AS12676 HKN GmbH

Germany NCORE-AS RIPE 12 IPv4 prefixes 6 IPv6 prefixes

IPv4 addresses

74,496

IPv6 /48 networks

98,817

RPKI

14 valid4 no ROA

Peers and downstreams

132

Holder

AS name: NCORE-AS
Description: HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany
Organisation: HKN GmbH
Registered in: Krefeld, Germany
Abuse contact: abuse@hkn.de
Assigned: 1999-09-22
Registered: 2002-08-30
Record last changed: 2026-01-12 12:27 UTC

109.234.248.0/21 185.146.60.0/22 185.90.228.0/22 193.143.122.0/24 212.46.96.0/19 213.9.0.0/17 88.205.0.0/20 88.205.32.0/19 88.205.64.0/19 88.205.96.0/19 91.208.74.0/24 94.100.134.0/24

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AS559	SWITCH Switch
AS680	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. DFN
AS1267	WIND TRE S.P.A. ASN-WINDTRE
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS1836	green.ch AG GREEN
AS3212	Telemach Slovenija d.o.o. TELEMACH
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AS4230	CLARO S.A. AS4230
AS4455	IX Reach Ltd BSO
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
AS6910	DIGI ROMANIA S.A. DIGI-BORDER
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
AS8426	Claranet Limited CLARANET-AS
AS8455	atom86 BV ATOM86-AS
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8708	DIGI ROMANIA S.A. DIGI-RO
AS8758	Iway AG IWAY
AS8888	xTom Pty Ltd XTOM
AS9044	BSE Software GmbH SOLNET
AS12577	MMC GmbH MMC-AT-AS
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS15547	netplus.ch SA NETPLUS
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS17557	Pakistan Telecommunication Company Limited PKTELECOM-AS-PK
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS20764	CJSC RASCOM RASCOM-AS
AS20932	Services Industriels de Geneve SIG-ST
AS21412	UAB "Cgates" CGATES-AS
AS24482	SG.GS SGGS-AS-AP
AS24889	Monzoon Networks AG MONZOON-AS
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS27173	Sightcall Inc. WEEMO-AS-1
AS28716	Retelit Digital Services S.p.A. RETELIT-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29208	Quantcom, a.s. QUANTCOM-AS
AS29632	Netassist International EOOD NASSIST-AS
AS29691	Nine Internet Solutions AG NINE
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34927	iFog GmbH iFog-GmbH
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS35598	INETCOM CARRIER LLC INETCOM
AS35625	Eurofiber France SAS EUROFIBER-FRANCE
AS35710	weber.digital GmbH WEBERCLOUD
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42541	Fiberby ApS FIBERBY
AS42708	Glesys AB GLESYS
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47461	Starhome Mach GmbH STARH
AS47692	Nessus GmbH NESSUS
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS50629	LWLcom GmbH LWLCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56662	Eutpnet EUTPNET
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57777	Jeroen Massar MASSAR
AS58057	Securebit AG SECUREBIT
AS58299	Openfactory GmbH OPENFACTORY-AS
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61573	IP TELECOM AS61573
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS142271	EWS DS Networks Inc DOUBLESQUARE-AS-AP
AS197435	deep worx GmbH DEEPWORX
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
AS203427	Comdesk GmbH COMDESK
AS203777	cloudopserve GmbH cloudopserve-as
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS205734	Copart UK Limited TRAPOC
AS206356	Freifunk Essen e.V. Freifunk-Essen
AS209034	Happyware Server Europe GmbH Happyware
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
AS215341	Host-On Service Provider GmbH Host-On
AS264409	Huge Solucoes Corporativas Ltda AS264409
AS264479	Turbozone Internet AS264479

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 84/100

partly	Prefixes covered by valid ROAs 14 of 18 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 6 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@hkn.de 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 2026-01-12.	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/12676"><img src="https://ip-fd.net/badge/asn/12676/health.svg" alt="AS12676 network health on IP-FD.net"></a>

Markdown

[![AS12676 network health](https://ip-fd.net/badge/asn/12676/health.svg)](https://ip-fd.net/asn/12676)

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

Routing changes

Last 30 days

2026-10-04 13:40 UTC	Neighbour gone	AS52320	peer
2026-10-04 13:40 UTC	Neighbour gone	AS31027	peer
2026-10-04 13:40 UTC	New neighbour	AS8888	peer
2026-10-04 13:40 UTC	New neighbour	AS28917	peer
2026-10-04 13:40 UTC	New neighbour	AS264479	peer
2026-10-04 13:40 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS8758	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS8708	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS8455	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS6910	upstream to peer
2026-10-04 13:40 UTC	New neighbour	AS6797	peer
2026-10-04 13:40 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 13:40 UTC	New neighbour	AS6057	peer
2026-10-04 13:40 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS42708	upstream to peer
2026-10-04 13:40 UTC	New neighbour	AS4230	peer
2026-10-04 13:40 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 13:40 UTC	New neighbour	AS39249	peer
2026-10-04 13:40 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS35625	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS3320	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS29691	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS29208	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS28716	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS24889	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS212024	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS205103	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS1836	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 13:40 UTC	New neighbour	AS17557	peer
2026-10-04 13:40 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS12859	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS12779	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS1267	upstream to peer
2026-10-04 13:40 UTC	Relationship changed	AS12577	upstream to peer

WHOIS

aut-num:        AS12676
org:            ORG-nG9-RIPE
as-name:        NCORE-AS
descr:          HKN GmbH
descr:          Hochstadenstr. 5
descr:          D-47829 Krefeld
descr:          Germany
remarks:        -DE-DUS IPv4 Peerings-----------------------
remarks:        -DE-DUS-ECIX IPv4 Peerings------------------
remarks:        -DE-DUS-PP IPv4 Peerings--------------------
remarks:        -DE-FRA IPv4 Peerings-----------------------
remarks:        -DE-FRA-DECIX IPv4 Peerings-----------------
remarks:        -DE-FRA-PP IPv4 Peerings--------------------
remarks:        -DE-DUS IPv6 Peerings-----------------------
remarks:        -DE-DUS-ECIX IPv6 Peerings------------------
remarks:        -DE-DUS-PP IPv6 Peerings--------------------
remarks:        -DE-FRA IPv6 Peerings-----------------------
remarks:        -DE-FRA-DECIX IPv6 Peerings-----------------
remarks:        -DE-FRA-PP IPv6 Peerings--------------------
remarks:        -END----------------------------------------
admin-c:        HH1700-RIPE
tech-c:         HH1700-RIPE
remarks:        --------------------------------------------
remarks:        Abuse reports to abuse@hkn.de
remarks:        Peering contact is peering@hkn.de
remarks:        --------------------------------------------
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NCORE-NOC
created:        2002-08-30T18:02:47Z
last-modified:  2026-01-12T12:27:57Z
source:         RIPE
% 430 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/12676

const res = await fetch('https://ip-fd.net/api/v1/asn/12676', {
  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/12676', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/12676');
curl_setopt($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/12676", 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.

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