGNED PA	Mar 31, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.32/29	8	BLACKDECKER	Usti n/Lab.	ASSIGNED PA	Jul 14, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.40/29	8	SAUERZANDOVAS	Zandov u Ceske Lipy	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.48/29	8	PLASTIKPAK	K vypichu 1086	ASSIGNED PA	Aug 19, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.56/29	8	HOMOHUMANUSVOS	Cizkovice	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.64/29	8	CONSULTINVOS	Rychnov u Jablonce nad Nisou	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.72/29	8	LUCERNA	Hrobcice	ASSIGNED PA	Jul 18, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.80/29	8	BTVPLAST	Na Hutich 1972/19	ASSIGNED PA	Jan 27, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.88/29	8	CHVALISSRO	Hostka 41172	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.96/29	8	ZZNMELNIKNET	Kokorinska 2981	ASSIGNED PA	Oct 1, 2007	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.104/29	8	DOVERCRSPOLSRO	unknown	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.112/29	8	FEHRERBOHEMIASRO	Liberec	ASSIGNED PA	Jul 16, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.120/29	8	SARNAMOTIVEBOHEMIA	Amperova 493	ASSIGNED PA	Apr 25, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.128/29	8	METROSTAV	Kninice 93	ASSIGNED PA	Jan 10, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.136/29	8	VUTSCZ	Liberec	ASSIGNED PA	Mar 30, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.144/29	8	MEXISRO	Ceska Lipa	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.152/29	8	BENARAS	Benesov nad Ploucnici	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.160/29	8	THERMOLASTKS	Detrichov	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.168/29	8	SPEDITIONROSNERSRO	unknown	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.176/29	8	BDDRUZSTVAUSTINADLABEM	Usti nad Labem	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.184/29	8	BDDRUZSTVAUSTINADLABEM	Usti nad Labem	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.192/29	8	MESTSKEDIVADLOUSTINLABEM	Usti nad Labem	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.208/29	8	SEALLVOS	Chomutov	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.216/29	8	MESTOTANVALD	unknown	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.224/29	8	KOREKJELINEKSPOLSRO	Rychnov u Jablonce nad Nisou	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.232/29	8	UNIBON	Ostrava	ASSIGNED PA	Jun 27, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.240/29	8	JLSRO	Liberec	ASSIGNED PA	Aug 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.7.248/29	8	TIGROUPAUTOMOTIV	Belgicka 400	ASSIGNED PA	Sep 8, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.8.0/24	256	JLABS	Janiga Labs s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.10.0/25	128	UPVNET	Antonina Cermaka 10572A	ASSIGNED PA	Jul 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.10.128/25	128	LAN_CHECKPOINT	IOL Internal, Thamova	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.11.0/24	256	CGNAT	O2 Czech Republic, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.12.0/24	256	HOSTING	HC Chodov	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.13.0/24	256	CGNAT	O2 Czech Republic, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.0/29	8	HASICSKYZACHRANNYSBORHLMP	Sokolska 62	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.8/29	8	VUCENGINEERINGAS	Svobodova 19611	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.16/29	8	METROSTAV	Vranany	ASSIGNED PA	Aug 23, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.24/29	8	SWIETELSKYSTAVEBNISRO	Senovazne Namesti 9933	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.32/29	8	STREDISKOKRESTANSKEPOMOCIHO	Krovinovo NAM1116	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.40/29	8	ALLIANZPOJISTOVNAAS	Rimska 12103	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.48/29	8	SUBTERRAAS	Bezova 16581	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.56/29	8	BARCOMANUFACTURINGSRO	Bieblova 122719	ASSIGNED PA	Mar 6, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.64/29	8	AUTOCONTZAKLSKOLA	Skolska 290	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.72/29	8	SOLIDEANETPARTNERSRO	Do Lipan 340	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.80/29	8	WEPSRO	Jecna 5	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.88/29	8	MARQUIS	Taboritska 23	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.96/29	8	MOCHOVSKEMRAZIRNYAS	Mrazirny 70	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.104/29	8	CSCARGO	Kosmonosy	ASSIGNED PA	May 7, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.112/29	8	NOVYHORIZONTSPOLSRO	Narodni Trida 20	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.120/29	8	REUTERSSRO	Narodni 19	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.128/29	8	OKRESNIHYGIENICKASTANICE	Palackeho Trida 1567	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.136/29	8	ELEKTROSYSTEMTECHNIKSRO	POD Pekarnami 33812	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.144/29	8	FAM	Namesti Miru 279	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.152/29	8	KATERINSKAHOTEL	Praha 2	ASSIGNED PA	Jul 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.160/29	8	ARSYSTEMSRO	Delnicka 30ZADNI Budova	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.168/29	8	ELMEPSRO	