Data as of Nov 12, 2026

90.181.0.0/16

412 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement

this exact prefix

RPKI valid

Announced by

AS5610

Type

Residential

>99% of it

Residential-proxy exits

Proxy exits

412

0.63% of its addresses · 30 days

Always-on exits

6.1% of its exits

Spread

139 of 256

/24s with at least one exit

Providers

selling exits here

Oct 13, 2026 – Nov 11, 2026

Exits seen per day

59K observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
90.181.140.0/24	3	9
90.181.230.0/24	2	8
90.181.30.0/24	2	8
90.181.120.0/24	2	7
90.181.94.0/24	1	10
90.181.12.0/24	1	5
90.181.5.0/24	1	5
90.181.63.0/24	1	5
90.181.17.0/24	1	5
90.181.48.0/24	1	4
90.181.56.0/24	1	4
90.181.19.0/24	1	4
90.181.102.0/24	1	4
90.181.76.0/24	1	3
90.181.236.0/24	1	3
90.181.72.0/24	1	3
90.181.44.0/24	1	3
90.181.59.0/24	1	3
90.181.52.0/24	1	1
90.181.255.0/24	1	1
90.181.70.0/24	0	8
90.181.33.0/24	0	8
90.181.216.0/24	0	8
90.181.10.0/24	0	7

Proxy providers listing exits

2Captcha
711Proxy
9Proxy
Ake.net
AnyIP
B2Proxy
BartProxies
BirdProxies
BlurPath
BottingTools
BuyingProxy
ByteProxies
Byteful
CatProxies
CliProxy
DataImpulse
Datarama
Decodo
EVOPROXY
EZProxies
EnigmaProxy
Evomi
FLEETPROXY
FastProxy
FlashProxy
FuseProxy
GSocks
GeekProxy
Geonix
Geonode
GloryCloud
GonzoProxy
HydraProxy
INSTANTSOCKS_PREMIUM
IPFly
IPMUSK
IPOasis
IPPeak
IPRoyal
Infatica
InfiniteProxies
KocerRoxy
LemonBright
LemonLabs
LemonPrime
LightningProxies
LudaxProxy
MagneticProxy
MangoProxy
MarsProxies
MoMoProxy
NextProxy
NodeMaven
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
PROXYSCRAPE
PSBProxy
PrivateByte
PrivateProxy
Proxiware
Proxmint
Proxy-Cheap
Proxy-Seller
Proxy302
Proxy4U
ProxyEmpire
ProxyGeo
ProxyHat
ProxyRack
ProxyStyler
ProxyWing
Proxyma
PuraRoute
Q2IP
RH7Proxy
RainProxy
RapidProxy
RealProxy
ResiProxies
SPYDERPROXY_PREMIUM
Shifter
StrikeProxy
SwiftProxy
TORCHPROXIES_BASIC
TORCHPROXIES_PREMIUM
TORCHPROXIES_X
Thordata
ThunderProxy
VProxy
VantageProxies
VibeProxies
VitalData
VitalExclusive
VitalProxy
Webshare
ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
90.180.0.0/14 since Mar 2009	AS5610	Residential	1,239 79 always on	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
90.176.32.0 - 90.183.255.255	516,096	CZ-CZNET-20061017	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Nov 4, 2015	abuse@o2.cz
└ 90.181.0.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.1.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.2.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.3.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.4.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.5.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.6.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.7.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.8.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.9.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.10.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.11.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.12.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.13.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.14.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.15.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.16.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.17.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.18.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.19.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.20.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.21.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.22.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.23.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.24.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.25.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.26.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.27.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.28.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.29.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.30.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.31.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.32.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.33.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.34.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.35.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.36.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.37.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.38.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.39.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.40.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.41.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.42.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.43.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.44.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.45.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.46.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.47.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.48.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.49.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.50.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.51.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.52.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.53.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.54.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.55.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.56.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.57.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.58.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.59.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.60.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.61.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.62.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.63.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.64.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.65.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.66.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.67.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.68.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.69.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.70.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.71.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.72.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.73.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.74.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.75.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.76.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.77.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.78.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.79.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.80.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.81.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.82.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.83.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.84.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.85.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.86.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.87.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.88.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.89.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.90.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.91.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.92.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.93.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.94.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.95.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.96.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.97.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.98.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.99.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.100.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.101.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.102.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.103.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.104.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.105.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.106.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.107.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.108.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.109.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.110.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.111.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.112.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.113.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.114.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.115.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.116.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.117.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.118.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.119.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.120.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.121.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.122.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.123.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.124.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.125.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.126.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Mar 22, 2013	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.127.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.128.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.129.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.131.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.132.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.133.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.134.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.135.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.136.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.137.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.138.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.139.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.140.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.141.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.142.0/24	256	INTERNETHOME	Akvizice	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.143.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.144.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.145.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.146.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.147.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.148.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.149.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.150.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.151.208/28	16	Outdoor_Concept	Pod Kyjovem 351/24	ASSIGNED PA	Apr 10, 2024	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.152.112/29	8	OKNAMACEK	Nadrazni 1701	ASSIGNED PA	Apr 3, 2013	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.153.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.154.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.155.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.156.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.157.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.158.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.159.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.160.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.161.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.162.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.163.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.164.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.165.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.166.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.167.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.168.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.169.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.170.8/29	8	MPU	Senovazne namesti 1375/19	ASSIGNED PA	Aug 23, 2012	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.171.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.172.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.173.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.174.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.175.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.176.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.177.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.178.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.179.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.180.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.181.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.182.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.183.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.184.0/24	256	NEXTEL-XDSL	unknown	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.185.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.186.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.187.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.188.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.189.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.190.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.191.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.192.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.193.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.194.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.195.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.196.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.197.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.198.104/29	8	MONETA_Money_Bank	Praha	ASSIGNED PA	Feb 25, 2021	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.199.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017
└ 90.181.200.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jun 23, 2009	abuse@o2.cz via CZ-CZNET-20061017

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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	65,496	>99%	5
Business	40	0.06%	4

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Aug 2025
Current origin since: Aug 2025 · 1.2 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
90.181.0.0/16	AS5610	/16	RIPE	RPKI valid
90.180.0.0/14	AS5610	/14	RIPE	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS5610	RIPE		AS5610-MTN	Aug 31, 2025

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
90.181.128.0/17	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
90.181.227.0/24	AS5610	RIPE	CZ.CZNET	AS5610-MTN	Apr 24, 2017
90.181.228.0/24	AS5610	RIPE	AVG NETWORK	AS5610-MTN	Feb 18, 2016