AS1921 ipcom GmbH

Austria RCODEZERO-ANYCAST-SEC1-TLD RIPE 15 IPv4 prefixes 15 IPv6 prefixes

IPv4 addresses

3,840

IPv6 /48 networks

RPKI

26 valid4 no ROA

Peers and downstreams

104

Holder

AS name: RCODEZERO-ANYCAST-SEC1-TLD
Description: RcodeZero Anycast DNS e2ae41441ccec3d294d6c17d3b7d1bdde4286f12
Organisation: ipcom GmbH
Abuse contact: reports@cert.at
Assigned: 1993-08-31
Registered: 2002-08-21
Record last changed: 2026-05-12 21:30 UTC

176.97.158.0/24 185.102.12.0/24 185.167.176.0/24 185.80.188.0/24 185.80.191.0/24 192.174.68.0/24 193.227.117.0/24 193.46.128.0/24 193.46.133.0/24 193.46.134.0/24 193.46.135.0/24 194.0.182.0/24 194.0.25.0/24 194.50.187.0/24 91.237.67.0/24

AS1031	PEER 1031 LLC PEER1-1031
AS1828	Unitas Global UNITAS
AS1836	green.ch AG GREEN
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3216	PJSC "Vimpelcom" SOVAM-AS
AS3741	Dimension Data
AS4455	IX Reach Ltd BSO
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
AS6667	Elisa Oyj EUNET-FINLAND
AS6730	Sunrise GmbH SUNRISE
AS6830	Liberty Global Europe Holding B.V. LibertyGlobal
AS6894	KDDI Europe Ltd KDDI-EUROPE
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8308	PANSTWOWY INSTYTUT BADAWCZY NASK-COMMERCIAL NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8849	Melbikomas UAB MELBICOM-EU-AS
AS9002	RETN Limited RETN-AS
AS9044	BSE Software GmbH SOLNET
AS12307	Sandro Bolliger trading as Bolliger Network Solutions RAVANA
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS12779	IT.Gate S.p.A. ITGATE
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS15623	Cyberlink AG CYBERLINK
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
AS16347	ADISTA SAS INHERENT
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20612	SwissIX Internet Exchange SWISSIX
AS20932	Services Industriels de Geneve SIG-ST
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS21232	Genossenschaft GGA Maur GGAMAUR
AS22548	Nucleo de Inf. e Coord. do Ponto BR - NIC.BR AS22548
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS29014	ScaleUp Technologies GmbH & Co. KG SCALEUP
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29691	Nine Internet Solutions AG NINE
AS31122	Digiweb ltd DIGIWEB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
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
AS35266	EX Networks Limited EXN-AS
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS37100	SEACOM 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
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42310	IE Domain Registry CLG IEDR
AS42708	Glesys AB GLESYS
AS45049	Wan4you WAN4YOU
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS49432	Dominic Schallert trading as schallert.com e.U. SCHALLERT-AS
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
AS55803	Hostopia Australia Web Pty Ltd HOSTOPIA-AU
AS56630	Melbikomas UAB MELBICOM-EU-AS
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS58057	Securebit AG SECUREBIT
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
AS196621	Freestone FREESTONE
AS198150	SIACOM JSC SIACOM-AS
AS198249	Ops One AG OPSONE
AS198385	AlpineDC SA AlpineDC
AS199524	G-Core Labs S.A. GCORE
AS202032	GOLINE SA GOLINE
AS207841	Inferno Communications Ltd INFERNO
AS209823	Enki Multimedia EURL ENKI-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213241	TECHIT.BE SRL TECHIT
AS215638	Cilix Limited AS-CILIX-LIMITED
AS263152	MIGO TELECOM AS263152
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 87/100

partly	Prefixes covered by valid ROAs 26 of 30 announced prefixes are RPKI valid, 4 have no ROA.	22/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 15 IPv6 prefixes.	15/15
pass	More than one upstream 11 upstreams seen in BGP.	10/10
pass	Working abuse contact reports@cert.at 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 2026-05-12.	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/1921"><img src="https://ip-fd.net/badge/asn/1921/health.svg" alt="AS1921 network health on IP-FD.net"></a>

Markdown

[![AS1921 network health](https://ip-fd.net/badge/asn/1921/health.svg)](https://ip-fd.net/asn/1921)

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

Routing changes

Last 30 days

2026-10-05 18:48 UTC	Neighbour gone	AS137409	upstream
2026-10-05 18:48 UTC	Neighbour gone	AS39351	upstream
2026-10-05 18:48 UTC	Neighbour gone	AS37282	upstream
2026-10-05 18:48 UTC	Neighbour gone	AS20764	upstream
2026-10-05 18:48 UTC	Relationship changed	AS9044	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS9002	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS8849	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS8308	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS8298	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 18:48 UTC	New neighbour	AS6057	peer
2026-10-05 18:48 UTC	Relationship changed	AS60171	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS56630	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS55803	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS5405	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS50304	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS48362	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS4601	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS42708	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS42310	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS41327	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS37497	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS37468	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS3741	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS37100	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS35280	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS34927	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS34549	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS34177	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS33891	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS3216	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS3214	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS29075	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS29014	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS25091	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS22548	upstream to peer
2026-10-05 18:48 UTC	New neighbour	AS215638	peer
2026-10-05 18:48 UTC	Relationship changed	AS21215	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS199524	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS1836	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS15802	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS14840	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS12779	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS12552	upstream to peer
2026-10-05 18:48 UTC	Relationship changed	AS1031	upstream to peer

WHOIS

aut-num:        AS1921
as-name:        RCODEZERO-ANYCAST-SEC1-TLD
descr:          RcodeZero Anycast DNS
org:            ORG-IGFI3-RIPE
sponsoring-org: ORG-nIBu1-RIPE
remarks:        =================================================
remarks:        Transit: nic.at GmbH
remarks:        
remarks:        Transit: Cloud2 - LAX/FMT/HE
remarks:        
remarks:        Transit: IEDR
remarks:        
remarks:        Transit: NASK
remarks:        
remarks:        Transit: 365 Data Centers (Atlantic Metro AS)
remarks:        
remarks:        Transit: 365 Data Centers (Inforelay AS)
remarks:        
remarks:        Transit: 365 Data Centers (BroadbandONE)
remarks:        
remarks:        Transit: i3D
remarks:        
remarks:        Transit: ANEXIA
remarks:        
remarks:        Transit: Portlane
remarks:        
remarks:        Transit: Vultr/Choopa
remarks:        
remarks:        Transit: nic.br
remarks:        
remarks:        Transit: DigitalPacific
remarks:        
remarks:        Transit: HostVirtual
remarks:        
remarks:        Transit: Infomaniak
remarks:        
remarks:        Transit: LINX-AS
remarks:        
remarks:        Transit: HE IPv6 only
remarks:        
remarks:        Transit: First Colo
remarks:        
remarks:        Transit: G-Core Labs S.A.
remarks:        
remarks:        Transit: Cloudflare
remarks:        
remarks:        Transit: Edgeuno
remarks:        
remarks:        Transit: nic.hu
remarks:        
remarks:        Transit: ScaleUp Technologies
remarks:        
remarks:        Transit: Gigahost.no
remarks:        
remarks:        Routeserver: Rheintal IX
remarks:        
remarks:        =================================================
remarks:        Customer: ACOnet/Univie (Dallas)
remarks:        
remarks:        Customer: ACOnet/Univie (London)
remarks:        
remarks:        Customer: b.dns.br (Singapore)
remarks:        
remarks:        Customer: d.dns.br (Singapore)
remarks:        =================================================
descr:          e2ae41441ccec3d294d6c17d3b7d1bdde4286f12
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         NICAT-MNT
admin-c:        RS3195-RIPE
admin-c:        KD36
tech-c:         Nto1-RIPE
status:         LEGACY
created:        2002-08-21T16:07:49Z
last-modified:  2026-05-12T21:30:54Z
source:         RIPE
% 112 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/1921

const res = await fetch('https://ip-fd.net/api/v1/asn/1921', {
  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/1921', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/1921');
curl_setopt($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/1921", 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.

AS5459	London Internet Exchange Ltd. LINX-AS
AS6939	Hurricane Electric LLC HURRICANE
AS7195	EDGEUNO S.A.S AS7195
AS20473	The Constant Company, LLC AS-VULTR
AS29222	Infomaniak Network SA Infomaniak-AS
AS30971	nic.at GmbH NICAT-CORE-AS
AS36236	NetActuate, Inc NETACTUATE
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS44066	firstcolo GmbH DE-FIRSTCOLO
AS49544	i3D.net B.V i3Dnet
AS56655	Gigahost AS GIGAHOST

AS11644	Nucleo de Inf. e Coord. do Ponto BR - NIC.BR AS11644
AS12136	Nucleo de Inf. e Coord. do Ponto BR - NIC.BR AS12136
AS35052	ACONET AS_AT_TLD_SERVICES