77.78.80.0 - 77.78.89.255

CZ-WIA-20070227 IPv4 Czechia ALLOCATED PA AS21430

Registration

RIPE

Range: 77.78.80.0 to 77.78.89.255
CIDR: 77.78.80.0/21, 77.78.88.0/23
Addresses: 2,560
Net name: CZ-WIA-20070227
Holder: WIA spol. s.r.o. ORG-Wss1-RIPE
Status: ALLOCATED PA
Abuse contact: abuse@wia.cz
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
77.78.80.0/21	AS21430 WIA-AS	RPKI valid
77.78.88.0/23	AS21430 WIA-AS	RPKI valid

More specific assignments

175

Range	Net name	Country
77.78.80.8 - 77.78.80.15	Saspa-CZ	CZ
77.78.80.16 - 77.78.80.23	CeskyNarodniPodnik-CZ	CZ
77.78.80.24 - 77.78.80.31	PrvniCeskaLekarskaSpolecnost-CZ	CZ
77.78.80.40 - 77.78.80.47	MPDevelopmentAkciovaSpolecnost-CZ	CZ
77.78.80.64 - 77.78.80.71	Adnet-CZ	CZ
77.78.80.72 - 77.78.80.79	Megapixel-CZ	CZ
77.78.80.88 - 77.78.80.95	VodniASaunovySvet-CZ	CZ
77.78.80.96 - 77.78.80.103	ROLINO-CZ	CZ
77.78.80.104 - 77.78.80.111	ServisLeasing-CZ	CZ
77.78.80.112 - 77.78.80.119	ELASTOFORMBohemia-CZ	CZ
77.78.80.120 - 77.78.80.127	NM-ARCELORMITTAL-FRYDEKMISTEK	CZ
77.78.80.128 - 77.78.80.135	EuroskolaPraha-CZ	CZ
77.78.80.136 - 77.78.80.143	NM-TRUMPF-KHAJUM2	CZ
77.78.80.144 - 77.78.80.151	VIlimkovaDudakHrncirNovotny-CZ	CZ
77.78.80.152 - 77.78.80.159	KandaMartin-CZ	CZ
77.78.80.160 - 77.78.80.167	DknvStavebni-CZ	CZ
77.78.80.168 - 77.78.80.175	Intertek-CZ	CZ
77.78.80.176 - 77.78.80.183	NM-AK-VINOHRADSKA	CZ
77.78.80.184 - 77.78.80.191	UnientCommunications-CZ	CZ
77.78.80.200 - 77.78.80.207	ScottWeberBudejovickaAlej-CZ	CZ
77.78.80.208 - 77.78.80.215	FiveTOTwelveSro-CZ	CZ
77.78.80.224 - 77.78.80.231	FinancniStit-CZ	CZ
77.78.80.232 - 77.78.80.239	IceCzechLetnany-CZ	CZ
77.78.80.240 - 77.78.80.247	IceCzechLetnany-CZ	CZ
77.78.81.0 - 77.78.81.15	NM-DIGITALCINEMAUNITED-HOUSING	CZ
77.78.81.50 - 77.78.81.50	NM-UNICITYRETAIL	CZ
77.78.81.80 - 77.78.81.95	NM-LCRADMIN-BLANICKA	CZ
77.78.81.112 - 77.78.81.127	NM-EXPEREO-STI-RUMBURK	CZ
77.78.81.128 - 77.78.81.131	NM-JAROVNET-VINOHRADSKA	CZ
77.78.81.136 - 77.78.81.143	Dignity-CZ	CZ
77.78.81.144 - 77.78.81.159	ScottWeberRevolucniCenter-CZ	CZ
77.78.81.160 - 77.78.81.175	Pe3nyNet-CZ	CZ
77.78.81.184 - 77.78.81.191	ASComputers-CZ	CZ
77.78.81.192 - 77.78.81.207	NM-KITT6-CSARMADY	CZ
77.78.81.208 - 77.78.81.223	ComfortSpace-CZ	CZ
77.78.81.224 - 77.78.81.255	NM-IPVZ-STIMBUILDING	CZ
77.78.82.0 - 77.78.82.7	Gisat-CZ	CZ
77.78.82.8 - 77.78.82.15	JudrElonaKhalaila-CZ	CZ
77.78.82.16 - 77.78.82.23	NM-CHERRES-JAKUBSKA	CZ
77.78.82.24 - 77.78.82.31	IncoczechTravelPrague-CZ	CZ
77.78.82.32 - 77.78.82.39	KatolickyTydenik-CZ	CZ
77.78.82.40 - 77.78.82.47	ZikmundPetr-CZ	CZ
77.78.82.64 - 77.78.82.71	MstMericiAStudiovaTechnika-CZ	CZ
77.78.82.80 - 77.78.82.87	EuroagenturHotelsTravel-CZ	CZ
77.78.82.88 - 77.78.82.95	EuroagenturHotelsTravel-CZ	CZ
77.78.82.96 - 77.78.82.103	KorejskaAgenturaNAPodporuObchoduAInvesticKoreaTradeInvestmentPromotionAgency-CZ	CZ
77.78.82.104 - 77.78.82.111	Denwel-CZ	CZ
77.78.82.128 - 77.78.82.135	PragoeconConsulting-CZ	CZ
77.78.82.144 - 77.78.82.151	Runova-CZ	CZ
77.78.82.152 - 77.78.82.159	ArmadaFilms-CZ	CZ
77.78.82.160 - 77.78.82.167	EuroagenturHotelsTravel-CZ	CZ
77.78.82.168 - 77.78.82.175	KonzervatorDuncanCentrePraha4Branicka41-CZ	CZ
77.78.82.176 - 77.78.82.183	MPDevelopmentAkciovaSpolecnost-CZ	CZ
77.78.82.200 - 77.78.82.207	NM-CPIMETEOR-SOKOLOVSKA-150M	CZ
77.78.82.208 - 77.78.82.215	NM-PRICEFX-THAMOVA	CZ
77.78.82.216 - 77.78.82.223	StomakBohemia-CZ	CZ
77.78.82.224 - 77.78.82.231	ICHotels-CZ	CZ
77.78.82.232 - 77.78.82.239	MPDevelopmentAkciovaSpolecnost-CZ	CZ
77.78.82.240 - 77.78.82.247	NM-INET-SOLUTIONS	CZ
77.78.82.248 - 77.78.82.255	Casablanca-CZ	CZ
77.78.83.0 - 77.78.83.15	AnnexNet-CZ	CZ
77.78.83.16 - 77.78.83.31	Siconet-CZ	CZ
77.78.83.32 - 77.78.83.47	NM-PAVILONHAVANA-MOCHOVSKA	CZ
77.78.83.48 - 77.78.83.63	MuseumCenter-CZ	CZ
77.78.83.64 - 77.78.83.79	Proxinet-CZ	CZ
77.78.83.80 - 77.78.83.95	EuroskolaPraha-CZ	CZ
77.78.83.96 - 77.78.83.111	CTaccent-CZ	CZ
77.78.83.112 - 77.78.83.127	IdtPraha-CZ	CZ
77.78.83.144 - 77.78.83.159	ICHotels-CZ	CZ
77.78.83.160 - 77.78.83.175	JudrIgor-CZ	CZ
77.78.83.176 - 77.78.83.191	MrazMichal-CZ	CZ
77.78.83.248 - 77.78.83.255	NM-LCRADMIN-BELOHORSKA	CZ
77.78.84.6 - 77.78.84.7	NM-KAVARNA-PODEBRADSKA	CZ
77.78.84.24 - 77.78.84.27	NM-CMIS-CROCODILLE-ZIZELICE	CZ
77.78.84.28 - 77.78.84.31	NM-CMIS-CROCODILLE-BRNO	CZ
77.78.84.36 - 77.78.84.39	NM-SSPZ-PODTABOREM	CZ
77.78.84.42 - 77.78.84.42	NM-HASICI-KROUCOVA	CZ
77.78.84.44 - 77.78.84.47	NM-SMARTY-STEFANIKOVA-NITRA	CZ
77.78.84.68 - 77.78.84.69	NM-WOOLWORTH-FAJTLOVA	CZ
77.78.84.164 - 77.78.84.165	NM-SMARTSOLUTION-STERBOHOLSKA	CZ
77.78.84.166 - 77.78.84.166	NM-TRIGEMA-KAMYK	CZ
77.78.84.224 - 77.78.84.239	NM-HOSPODARSKAKOMORA-NAFLORENCI	CZ
77.78.85.0 - 77.78.85.15	MestskaCastPraha10-CZ	CZ
77.78.85.16 - 77.78.85.19	NM-LEONTAURUS-WASHINGTONOVA	CZ
77.78.85.24 - 77.78.85.31	NM-SZM-OLSANSKA	CZ
77.78.85.32 - 77.78.85.47	NM-ARMADNI-PILOTU-PRAHA	CZ
77.78.85.48 - 77.78.85.63	PalacAustria-CZ	CZ
77.78.85.64 - 77.78.85.79	ScottWeberOfficeCenter-CZ	CZ
77.78.85.80 - 77.78.85.95	CeskyUradProZkouseniZbraniAStreliva-CZ	CZ
77.78.85.96 - 77.78.85.111	SmartTradeArt-CZ	CZ
77.78.85.112 - 77.78.85.127	CASABLANCAINT-CZ	CZ
77.78.85.128 - 77.78.85.143	Wia-CZ	CZ
77.78.85.144 - 77.78.85.159	CreditinfoCee-CZ	CZ
77.78.85.160 - 77.78.85.160	NM-SADOPDESIGN-BECHOVICE	CZ
77.78.85.161 - 77.78.85.161	NM-LORAWAN-VOP-HK	CZ
77.78.85.162 - 77.78.85.162	NM-LORAWAN-ORGATEX-HK	CZ
77.78.85.163 - 77.78.85.163	NM-MCP9-LITVINOVSKA	CZ
77.78.85.166 - 77.78.85.166	NM-MCP8-NEKVASILOVA	CZ
77.78.85.171 - 77.78.85.171	NM-DIANA-MASYRA-LOMNICKEHO	CZ
77.78.85.175 - 77.78.85.175	NM-138-MCDONALDS-KOLIN	CZ
77.78.85.176 - 77.78.85.177	NM-AMNESTY-SEIFERTOVA	CZ
77.78.85.178 - 77.78.85.179	NM-OCNIKLINIKAHP-LYSANADLABEM	CZ
77.78.85.180 - 77.78.85.183	NM-COMGROUP-POLITICKYCHVEZNU	CZ
77.78.85.184 - 77.78.85.187	NM-RSSTAVEBNI-STAROKOSIRSKA	CZ
77.78.85.188 - 77.78.85.191	NM-GATEWAYGLOBALTELECOM2	CZ
77.78.85.196 - 77.78.85.199	NM-STATECH-HURY	CZ
77.78.85.208 - 77.78.85.211	NM-EA-RAMADA-KLETISTI	CZ
77.78.85.222 - 77.78.85.223	NM-SMARTY-PARDUBICE	CZ
77.78.85.228 - 77.78.85.229	NM-UNYPARENA-KOVANECKA-CUST	CZ
77.78.85.230 - 77.78.85.231	NM-AEROKLUBPRAHALETNANY	CZ
77.78.86.16 - 77.78.86.23	EuroagenturHotelsTravel-CZ	CZ
77.78.86.24 - 77.78.86.31	TownhotelAstra-CZ	CZ
77.78.86.32 - 77.78.86.39	ProkopovaDevelopment-CZ	CZ
77.78.86.48 - 77.78.86.55	CzechInnHotels-CZ	CZ
77.78.86.56 - 77.78.86.63	NM-OTYS-KARLAENGLISE	CZ
77.78.86.64 - 77.78.86.71	EuroagenturHotelsTravel-CZ	CZ
77.78.86.72 - 77.78.86.79	MestskaCastPraha9-CZ	CZ
77.78.86.80 - 77.78.86.87	CityCentre-CZ	CZ
77.78.86.88 - 77.78.86.95	CityCentral-CZ	CZ
77.78.86.104 - 77.78.86.107	NM-DIGITALCINEMAUNITED-KRATKA	CZ
77.78.86.112 - 77.78.86.119	BC2000-CZ	CZ
77.78.86.120 - 77.78.86.127	SecheronTchequie-CZ	CZ
77.78.86.136 - 77.78.86.143	Saspa-CZ	CZ
77.78.86.144 - 77.78.86.151	Prevedig-CZ	CZ
77.78.86.152 - 77.78.86.159	ZakladniSkolaUKrcskehoLesa-CZ	CZ
77.78.86.160 - 77.78.86.167	PorgGymnaziumAZakladniSkolaP-CZ	CZ
77.78.86.168 - 77.78.86.175	WorldClassCzechRepublic-CZ	CZ
77.78.86.176 - 77.78.86.183	NM-RAINBOWLAND-NALOUZI	CZ
77.78.86.184 - 77.78.86.191	GantCzechRepublic-CZ	CZ
77.78.86.192 - 77.78.86.199	CzechInnHotels-CZ	CZ
77.78.86.200 - 77.78.86.207	ArcelormittalDistributionCzechRepublic-CZ	CZ
77.78.86.208 - 77.78.86.215	MasokombinatPlzen-CZ	CZ
77.78.86.224 - 77.78.86.231	Salsita-CZ	CZ
77.78.86.232 - 77.78.86.239	EKAutomation-CZ	CZ
77.78.86.240 - 77.78.86.247	CeskaKomoraAutorizovanychInzenyruATechnikuCinnychVEVystavbe-CZ	CZ
77.78.86.248 - 77.78.86.255	CzechInnHotels-CZ	CZ
77.78.87.8 - 77.78.87.15	JmkAuditsro-CZ	CZ
77.78.87.16 - 77.78.87.23	Frame100r-CZ	CZ
77.78.87.24 - 77.78.87.31	Prevedig-CZ	CZ
77.78.87.32 - 77.78.87.39	UniverzitaKarlovaVPraze-CZ	CZ
77.78.87.40 - 77.78.87.47	Muzikus-CZ	CZ
77.78.87.48 - 77.78.87.55	DomovProOsobySEZdravotnimPostizenimSulicka-CZ	CZ
77.78.87.56 - 77.78.87.63	CzechInnHotels-CZ	CZ
77.78.87.64 - 77.78.87.71	InstitutProTestovaniACertifikaci-CZ	CZ
77.78.87.72 - 77.78.87.79	GradaPublishing-CZ	CZ
77.78.87.80 - 77.78.87.87	CzechInnHotels-CZ	CZ
77.78.87.88 - 77.78.87.95	AnyzMichal-CZ	CZ
77.78.87.104 - 77.78.87.111	Hypnosis-CZ	CZ
77.78.87.112 - 77.78.87.119	NM-ASCOMPUTERS-FARNI	CZ
77.78.87.120 - 77.78.87.127	OTenergyServices-CZ	CZ
77.78.87.128 - 77.78.87.135	DomovProOsobySEZdravotnimPostizenimSulicka-CZ	CZ
77.78.87.136 - 77.78.87.143	CzechInnHotels-CZ	CZ
77.78.87.152 - 77.78.87.159	UsnulMilanJudrSoudniExekutor-CZ	CZ
77.78.87.160 - 77.78.87.167	Aseko-CZ	CZ
77.78.87.168 - 77.78.87.175	ASComputers-CZ	CZ
77.78.87.184 - 77.78.87.191	Skylab-CZ	CZ
77.78.87.192 - 77.78.87.199	BpaSportMarketing-CZ	CZ
77.78.87.200 - 77.78.87.207	EnproEnergo-CZ	CZ
77.78.87.208 - 77.78.87.215	BoogieFilms-CZ	CZ
77.78.87.216 - 77.78.87.223	MudrPetrArenbergerDrsc-CZ	CZ
77.78.87.224 - 77.78.87.231	Logik-CZ	CZ
77.78.87.232 - 77.78.87.239	Doit-CZ	CZ
77.78.87.240 - 77.78.87.247	IzakRobert-CZ	CZ
77.78.88.32 - 77.78.88.35	NM-8088-SHELL-PRAHA-PROSECKA	CZ
77.78.88.36 - 77.78.88.39	NM-8115-SHELL-PRAHA-CUPROVA	CZ
77.78.88.56 - 77.78.88.59	NM-8009-SHELL-MELNIK	CZ
77.78.88.60 - 77.78.88.63	NM-8033-SHELL-HLUCIN	CZ
77.78.88.72 - 77.78.88.75	NM-8022-SHELL-PRAHA-VIDENSKA	CZ
77.78.88.96 - 77.78.88.99	NM-8089-SHELL-PRAHA-JIZNISPOJKA-1	CZ
77.78.88.112 - 77.78.88.115	NM-8148-SHELL-FRYDEKMISTEK-2	CZ
77.78.88.148 - 77.78.88.151	NM-8108-SHELL-ROKYCANY	CZ
77.78.88.152 - 77.78.88.155	NM-8021-SHELL-JABLONEC-1	CZ
77.78.88.160 - 77.78.88.163	NM-8040-SHELL-BRNO-3	CZ
77.78.88.236 - 77.78.88.239	NM-8054-SHELL-SUMPERK	CZ
77.78.89.0 - 77.78.89.255	Net2u-CZ	CZ

WHOIS

inetnum:        77.78.80.0 - 77.78.89.255
netname:        CZ-WIA-20070227
country:        CZ
org:            ORG-Wss1-RIPE
status:         ALLOCATED PA
source:         RIPE

organisation:   ORG-Wss1-RIPE
org-name:       WIA spol. s.r.o.
country:        CZ

role:           WIA Abuse Contact
abuse-mailbox:  abuse@wia.cz
nic-hdl:        WAC9-RIPE

Location of the first address

Czechia

Registry country

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/77.78.80.0/21

const res = await fetch('https://ip-fd.net/api/v1/network/77.78.80.0/21', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/network/77.78.80.0/21', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/77.78.80.0/21');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/network/77.78.80.0/21", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

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