Data as of Nov 7, 2026

88.100.0.0/14

No anonymizer space

O2 Czech Republic, a.s.

Announcement

this exact prefix

RPKI valid

Announced by

AS5610

Type

Residential

>99% of it

Residential-proxy exits

Proxy exits

1,693

0.65% of its addresses · listed by providers

Always-on exits

138

8.2% of its exits

Spread

531 of 1,024

/24s with at least one exit

Providers

107

selling exits here

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
88.102.106.0/24	2	12
88.102.211.0/24	2	10
88.102.209.0/24	2	9
88.103.71.0/24	2	7
88.102.111.0/24	2	7
88.100.27.0/24	2	7
88.102.89.0/24	2	5
88.101.241.0/24	2	5
88.101.220.0/24	2	4
88.100.141.0/24	2	4
88.100.119.0/24	2	3
88.101.187.0/24	2	3
88.100.229.0/24	2	3
88.103.2.0/24	2	3
88.101.42.0/24	2	3
88.102.42.0/24	2	2
88.102.103.0/24	1	9
88.101.226.0/24	1	9
88.102.69.0/24	1	9
88.101.139.0/24	1	9
88.100.149.0/24	1	8
88.101.93.0/24	1	8
88.101.141.0/24	1	7
88.100.118.0/24	1	7

Proxy providers listing exits

2Captcha
711Proxy
9Proxy
Ake.net
AnyIP
B2Proxy
BartProxies
BirdProxies
BlurPath
BottingTools
Bright Data
BuyingProxy
ByteProxies
Byteful
CatProxies
CliProxy
CoreProxy
DataImpulse
Datarama
Decodo
EZProxies
EnigmaProxy
Evomi
FastProxy
FlashProxy
FloppyData
GSocks
GeekProxy
Geonix
Geonode
GhostConnect
GloryCloud
GoProxies
GonzoProxy
HideProxy
HydraProxy
IPCola
IPFly
IPOasis
IPPeak
IPRoyal
Infatica
InfiniteProxies
KindProxy
KocerRoxy
LemonBright
LemonLabs
LightningProxies
LudaxProxy
MangoProxy
MarsProxies
Maskify
MoMoProxy
NSocks
NextProxy
NodeMaven
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
PROXYWING_BASIC
PSBProxy
PacketStream
PrivateByte
PrivateProxy
Proxies.fo
ProxiesVision
Proxio
Proxiware
Proxmint
Proxy-Cheap
Proxy-Seller
Proxy4U
ProxyEmpire
ProxyGeo
ProxyHat
ProxyRack
ProxyStyler
ProxyWing
Proxying
Proxyma
PuraRoute
Q2IP
QUANTICDATA
RainProxy
RapidProxy
ResiProxies
RoamProxy
RolaProxy
Shifter
Smartproxy
SpyderProxy
StrikeProxy
SwiftProxy
Thordata
ThunderProxy
TrueProxies
TrustProxy
VProxy
VantageProxies
VibeProxies
VitalData
VitalExclusive
VitalProxy
Webshare
ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Proxy exits	Holder	RPKI
88.100.0.0/15 since Mar 2009	AS5610	Residential	958 82 always on	O2 Czech Republic, a.s.
88.102.0.0/16 since Mar 2012	AS5610	Residential	464 39 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
88.100.0.0/14	262,144	CZ-CZNET-20051004	O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ	ALLOCATED PA	Oct 4, 2005	abuse@o2.cz
└ 88.100.0.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.1.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.2.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.3.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.4.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.5.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.6.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.7.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.8.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.9.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.10.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 21, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.11.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.12.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.13.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.14.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.15.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.16.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.17.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.18.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.19.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.20.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.21.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.22.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.23.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.24.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.25.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.26.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.27.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.28.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.29.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.30.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.31.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.32.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.33.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.34.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.35.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.36.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.37.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.38.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.39.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.40.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.41.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.42.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.43.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.44.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.45.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.46.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.47.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.48.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.49.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.50.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.51.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.52.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.53.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.54.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.55.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.56.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.57.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.58.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.59.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.60.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.61.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.62.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.63.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.64.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.65.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.66.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.67.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.68.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.69.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.70.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.71.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.72.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.73.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.74.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.75.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.76.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.77.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.78.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.79.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.80.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.81.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.82.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.83.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.84.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.85.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.86.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.87.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.88.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.89.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.90.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.91.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.92.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.93.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.94.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.95.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.96.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.97.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.98.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.99.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.100.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 22, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.101.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.102.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.103.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.104.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.105.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.106.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.107.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.108.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.109.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.110.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Dec 23, 2005	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.111.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.112.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.113.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.114.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.115.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.116.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.117.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.118.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.119.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.120.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.121.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.122.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.123.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.124.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.125.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.126.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.127.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.128.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.129.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.130.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.131.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.132.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.133.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.134.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.135.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.136.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.137.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.138.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.139.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.140.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.141.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.142.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.143.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.144.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.145.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.146.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.147.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.148.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.149.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.150.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.151.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.152.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.153.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.154.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.155.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.156.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.157.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.158.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.159.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.160.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.161.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.162.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.163.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.164.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.165.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.166.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.167.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.168.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.169.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.170.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 2, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.171.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.172.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.173.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.174.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.175.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.176.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.177.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.178.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.179.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.180.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.181.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.182.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.183.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.184.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.185.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.186.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.187.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.188.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.189.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.190.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.191.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.192.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.193.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.194.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.195.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.196.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.197.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.198.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004
└ 88.100.199.0/24	256	NEXTEL-XDSL	XDSL Network-ADSL	ASSIGNED PA	Jan 3, 2006	abuse@o2.cz via CZ-CZNET-20051004

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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

262,144 addresses

Type	Addresses	Share	Ranges
Residential	261,864	>99%	6
Hosting	256	0.10%	1
Business	24	<0.01%	2

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
88.100.0.0/14	AS5610	/14	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS5610	RIPE	CZ.CZNET	AS5610-MTN	Oct 25, 2005

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
88.102.0.0/15	AS5610	RIPE	CZ.CZNET	AS5610-MTN	Dec 8, 2010
88.103.192.0/18	AS5610	RIPE	CZ.CZNET	AS5610-MTN	May 25, 2015
88.103.218.0/24	AS5610	RIPE		AS5610-MTN	Jul 9, 2025

88.100.0.0/14

Residential-proxy exits

/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

Route objects inside

Registration for this announcement

Abuse contact