V Ruzovem Udoli 556	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.176/29	8	IMAGINETSAP	Krizikova 237	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.184/29	8	PDCPRAGUE	Nobj 3	ASSIGNED PA	Jul 18, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.192/29	8	NEWLINKSPOLSRO	Stejskalova 1512	ASSIGNED PA	Mar 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.200/29	8	JETBRAINSSRO	Klanova 9	ASSIGNED PA	Mar 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.216/29	8	PRVNINOVINOVASPOLECNOSTAS	Hvozdanska 57	ASSIGNED PA	Mar 6, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.224/29	8	SUPERSTARPRODUCTIONSSRO	Terronska 12535	ASSIGNED PA	Mar 5, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.232/29	8	REJNOKSPOLSRO	NA Spojce 4	ASSIGNED PA	Mar 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.240/29	8	POLYGRAFIAAS	Svobodova 1	ASSIGNED PA	Mar 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.14.248/29	8	METABO	Brandys nad Labem	ASSIGNED PA	May 26, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.0/29	8	VRVFORWARDINGSRO	Krizatky 8	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.8/29	8	BRZDOVEAUTOMOBILOVEKOTOUCE	Areal Spolckd Motory AS	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.16/29	8	KADEVESPOLSRO	Mirove Namesti 104	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.56/29	8	KORADO	Ceska Trebova	ASSIGNED PA	Jun 21, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.64/29	8	ORCZ	J.M.Marku 113	ASSIGNED PA	Feb 2, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.96/29	8	OPTREX	Bucharova 194	ASSIGNED PA	Sep 24, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.208/29	8	HARTMANNRICO	Chvalkovice 125	ASSIGNED PA	Apr 13, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.15.216/29	8	VEOLIAWATER	Rybitvi	ASSIGNED PA	Apr 11, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.16.0/24	256	INGVIKTORBURKETCMS	Masarykova 1404/34	ASSIGNED PA	Sep 21, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.16/28	16	PETRNEBESKYINGPNCA	U Prasne Brany 3	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.32/28	16	Raiffeisenbank	Hvezdova 1716/2b	ASSIGNED PA	Jul 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.48/28	16	COMPUTERCITYAS	Bauerova 10	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.128/26	64	CMC	Ceskomoravsky cement, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.192/28	16	COMSOFTPRAHA	Videska 55	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.17.224/27	32	CIS-INDOS	CIS for school	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.18.0/24	256	CP-NET	Ceska Pojistovna, Prague	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.0/29	8	MESTOLETOVICE	Masarykovo NAM 21019	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.8/29	8	MAGNUMTRADEAS	Brnenska 8	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.16/29	8	HPTRONICZLINSPOLSRO	OD Prior NAM TGM 6	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.24/29	8	CSADHODONINAS	Brnenska 48	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.32/29	8	CSADHODONINAS	Brnenska 48	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.40/29	8	INGMIROSLAVMECIAR	Lanice 51	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.56/29	8	MLEKARNAOLESNICERMD	Trzni 376	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.72/29	8	SMORAVASRO	Skroupova 2	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.80/29	8	CZEIKASRO	Prumyslova 31435	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.88/29	8	VECRASPOLSRO	Jamska 30	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.96/29	8	JTWTCZ	JTWT CZ Ksirova 633114	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.104/29	8	ARCHITEKTIHRUSAAPELCAKATE	Zizkova 5	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.112/29	8	KORYNANABYTEKAS	Masarykova 260	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.120/29	8	GEODING	Jungmannova 981	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.128/29	8	RIOKNA	Bzenec	ASSIGNED PA	Jun 7, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.136/29	8	MISBRNO	Domky 484	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.144/29	8	ZSOSLAVANY	Hlavni 85043	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.152/29	8	SPECIALTURBO	Nechorska 299	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.160/29	8	HOSTING	HOSTING	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.176/29	8	MESTOROUSINOV	Susilovo NAM5634	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.184/29	8	NEMOCNICESPOLIKLINIKOU	Siroka 16	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.192/28	16	REDA	Hviezdoslavova 55d	ASSIGNED PA	May 6, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.208/29	8	OKRESNIHYGIENICKASTANICEHOD	Plucarna 1A	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.216/29	8	VIKYSPOLSRO	Vezni 12496	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.224/29	8	AGROTEC	Brnenska 12/74	ASSIGNED PA	Apr 4, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.232/29	8	AUTOKELLY	HC Nagano	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.240/29	8	COMMUNICATIONSOLUTIONS	POD Kalvarii 1071	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.19.248/29	8	SPRAVANEMOVITOSTIMESTABRNA	Masarykova 37	ASSIGNED PA	Mar 23, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.20.0/24	256	CGNAT	O2 Czech Republic, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.21.0/24	