AS51907 Ch-Zg

Switzerland CH-ZG RIPE 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

6,144

IPv6 /48 networks

262,144

RPKI

3 valid0 no ROA

Peers and downstreams

139

Holder

AS name: CH-ZG
Description: Kanton Zug
Organisation: Kanton Zug
Registered in: Zug, Switzerland
Abuse contact: aio.abuse@zg.ch
Assigned: 2022-08-28
Registered: 2022-08-29
Record last changed: 2025-07-12 13:19 UTC

193.134.16.0/20 193.134.8.0/21

AS553	Belwue BELWUE
AS559	SWITCH Switch
AS680	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. DFN
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3741	Dimension Data
AS4230	CLARO S.A. AS4230
AS4601	Antonios A. Chariton DNET
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS6894	KDDI Europe Ltd KDDI-EUROPE
AS7195	EDGEUNO S.A.S AS7195
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8434	Telenor Sverige AB TELENOR-SE
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8888	xTom Pty Ltd XTOM
AS12307	Sandro Bolliger trading as Bolliger Network Solutions RAVANA
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13030	Init7 (Switzerland) Ltd. INIT7
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15547	netplus.ch SA NETPLUS
AS15605	Connesi s.p.a. CONNESI
AS15623	Cyberlink AG CYBERLINK
AS16347	ADISTA SAS INHERENT
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20612	SwissIX Internet Exchange SWISSIX
AS20764	CJSC RASCOM RASCOM-AS
AS20766	Association "Gitoyen" GITOYEN-MAIN-AS
AS20932	Services Industriels de Geneve SIG-ST
AS21232	Genossenschaft GGA Maur GGAMAUR
AS21412	UAB "Cgates" CGATES-AS
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25220	equada network GmbH GLOBALNOC-AS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS28917	Fiord Networks, UAB Fiord-AS
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29222	Infomaniak Network SA Infomaniak-AS
AS29632	Netassist International EOOD NASSIST-AS
AS29691	Nine Internet Solutions AG NINE
AS31122	Digiweb ltd DIGIWEB-AS
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34927	iFog GmbH iFog-GmbH
AS35266	EX Networks Limited EXN-AS
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS35625	Eurofiber France SAS EUROFIBER-FRANCE
AS35710	weber.digital GmbH WEBERCLOUD
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37282	Main one Cable Company Nigeria Limited
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37680	Cool Ideas Service Provider (Pty) Ltd
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS42541	Fiberby ApS FIBERBY
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS50673	Serverius Holding B.V. Serverius-as
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
AS56655	Gigahost AS GIGAHOST
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57777	Jeroen Massar MASSAR
AS58057	Securebit AG SECUREBIT
AS58299	Openfactory GmbH OPENFACTORY-AS
AS59414	cloudscale.ch AG CLOUDSCALE
AS59890	Kabel-TV Lampert GmbH & Co KG Kabel-TV-Lampert
AS59891	FSIT AG FSIT
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS142271	EWS DS Networks Inc DOUBLESQUARE-AS-AP
AS196621	Freestone FREESTONE
AS198150	SIACOM JSC SIACOM-AS
AS198249	Ops One AG OPSONE
AS198385	AlpineDC SA AlpineDC
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS202032	GOLINE SA GOLINE
AS205112	PHILUNET GmbH PHILUNET
AS206356	Freifunk Essen e.V. Freifunk-Essen
AS207841	Inferno Communications Ltd INFERNO
AS209823	Enki Multimedia EURL ENKI-AS
AS210937	Showfom
AS212024	Risson RISSON
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS219256	Ch-Zg-Anycast-0 CH-ZG-ANYCAST-0
AS264409	Huge Solucoes Corporativas Ltda AS264409
AS264479	Turbozone Internet AS264479
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Routing changes

Last 30 days

2026-10-04 04:25 UTC	Neighbour gone	AS263152	peer
2026-10-04 04:25 UTC	Neighbour gone	AS212635	peer
2026-10-04 04:25 UTC	Neighbour gone	AS205103	upstream
2026-10-04 04:25 UTC	Neighbour gone	AS56662	peer
2026-10-04 04:25 UTC	Neighbour gone	AS52320	peer
2026-10-04 04:25 UTC	Neighbour gone	AS31027	peer
2026-10-04 04:25 UTC	Neighbour gone	AS29075	peer
2026-10-04 04:25 UTC	Neighbour gone	AS1836	upstream
2026-10-04 04:25 UTC	Neighbour gone	AS1031	upstream
2026-10-04 04:25 UTC	New neighbour	AS8888	peer
2026-10-04 04:25 UTC	New neighbour	AS6894	peer
2026-10-04 04:25 UTC	New neighbour	AS264479	peer
2026-10-04 04:25 UTC	Relationship changed	AS8434	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 04:25 UTC	New neighbour	AS6797	peer
2026-10-04 04:25 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 04:25 UTC	New neighbour	AS6057	peer
2026-10-04 04:25 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS56655	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS47147	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS4601	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS4230	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS39249	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS37497	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS3741	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS37282	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS35625	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 04:25 UTC	New neighbour	AS264409	peer
2026-10-04 04:25 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS212024	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS20766	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 04:25 UTC	Relationship changed	AS12637	upstream to peer

WHOIS

aut-num:        AS51907
as-name:        CH-ZG
org:            ORG-KZ15-RIPE
admin-c:        AIO66-RIPE
tech-c:         AIO-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CH-ZG-BOT-MNT
mnt-by:         CH-ZG-SOS-MNT
mnt-by:         CH-ZG-MNT
created:        2022-08-29T14:03:07Z
last-modified:  2025-07-12T13:19:02Z
source:         RIPE
% 8 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now 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/51907

const res = await fetch('https://ip-fd.net/api/v1/asn/51907', {
  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/51907', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51907');
curl_setopt($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/51907", 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.

AS6730	Sunrise GmbH SUNRISE
AS6939	Hurricane Electric LLC HURRICANE
AS9002	RETN Limited RETN-AS
AS15576	NTS workspace AG NTS
AS34288	Kantonsschule Zug AS34288
AS39040	NTS workspace AG NTSWorkspaceAG-AS39040
AS211452	Kanton Appenzell Ausserrhoden KANTONAR

AS6730	Sunrise GmbH SUNRISE
AS34288	Kantonsschule Zug AS34288
AS211452	Kanton Appenzell Ausserrhoden KANTONAR
AS219256	Ch-Zg-Anycast-0 CH-ZG-ANYCAST-0