AS47232 ISP Alliance a.s.

Czechia ISPAlliance RIPE 10 IPv4 prefixes 6 IPv6 prefixes

IPv4 addresses

9,984

IPv6 /48 networks

1,572,864

RPKI

12 valid4 no ROA

Peers and downstreams

103

Holder

AS name: ISPAlliance
Description: ISP Alliance a.s.
Organisation: ISP Alliance a.s.
Registered in: Chomutov, Czechia
Abuse contact: abuse@ispalliance.cz
Assigned: 2008-05-20
Registered: 2008-05-21
Record last changed: 2026-05-29 05:07 UTC

148.59.93.0/24 185.15.108.0/22 185.151.171.0/24 185.52.172.0/24 193.107.160.0/22 195.26.25.0/24 46.29.224.0/21 5.39.200.0/23 78.111.112.0/20 94.140.25.0/24

AS714	Apple Inc. APPLE-ENGINEERING
AS1299	Arelion Sweden AB TWELVE99
AS3257	GTT Communications Inc. GTT-BACKBONE
AS4229	Zenlayer Inc ZEN-NET
AS5578	SWAN, a.s. AS-BENESTRA
AS5610	O2 Czech Republic, a.s. O2-CZECH-REPUBLIC
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6855	Slovak Telekom, a.s. SK-TELEKOM
AS12570	O2 Czech Republic, a.s. ITSELF
AS13199	Jaroslav Doubrava DOUBRAVA-NET
AS16019	Vodafone Czech Republic a.s. VODAFONE-CZ-AS
AS16276	OVH SAS OVH
AS20723	AVONET, s.r.o. MGI
AS20804	Exatel S.A. ASN-TELENERGO
AS24940	Hetzner Online GmbH HETZNER-AS
AS24971	MasterDC s.r.o. MASTER-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29134	Webglobe, s.r.o. IGNUM-AS
AS29208	Quantcom, a.s. QUANTCOM-AS
AS30764	PODA a.s. PODA-AS
AS33883	TRIOPTIMUM s.r.o. TRIONET-CZ-AS
AS35046	OMEGA plus Chrudim s.r.o. OMEGAPLUS-AS
AS35236	UVT Internet s.r.o. AS35236
AS39392	SH.cz s.r.o. SuperNetwork
AS39455	Tlapnet-SK Tlapnet-SK-AS
AS43037	Seznam.cz, a.s. SEZNAM-CZ
AS44002	Sys-DataCom s.r.o. SYS-DATACOM
AS44500	Vlasimnet s.r.o. vlasimnet
AS47727	Warnet.cz s.r.o. WARNETCZ-AS
AS49981	WorldStream B.V. WorldStream
AS50163	Altnet s.r.o. altnet-skvelynet
AS50415	Ahosting a.s. Ahosting
AS50971	JHComp s.r.o. JHCOMP-AS
AS51400	SPOJE.NET s.r.o. ASSPOJENET
AS52084	ISP Alliance a.s. ATLELEKTROCZ
AS56566	SATT a.s. SATT-AS
AS56624	Rtyne.net s.r.o. ASRTYNENET
AS57077	AB-NET s.r.o. AB-NET
AS57279	Sauron CZ s.r.o. SAURONNET
AS57463	NetIX Communications JSC NetIX
AS60529	Praslavicenet PRASLAVICENET
AS197296	United Networks SE UNITED_NETWORKS_SE
AS197393	ISP Alliance a.s. ASRUDOLFNET
AS197879	HelaPC s.r.o. HELAPC
AS198814	ALPHA StylSoft, s.r.o. ASALPHASTYLSOFT
AS201053	Stowarzyszenie e-Poludnie EPIX-Transit-AS
AS201464	ISP Alliance a.s. ok-net
AS201476	ISP Alliance a.s. Wolfnet
AS201533	United Networks SE UNITED_NETWORKS_SE
AS201559	United Networks SE UNITED_NETWORKS_SE
AS201625	United Networks SE UNITED_NETWORKS_SE
AS202131	ISP Alliance a.s. Wave-net
AS202297	Skylon Solutions Limited SKYLON
AS202618	Rychly drat, s.r.o. rychlydrat
AS202774	ISP Alliance a.s. comtex
AS202877	VEJNET.CZ s.r.o. vejnet
AS202921	CC INTERNET s.r.o. CC_INTERNET
AS204064	CEZNET s.r.o. CEZNET-AS
AS204666	Tlapnet-Cz TLAPNET-CZ
AS205002	CUBESOL, s.r.o. AS_IWAO
AS205535	Windyghoul s.r.o. WINDYGHOUL
AS206951	BMB-Green s.r.o. BMBGreen
AS207886	ECOMP spol s r.o. ECOMPEU-CZ
AS208847	Martin Fryzl ASfryzl
AS209621	DOBNET, z.s. dobnet
AS210712	ISP Alliance a.s. GRAPESC-ISP
AS212975	TeamCity s.r.o. TEAMCITY-AS

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 84/100

partly	Prefixes covered by valid ROAs 12 of 16 announced prefixes are RPKI valid, 4 have no ROA.	19/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 6 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@ispalliance.cz is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-05-29.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/47232"><img src="https://ip-fd.net/badge/asn/47232/health.svg" alt="AS47232 network health on IP-FD.net"></a>

Markdown

[![AS47232 network health](https://ip-fd.net/badge/asn/47232/health.svg)](https://ip-fd.net/asn/47232)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 08:01 UTC	Neighbour gone	AS210139	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS199405	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS196735	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS49025	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS44712	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS44489	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS44306	upstream
2026-10-04 08:01 UTC	Neighbour gone	AS42306	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS34955	downstream
2026-10-04 08:01 UTC	Neighbour gone	AS15614	downstream
2026-10-04 08:01 UTC	New neighbour	AS57463	downstream
2026-10-04 08:01 UTC	New neighbour	AS4229	downstream
2026-10-04 08:01 UTC	New neighbour	AS24971	downstream
2026-10-04 08:01 UTC	Relationship changed	AS9498	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS8881	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS39392	upstream to downstream
2026-10-04 08:01 UTC	Relationship changed	AS286	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 08:01 UTC	New neighbour	AS216265	peer
2026-10-04 08:01 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 08:01 UTC	Relationship changed	AS13194	upstream to peer

WHOIS

aut-num:        AS47232
as-name:        ISPAlliance
org:            ORG-GSa22-RIPE
import-via:     AS6777 from AS-ANY accept ANY
export-via:     AS6777 to AS-ANY announce AS-ISPALLIANCE-CZ
remarks:        This ASN is used for residential broadband ISPs services.
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT IMPORT
remarks:        
remarks:        EXCHANGE POINTS IMPORT
remarks:        
remarks:        CUSTOMERS IMPORT
remarks:        ----------------------------------------------------------------------
remarks:        
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT EXPORT
remarks:        
remarks:        EXCHANGE POINTS EXPORT
remarks:        
remarks:        CUSTOMERS EXPORT
remarks:        ----------------------------------------------------------------------
remarks:        
admin-c:        GS5801-RIPE
tech-c:         GS5801-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-GRAPESC
created:        2008-05-21T13:49:01Z
last-modified:  2026-05-29T05:07:46Z
source:         RIPE
% 21 routing policy lines (import/export) not shown

Routing data

Updated 12 h ago

Registry record

Fetched 12 h ago from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/47232

const res = await fetch('https://ip-fd.net/api/v1/asn/47232', {
  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/asn/47232', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/47232');
curl_setopt($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/asn/47232", 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))

Works without a key at a lower rate. Get a free key.

AS286	Kpn KPN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS4455	IX Reach Ltd BSO
AS6204	TMRC GROUP SRL ZET-NET
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6881	NIX.CZ z.s.p.o. NIXCZ
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8881	1&1 Versatel GmbH VERSATEL
AS9009	M247 Europe SRL M247
AS9498	BHARTI Airtel Ltd. BBIL-AP
AS13194	UAB "Bite Lietuva" BITE
AS13199	Jaroslav Doubrava DOUBRAVA-NET
AS14840	BR.Digital Telecom AS14840
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS28917	Fiord Networks, UAB Fiord-AS
AS29504	Freenet Liberec, z.s. LBCFREE
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation LINZAG-TELEKOM-AS
AS36236	NetActuate, Inc NETACTUATE
AS37721	Virtual Technologies & Solutions
AS40994	Hohl IT e.U. Alwyzon
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS47692	Nessus GmbH NESSUS
AS49544	i3D.net B.V i3Dnet
AS50629	LWLcom GmbH LWLCOM
AS51184	Fonira Telekom GmbH FONIRA
AS59890	Kabel-TV Lampert GmbH & Co KG Kabel-TV-Lampert
AS198150	SIACOM JSC SIACOM-AS
AS202297	Skylon Solutions Limited SKYLON
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS216265	ARISTO NETWORKS LTD ARISTO-NET
AS263444	Open X Tecnologia Ltda AS263444
AS264409	Huge Solucoes Corporativas Ltda AS264409