256	VPDN_WAN_INT	VPDN interfaces	ASSIGNED PA	Jul 11, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.0/28	16	ELIXNET	Trebon II	ASSIGNED PA	Jun 3, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.16/28	16	ELIXNET	Horni Plana	ASSIGNED PA	Jun 3, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.32/28	16	ELIXNET	Velesin	ASSIGNED PA	Jun 3, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.48/28	16	ELIXNET	Kaplice	ASSIGNED PA	Jun 3, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.64/26	64	LUROPE	Valmez	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.128/26	64	SPOFA-NET	Spofa, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.22.192/26	64	SKOFIN-NET	Karmelicka 547	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.23.0/24	256	GE_CAPITAL_BANK	Vyskocilova 1410/1	ASSIGNED PA	Jul 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.0/29	8	PROBOTRANSBEROUNSRO	Kraluv Dvur	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.8/29	8	PROFESSIONALCALLCENTERSOLUTIONSSRO	Cestlice	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.16/29	8	IMAPRODUCTIONSRO	Praha 10	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.24/29	8	POLYCOMPSRO	Podebrady Kluk	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.40/29	8	ACISCONSTRUCTIONANDTECHNOLOGYSERVICE	unknown	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.48/29	8	PUNCOVNIURAD	Kozi 784/4	ASSIGNED PA	Feb 3, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.56/29	8	PAVILONRICANYSRO	Ricany 251 01	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.64/28	16	BAWAGBANK	Vitezna 1	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.88/29	8	CESKYWEBAS	Praha 10	ASSIGNED PA	Jul 16, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.96/29	8	AMERICKEVELVYSLANECTVI	Praha 1-Mala Strana	ASSIGNED PA	Jul 16, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.104/29	8	CEDRUSINVENTSPOLSRO	Praha 2-Nove Mesto	ASSIGNED PA	Jul 16, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.112/29	8	TEAMCONSULTSRO	Praha 2 Vinohrady	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.120/29	8	TEMPOTEAMSRO	Praha 10 Malesice	ASSIGNED PA	Jul 15, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.128/27	32	COMPUTERMARKETINGSERVICEC	Ceska 473	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.160/27	32	IDSSCHEERCRSRO	Pekarska 6217	ASSIGNED PA	Jun 18, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.192/27	32	CEDOKAS	Krupska 30	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.24.224/27	32	EDWARDMFAMASUMCAD	VU Bechovice B22	ASSIGNED PA	Jun 12, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.48/28	16	MULTITEAM	Multiteam	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.64/26	64	EURONETCZ	Stepanska 18	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.128/29	8	HOSTING	HC Nagano	ASSIGNED PA	Sep 8, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.144/28	16	ORACLE	Oracle Czech	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.160/28	16	WJC-NET	Wunderman Cato Johnson	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.25.192/26	64	NEPA-SHARP	Nepa s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.0/29	8	VHVOPUSAS	Karlovo NAM 3193	ASSIGNED PA	Jun 13, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.24/29	8	SVAMBERKNETSRO	Sobesicka 151	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.32/29	8	MITSUBISHIELECTRICAUTOMOTIVE	Slezska 7	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.40/29	8	STAVITELSTVIKLADNOSPOLSRO	Lzapotockeho 3094	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.48/29	8	JASONTRAVELSRO	Chelcickeho 13	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.56/29	8	INGJANABARCAKOVA4JAN	Vaclavske NAM 37	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.64/29	8	IZIPSPOLSRO	U Krcske Vodarny 28	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.72/29	8	AUTOCENTRUMNABOHDALCISRO	Bohdalecka 141612	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.80/29	8	MABANLAGENBYUBOHEMIASRO	Stetkova 18	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.88/29	8	VODSRO	Vrapicka 4	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.96/29	8	PORTALSRO	Klapkova 2	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.104/29	8	AMPRACZSRO	Drmarodyho 5	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.112/29	8	ALGECOSRO	OLSIK	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.120/29	8	ANETACZSRO	POD Vinici 1238	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.152/29	8	MUZOAS	V Olsinach 62680	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.26.160/29	8	AUTORECARSRO	NA Pile 300	ASSIGNED PA	Apr 4, 2002	abuse@o2.cz via CZ-CZNET-971003

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A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses

Type	Addresses	Share	Ranges
Residential	44,603	68%	329
Business	19,653	30%	1,541
Hosting	1,280	2.0%	5

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS5610

Name: O2 Czech Republic, a.s.
Type: Internet provider
Registered: Apr 25, 1996
Domain: o2.cz
Website: www.o2.cz
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
194.228.0.0/16	AS5610	/16	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS5610	RIPE	CZ.CZNET	AS5610-MTN	Jun 26, 2002

194.228.0.0/16

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS5610

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact