AS39889 DCS-Networks

Sweden DCS-Networks-AS RIPE 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

3,072

IPv6 /48 networks

65,536

RPKI

2 valid3 no ROA

Peers and downstreams

118

Holder

AS name: DCS-Networks-AS
Description: Fredrik Holmqvist
Organisation: Fredrik Holmqvist
Registered in: Eskilstuna, Sweden
Abuse contact: abuse@dcs.net
Assigned: 2006-05-09
Registered: 2006-05-10
Record last changed: 2026-09-23 22:39 UTC

193.104.214.0/24 193.234.15.0/24 193.234.32.0/21 195.189.182.0/23

AS559	SWITCH Switch
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1267	WIND TRE S.P.A. ASN-WINDTRE
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS2603	NORDUnet NORDUNET
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS4230	CLARO S.A. AS4230
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6777	Amsterdam Internet Exchange B.V. AMS-IX-RS
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS7195	EDGEUNO S.A.S AS7195
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS9002	RETN Limited RETN-AS
AS9044	BSE Software GmbH SOLNET
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13194	UAB "Bite Lietuva" BITE
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
AS15576	NTS workspace AG NTS
AS15605	Connesi s.p.a. CONNESI
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
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
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS20473	The Constant Company, LLC AS-VULTR
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS20764	CJSC RASCOM RASCOM-AS
AS20766	Association "Gitoyen" GITOYEN-MAIN-AS
AS20932	Services Industriels de Geneve SIG-ST
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25220	equada network GmbH GLOBALNOC-AS
AS28824	EMP SECURE AS ASN-EMPSECURE
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29632	Netassist International EOOD NASSIST-AS
AS30844	Liquid Telecommunications Ltd LIQUID-AS
AS30880	SpaceDump IT AB SPACEDUMP-AS
AS30893	No ACK Group Holding AB NOACKHOSTING-AS
AS33837	Prq PRQ-AS
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34927	iFog GmbH iFog-GmbH
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42303	LM Layer and Mesh AB FiberDirekt
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
AS48116	highsec highsec-as
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS49559	A-Systems Sp. z o.o. IPT-1-IX
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS50629	LWLcom GmbH LWLCOM
AS50673	Serverius Holding B.V. Serverius-as
AS50683	Sitabinfra-Global SITABINFRA-GLOBAL-AS
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51519	Karabro AB Karabro
AS51873	Arcade Solutions AG AS-ARCADE
AS56655	Gigahost AS GIGAHOST
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57381	Fnutt FNUTT
AS61049	Exascale Ltd EXASCALE
AS61573	IP TELECOM AS61573
AS198150	SIACOM JSC SIACOM-AS
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS205206	Netsite A/S Netsite
AS205966	Clearminds AB CLEARMINDS
AS208686	Nordic Servers AS Nordic-Servers
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213241	TECHIT.BE SRL TECHIT
AS264409	Huge Solucoes Corporativas Ltda AS264409
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

partly	Prefixes covered by valid ROAs 2 of 5 announced prefixes are RPKI valid, 3 have no ROA.	10/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@dcs.net 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 2026-09-23.	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/39889"><img src="https://ip-fd.net/badge/asn/39889/health.svg" alt="AS39889 network health on IP-FD.net"></a>

Markdown

[![AS39889 network health](https://ip-fd.net/badge/asn/39889/health.svg)](https://ip-fd.net/asn/39889)

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

Routing changes

Last 30 days

2026-10-04 11:27 UTC	New neighbour	AS8529	peer
2026-10-04 11:27 UTC	New neighbour	AS61573	peer
2026-10-04 11:27 UTC	New neighbour	AS57381	peer
2026-10-04 11:27 UTC	New neighbour	AS56987	peer
2026-10-04 11:27 UTC	New neighbour	AS559	peer
2026-10-04 11:27 UTC	New neighbour	AS51873	peer
2026-10-04 11:27 UTC	New neighbour	AS51185	peer
2026-10-04 11:27 UTC	New neighbour	AS51184	peer
2026-10-04 11:27 UTC	New neighbour	AS50763	peer
2026-10-04 11:27 UTC	New neighbour	AS50300	peer
2026-10-04 11:27 UTC	New neighbour	AS49605	peer
2026-10-04 11:27 UTC	New neighbour	AS48919	peer
2026-10-04 11:27 UTC	New neighbour	AS48185	peer
2026-10-04 11:27 UTC	New neighbour	AS45489	peer
2026-10-04 11:27 UTC	New neighbour	AS44901	peer
2026-10-04 11:27 UTC	New neighbour	AS39122	peer
2026-10-04 11:27 UTC	New neighbour	AS37721	peer
2026-10-04 11:27 UTC	New neighbour	AS34288	peer
2026-10-04 11:27 UTC	New neighbour	AS3333	peer
2026-10-04 11:27 UTC	New neighbour	AS29140	peer
2026-10-04 11:27 UTC	New neighbour	AS28824	peer
2026-10-04 11:27 UTC	New neighbour	AS271253	peer
2026-10-04 11:27 UTC	New neighbour	AS25220	peer
2026-10-04 11:27 UTC	New neighbour	AS213241	peer
2026-10-04 11:27 UTC	New neighbour	AS20932	peer
2026-10-04 11:27 UTC	New neighbour	AS199938	peer
2026-10-04 11:27 UTC	New neighbour	AS1828	peer
2026-10-04 11:27 UTC	New neighbour	AS18106	peer
2026-10-04 11:27 UTC	New neighbour	AS17639	peer
2026-10-04 11:27 UTC	New neighbour	AS15605	peer
2026-10-04 11:27 UTC	New neighbour	AS15547	peer
2026-10-04 11:27 UTC	New neighbour	AS14907	peer
2026-10-04 11:27 UTC	New neighbour	AS14630	peer
2026-10-04 11:27 UTC	New neighbour	AS13237	peer
2026-10-04 11:27 UTC	New neighbour	AS12969	peer
2026-10-04 11:27 UTC	New neighbour	AS12859	peer
2026-10-04 11:27 UTC	New neighbour	AS12637	peer
2026-10-04 11:27 UTC	New neighbour	AS1140	peer
2026-10-04 11:27 UTC	New neighbour	AS1103	peer
2026-10-04 11:27 UTC	New neighbour	AS9044	peer
2026-10-04 11:27 UTC	New neighbour	AS9002	peer
2026-10-04 11:27 UTC	New neighbour	AS8298	peer
2026-10-04 11:27 UTC	New neighbour	AS7195	peer
2026-10-04 11:27 UTC	New neighbour	AS6797	peer
2026-10-04 11:27 UTC	New neighbour	AS6777	peer
2026-10-04 11:27 UTC	New neighbour	AS6663	peer
2026-10-04 11:27 UTC	New neighbour	AS6204	peer
2026-10-04 11:27 UTC	New neighbour	AS61049	peer
2026-10-04 11:27 UTC	New neighbour	AS6057	peer
2026-10-04 11:27 UTC	New neighbour	AS56655	peer
2026-10-04 11:27 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS50673	peer
2026-10-04 11:27 UTC	New neighbour	AS50629	peer
2026-10-04 11:27 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS49559	peer
2026-10-04 11:27 UTC	New neighbour	AS48362	peer
2026-10-04 11:27 UTC	New neighbour	AS47147	peer
2026-10-04 11:27 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS42303	peer
2026-10-04 11:27 UTC	New neighbour	AS4230	peer
2026-10-04 11:27 UTC	New neighbour	AS41327	peer
2026-10-04 11:27 UTC	New neighbour	AS37497	peer
2026-10-04 11:27 UTC	New neighbour	AS37468	peer
2026-10-04 11:27 UTC	New neighbour	AS37100	peer
2026-10-04 11:27 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS34927	peer
2026-10-04 11:27 UTC	New neighbour	AS34177	peer
2026-10-04 11:27 UTC	New neighbour	AS34019	peer
2026-10-04 11:27 UTC	Relationship changed	AS3303	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS30844	peer
2026-10-04 11:27 UTC	New neighbour	AS29632	peer
2026-10-04 11:27 UTC	New neighbour	AS29075	peer
2026-10-04 11:27 UTC	New neighbour	AS264409	peer
2026-10-04 11:27 UTC	Relationship changed	AS2603	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS24961	peer
2026-10-04 11:27 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS20766	peer
2026-10-04 11:27 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS20562	peer
2026-10-04 11:27 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS20473	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS20326	peer
2026-10-04 11:27 UTC	New neighbour	AS1764	peer
2026-10-04 11:27 UTC	New neighbour	AS17557	peer
2026-10-04 11:27 UTC	New neighbour	AS15958	peer
2026-10-04 11:27 UTC	New neighbour	AS15802	peer
2026-10-04 11:27 UTC	New neighbour	AS15576	peer
2026-10-04 11:27 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 11:27 UTC	Relationship changed	AS13194	upstream to peer
2026-10-04 11:27 UTC	New neighbour	AS12779	peer
2026-10-04 11:27 UTC	New neighbour	AS1267	peer

WHOIS

aut-num:        AS39889
as-name:        DCS-Networks-AS
org:            ORG-FH17-RIPE
import-via:     AS6777 from AS-ANY accept ANY
export-via:     AS6777 to AS-ANY announce AS-I2B
remarks:        -----------------------------------------------------------
remarks:        ABUSE related questions should be mailed to abuse@dcs.net
remarks:        Other questions may be directed to noc@dcs.net
remarks:        For peering-requests mail peering@dcs.net
remarks:        -----------------------------------------------------------
admin-c:        FH939
tech-c:         FH939
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-SITAB
created:        2006-05-10T13:22:20Z
last-modified:  2026-09-23T22:39:26Z
source:         RIPE
% 4 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/39889

const res = await fetch('https://ip-fd.net/api/v1/asn/39889', {
  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/39889', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/39889');
curl_setopt($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/39889", 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.

AS3399	Obenet AB OBE-NET
AS6939	Hurricane Electric LLC HURRICANE
AS50989	SITAB Infrastruktur DCS-Networks-AS