Data as of Nov 9, 2026

194.228.128.0/17

22 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement

this exact prefix

RPKI valid

Announced by

AS5610

Type

Residential

69% of it

Residential-proxy exits

Proxy exits

0.07% of its addresses · 30 days

Spread

13 of 128

/24s with at least one exit

Providers

selling exits here

Oct 10, 2026 – Nov 8, 2026

Exits seen per day

1.3K observations

Residential
Hosting

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
194.228.131.0/24	0	4
194.228.152.0/24	0	3
194.228.130.0/24	0	3
194.228.143.0/24	0	2
194.228.207.0/24	0	2
194.228.146.0/24	0	1
194.228.150.0/24	0	1
194.228.129.0/24	0	1
194.228.154.0/24	0	1
194.228.193.0/24	0	1
194.228.200.0/24	0	1
194.228.205.0/24	0	1
194.228.217.0/24	0	1

Proxy providers listing exits

2Captcha
Ake.net
AnyIP
BartProxies
BirdProxies
BottingTools
BuyingProxy
ByteProxies
Byteful
CliProxy
Datarama
Decodo
EnigmaProxy
Evomi
FastProxy
FlashProxy
GSocks
Geonode
GonzoProxy
IPOasis
IPPeak
Infatica
InfiniteProxies
LemonBright
LemonPrime
MangoProxy
NodeProxy
NovaProxy
Novada
Oxylabs
PROXYSCRAPE
Proxiware
Proxy-Seller
ProxyEmpire
ProxyGeo
ProxyHat
Proxyma
RainProxy
Shifter
Thordata
ThunderProxy
VantageProxies
VitalData
VitalExclusive
Webshare
ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
194.228.0.0/16 since May 2005	AS5610	Residential	63 3 always on	O2 Czech Republic, a.s.

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
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
└ 194.228.129.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Jun 3, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.130.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Jun 3, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.133.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.134.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.135.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.136.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.137.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.138.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.139.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Oct 31, 2012	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.140.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Oct 31, 2012	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.141.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Oct 31, 2012	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.142.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Oct 31, 2012	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.143.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.144.0/30	4	PODNIKATELSKA_DRUZSTEVNI_ZALOZNA	Celetna 595/17	ASSIGNED PA	Oct 3, 2023	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.145.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.147.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.148.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.149.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.150.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.151.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.152.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.153.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.154.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.155.48/29	8	TRAVELFREE	Vaclavske Namesti	ASSIGNED PA	Nov 5, 2010	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.156.0/24	256	STATUTBRNO_NET	Malinovskeho namesti 624/3	ASSIGNED PA	Aug 6, 2010	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.157.0/24	256	STATUTBRNO_NET	Malinovskeho namesti 624/3	ASSIGNED PA	Aug 2, 2010	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.159.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.160.0/25	128	FOXCONN	Karlov 245	ASSIGNED PA	Aug 29, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.161.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.162.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.163.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.164.0/24	256	Wi-Fi-Vit	Selska 944	ASSIGNED PA	Jul 17, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.166.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.167.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.168.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.171.0/24	256	TIPSPORT	Politickych vìzòù 156	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.172.0/24	256	FTTXSYLVAN	Na Chmelnicich	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.173.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.174.0/24	256	MHS	HC Nagano	ASSIGNED PA	Aug 29, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.175.0/25	128	MHS	HC Nagano	ASSIGNED PA	Aug 29, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.175.128/25	128	O2CLOUD	HC Nagano	ASSIGNED PA	Apr 26, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.176.0/24	256	Backbone-interconnections	Praha 3	ASSIGNED PA	Jul 11, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.177.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.178.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	May 28, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.179.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.180.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.181.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.182.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.183.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.184.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.185.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.188.0/26	64	LANONLINE-BRNO	Office on line Brno	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.188.64/26	64	LAN-ON-LINE-NET	Office on line Cesky Brod	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.188.128/26	64	NETRON	Netron-Libor Konecny	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.188.192/26	64	ZLIN-LANON-LINE	Office on line Zlin, Pardubice	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.190.0/24	256	Backbone-interconnections	Praha 3	ASSIGNED PA	Jul 11, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.191.0/24	256	SAPINLTD	Badoo Limited	ASSIGNED PA	Jul 7, 2008	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.0/26	64	VLTAVALABEPRESS	Pratelstvi 584	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.80/28	16	LET-NET	Letiste Ruzyne	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.96/27	32	WAN-CUSTOMER-VPN	Loopback interface	ASSIGNED PA	Jun 20, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.128/28	16	DL-NET	unknown	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.160/27	32	ECONOMIAAS	Praha	ASSIGNED PA	Jun 25, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.192.192/28	16	USBUSINESSSCHOOL	Naprstkova 10/272	ASSIGNED PA	May 6, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.193.64/26	64	MESTOJICIN	Mesto Jicin,Zizkovske nam.18	ASSIGNED PA	Jun 18, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.193.128/26	64	INGMANAGEMENTSERVICESSRO	Plzeska 3441	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.194.16/28	16	VEREINSBANKCZAS	Italska 24	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.194.64/26	64	PRUMSTAV	Stetkova 1638/18	ASSIGNED PA	Jan 13, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.194.192/28	16	GRAFTON	HC Chodov	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.194.216/29	8	SILBAELSTAVSRO	Namesti 8	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.194.224/28	16	KENVELO-CZ-NET	KENVELO CZ, spol. s r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.195.16/28	16	AGROFERT-NET	Agrofert Holding, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.195.32/27	32	HYDRONET-CZ	Hydro Czech Republic, s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.195.160/29	8	METAMAX	Za nadrazim 296	ASSIGNED PA	Jan 9, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.195.248/29	8	EFFECTCONSULTING	Komenského 4847/15	ASSIGNED PA	Feb 4, 2009	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.0/28	16	NEMOCNICEMOTOL	Praha Smichov	ASSIGNED PA	Jul 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.16/28	16	PLANETA-CZ-NET	Planeta CZ, spol. s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.32/27	32	RUN-INTERACTIVE-NET	Run Interactive, s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.128/28	16	PHONE-HOUSE-NET	The Phone House, spol. s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.160/28	16	INC-NET	ICN Czech Republic a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.192/28	16	RD-NET-CZ	Readers Digest, spol. s.r.o.	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.196.224/28	16	CZECHINTERNATIONALAS	Nupaky 148	ASSIGNED PA	Apr 28, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.197.16/29	8	KSKATALOGSERVIS	Stahlavy	ASSIGNED PA	Jan 10, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.197.48/29	8	SUNCHEMICAL	Brno	ASSIGNED PA	Jan 10, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.197.120/29	8	CSPZV	Snemovni 9	ASSIGNED PA	Jan 23, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.197.128/29	8	KCRSERVIS	Rohacova 42/301	ASSIGNED PA	Jan 23, 2006	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.0/29	8	SMVAK	28 rijna 1235/169	ASSIGNED PA	Aug 5, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.8/29	8	CONSULTING4U	Grabovscok 9098	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.16/29	8	NEMPODLESI	Konska 453	ASSIGNED PA	Nov 11, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.24/29	8	URADPRACEKARVINA	TROSVOBOZENI60A1338	ASSIGNED PA	Mar 4, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.32/29	8	ALPINESTAVEBISPOLECNOSTCZ	Jiraskova 13	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.40/29	8	VALTO	Jablunka 607	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.48/29	8	OMYAAS	Vapenna 444	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.56/29	8	VERTCOMSRO	Hlavni Trida 3SLOVANSKY DUM	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.72/29	8	ZPSPREFIX	Ratibor	ASSIGNED PA	Jul 12, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.104/29	8	ISOLAPOWERTEKKSRO	Raskov 90	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.112/29	8	VEZESKASLUZBACR	Frystatska 17840	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.120/29	8	SOUPOLYGRAFICKE	TR Svobody 59621	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.128/29	8	MESTOTRINEC	Jablunkovska 160	ASSIGNED PA	Aug 16, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.144/29	8	AUTOCONTCZAS	Kafkova 14865	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.184/29	8	SUCKERMULLERHACOBASRO	Lipenska 451170	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.192/29	8	PANSPEDSPOLSRO	Podebradova 16	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.216/29	8	GDFSPOLSRO	Mostkov 28	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.224/29	8	MIROSLAVPROKES	Vodni 453	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.232/29	8	REHABILITACNIUSTAVHRABYNE	Komenskeho 14	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.240/29	8	STAVIASILNICNISTAVBYAS	STRADALU63147	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.198.248/29	8	PRAMETTOOLSSRO	Unicovska 2	ASSIGNED PA	Jun 7, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.199.0/24	256	CZSO-NET	Czech Statistical Office	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.200.0/24	256	HOSTING	HC Nagano	ASSIGNED PA	Sep 8, 2013	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.0/28	16	HSA-NET	Ing. Helena Sourkova - Agentura Puldolar	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.16/28	16	VELVANAAS	unknown	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.32/28	16	HIGHSPEEDCABLINGCZSPOLSR	Jaromerska 208	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.64/28	16	OBOROVAZDRAVOTNIPOJISTOVNAZ	Roskotova 12251	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.80/28	16	CEROZFRUCHTSRO	Sklad Ovoce A Zeleniny	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.96/28	16	PLASTIKPAK	K vypichu 1086	ASSIGNED PA	Nov 23, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.112/28	16	UPCSPORTSPOLSRO	U Nakladoveho Nadrazi 31546	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.128/28	16	COLUMBUS	Columbus IT Partner	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.144/28	16	MIA	M.I.A.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.160/28	16	AHOLDCZECHREPUBLICAS	Slavickova 1	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.176/28	16	AHOLDCZECHREPUBLICAS	Slavickova 1	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.192/28	16	SCAMBD	Podolska 401/50	ASSIGNED PA	Jul 26, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.208/28	16	POVODIVLTAVYAS	Holeckova 8106	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.224/28	16	INGVIKTORBURKETCMS	Horovice	ASSIGNED PA	Jul 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.201.240/28	16	AUTOCONTPRAHA4	NA Pankraci 16	ASSIGNED PA	Jun 6, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.202.0/24	256	IOL-ADSL	Dial-In Network	ASSIGNED PA	Mar 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.203.0/24	256	TCETELENET	Komenskeho 136	ASSIGNED PA	Mar 11, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.0/28	16	EUROPEANTOUCHPRODUCTIONS	Parizska 11	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.32/27	32	SSET-NET	Soukroma stredni skola obchodne technicka s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.64/27	32	GORENJE	Pobocna 11395	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.112/28	16	AXA	Lazarska 13	ASSIGNED PA	Jun 17, 2009	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.128/27	32	CESKYTELECOMASDS	Smetanovo Nabrezi 198	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.160/27	32	CMS-NET	ING. Viktor Bukert - CMS Consulting	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.192/28	16	DJM-NET	Daw Johnes Markets, GmbH	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.208/28	16	XEMAX	Branicka 43	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.224/28	16	OPENGATE	Babice 5	ASSIGNED PA	Jun 9, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.204.240/28	16	SUBTERRA	Bezova 1658/1	ASSIGNED PA	Oct 22, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.0/26	64	HOUSING-MIA	Thamova 11	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.64/26	64	AUTOCONT	AutoCont Holding a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.128/27	32	ZDRAVOTNIPOJISTOVNAMETALALI	Kollarova 158	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.160/28	16	TICKETPROAS	Salvatorska 10	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.176/28	16	PETRSTRANSKY	Vita Nejedleho 15	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.192/29	8	DACHDECKER	Dobrovskeho 1936	ASSIGNED PA	Apr 18, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.216/29	8	JEDNOTASPOTREBNIDRUZSTVOPL	Babinska 403	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.205.248/29	8	IAPPLICATIONSSRO	NA Vyhlidce 103050	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.0/27	32	CECHIE-NET	Hotel CECHIE-PRAHA	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.32/27	32	EPE-NET	EXPERT&PARTNER Engineering, s.r.o.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.64/27	32	VYSTAVISTEPRAHA	Vystaviste Praha	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.96/27	32	KOOPERATIVA-BRNO	BRNO	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.128/27	32	CESKYHYDROMETEOROLOGICKYUTAV	Praha 4-Komorany	ASSIGNED PA	Jul 14, 2003	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.160/27	32	TOMASSCHELALLSTAR	Chelcickeho 9	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.192/27	32	THEDROGERIEAS	U Libeskeho Pivovaru 632	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.206.224/27	32	ANNONCE	NA Porici 30	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.207.0/24	256	TranSoft	Vrbenska 2082	ASSIGNED PA	Jun 9, 2017	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.8/29	8	OKAY	Ksirova 50432	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.16/28	16	CESKY-OKRUH	Cesky Okruh 98	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.32/27	32	JFROSHLSRO	Krapkova 28	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.64/27	32	ERKOR	Nachod	ASSIGNED PA	Dec 8, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.128/27	32	SROUBZD	Sroubarna Zdanice, a.s.	ASSIGNED PA	—	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.192/29	8	LIPSPOLSRO	U Nisy 114	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.200/29	8	KOVOCENTRUM	Loucna 39	ASSIGNED PA	Jul 22, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.216/29	8	HARTMANNRICO	Most	ASSIGNED PA	Jun 28, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.224/29	8	ELAPLAST	Litvinov	ASSIGNED PA	Jun 23, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.232/29	8	CSCARGOSRO	Kratochvilova 2659	ASSIGNED PA	Jun 11, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.240/29	8	MESTSKYURADZDARNSAZ	NAM Republiky 2	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.208.248/29	8	AUTOMOTODROMBRNO	OSTROVACICKA	ASSIGNED PA	Jun 9, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.209.128/25	128	WAN-CUSTOMER	Loopback interface	ASSIGNED PA	Jun 10, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.0/29	8	CCICAPITALCREDITINVESTS	Prazska 2327	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.16/29	8	ZSHORNOMECHOLUPSKA	Hornomecholupska 873	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.24/29	8	JANHESSMODELSPORT	Bezrucova 339	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.40/29	8	EMPECOMSRO	NA Sibeniku 2571	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.48/29	8	MCKINSEYANDCOMPANY	NA Rybnicku 5	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.56/29	8	TEEKANESRO	K Hajum 12332	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.64/29	8	UNIEVYDAVATELU	NA Porici 30	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.72/29	8	DETSKATISKOVAAGENTURAKLUB	NA Nivach 314	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.80/29	8	INTIMATEARTSSRO	V Kolkovne 9087	ASSIGNED PA	Jun 11, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.88/29	8	LIFESPORTSRO	Husovo Namesti 14	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.96/29	8	DUMDETIAMLADEZE	Premyslenska 110215	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.104/29	8	KATERINSKAHOTEL	Praha Nove Mesto	ASSIGNED PA	Jul 1, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.128/29	8	ZSHANSPALKA	Susicka 29	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.136/29	8	CSOBLEASINGAS	Rohacova 114863	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.144/29	8	ZAKLADNISKOLAPRAHA2	Londynska 34	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.152/29	8	ELEKTROSTAVKOUDELAAS	Namesti Miru 3	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.160/29	8	EKOFIDASSRO	Soumarska 972	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.176/29	8	BELSPOLSRO	Malesicke NAM 19	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.192/29	8	JUDRVLADIMIRDOLEJSCONSULTIN	Brehova 433	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.200/29	8	ADVOKATNIKANCPEJCHALASPOL	Riegrova 3365	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.208/29	8	ZSDOLAKOVA	Dolakova 5551	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.216/29	8	KASTNEROHLER	Benatky nad Jizerou	ASSIGNED PA	Aug 13, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.224/29	8	HANSEATICSERVICE	Praha 10	ASSIGNED PA	May 6, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.232/29	8	HOPPENSTEDBONNIERINFORMATION	Jaromirova 37	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.210.240/29	8	COLORCARS	Drasov	ASSIGNED PA	Jul 15, 2004	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.0/29	8	BOHEMIAPROMOTIONAGENCY	Tesnov 1	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.8/29	8	FILIPKUMZAKRESTAURANTALB	NA Hutich 9	ASSIGNED PA	Jun 11, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.16/29	8	PRELOMCZSRO	Haklova 1253	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.24/29	8	PROTRADESRO	Libusska 128139	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.32/29	8	CITIBANKAS	Evropska 423178	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.48/29	8	FTVPRIMA	Praha 9	ASSIGNED PA	Aug 29, 2005	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.56/29	8	PERGAMONINVESTCZSPOLSR	NAD Sarkou 471938	ASSIGNED PA	Jun 11, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.64/29	8	EUROTEL	Karlovo Namesti Vaclav Pasaz	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.72/29	8	SOLIDEANETPARTNERSRO	Do Lipan 340	ASSIGNED PA	Mar 26, 2002	abuse@o2.cz via CZ-CZNET-971003
└ 194.228.211.80/29	8	MASSIVEPROMOTION	Krkonosska 9	ASSIGNED PA	Jun 11, 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

32,768 addresses

Type	Addresses	Share	Ranges
Residential	22,451	69%	149
Business	10,061	31%	775
Hosting	256	0.78%	1

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
194.228.128.0/17	AS5610	/17	RIPE	RPKI valid
194.228.0.0/16	AS5610	/16	RIPE	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 14, 2003

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
194.228.135.0/24	AS5610	RIPE		AS5610-MTN	Jan 8, 2018
194.228.163.0/24	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
194.228.168.0/21	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
194.228.176.0/20	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
194.228.192.0/18	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
194.228.199.0/24	AS5610	RIPE		AS5610-MTN	Jan 3, 2018

194.228.128.0/17

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Announcements

Covering announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS5610

Covering aggregate above, the prefix's own history below

Routing history

Route origin authorizations

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact