AS200070 CZ.NIC, z.s.p.o.

Czechia CZNIC-AS2 RIPE 4 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

1,024

IPv6 /48 networks

RPKI

8 valid0 no ROA

Peers and downstreams

Holder

AS name: CZNIC-AS2
Description: CZ.NIC, z.s.p.o.
Organisation: CZ.NIC, z.s.p.o.
Abuse contact: abuse@nic.cz
Assigned: 2013-10-15
Registered: 2013-10-16
Record last changed: 2017-11-15 12:29 UTC

185.43.134.0/24 193.29.206.0/24 194.0.14.0/24 212.237.229.0/24

AS1828	Unitas Global UNITAS
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS3741	Dimension Data
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6720	Magistrat der Stadt Wien, Magistratsabteilung 01 MAGWIEN
AS6830	Liberty Global Europe Holding B.V. LibertyGlobal
AS6881	NIX.CZ z.s.p.o. NIXCZ
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS9044	BSE Software GmbH SOLNET
AS9930	TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia TTNET-MY
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS12779	IT.Gate S.p.A. ITGATE
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13004	Serbian Open Exchange DOO SOX
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS16347	ADISTA SAS INHERENT
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS17686	ACCELIA
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS25152	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) K-ROOT-SERVER
AS25160	Vorboss Limited VORBOSS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29504	Freenet Liberec, z.s. LBCFREE
AS31122	Digiweb ltd DIGIWEB-AS
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
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
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation LINZAG-TELEKOM-AS
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
AS40994	Hohl IT e.U. Alwyzon
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
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
AS49544	i3D.net B.V i3Dnet
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS59890	Kabel-TV Lampert GmbH & Co KG Kabel-TV-Lampert
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS62167	Tismi BV Tismi
AS198150	SIACOM JSC SIACOM-AS
AS207841	Inferno Communications Ltd INFERNO
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213241	TECHIT.BE SRL TECHIT
AS215628	Xenox IT & Kommunikations GmbH AS-XENOX-AT
AS215638	Cilix Limited AS-CILIX-LIMITED
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 8 of 8 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 4 IPv6 prefixes.	15/15
pass	More than one upstream 7 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@nic.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
fail	Registry record maintained Last changed 2017-11-15.	0/5

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/200070"><img src="https://ip-fd.net/badge/asn/200070/health.svg" alt="AS200070 network health on IP-FD.net"></a>

Markdown

[![AS200070 network health](https://ip-fd.net/badge/asn/200070/health.svg)](https://ip-fd.net/asn/200070)

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

Routing changes

Last 30 days

2026-10-05 04:56 UTC	Neighbour gone	AS39351	upstream
2026-10-05 04:56 UTC	Neighbour gone	AS37282	upstream
2026-10-05 04:56 UTC	Neighbour gone	AS9370	upstream
2026-10-05 04:56 UTC	New neighbour	AS9930	peer
2026-10-05 04:56 UTC	Relationship changed	AS9044	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS7713	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS6663	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS60171	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS5405	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS50304	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS48362	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS47147	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS41327	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS37497	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS37468	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS3741	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS37100	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS35280	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS34549	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS34177	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS3303	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS3214	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS29075	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS25091	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS215638	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS20485	upstream to peer
2026-10-05 04:56 UTC	New neighbour	AS17686	peer
2026-10-05 04:56 UTC	Relationship changed	AS15958	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS15802	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS12779	upstream to peer
2026-10-05 04:56 UTC	Relationship changed	AS12552	upstream to peer

WHOIS

aut-num:        AS200070
as-name:        CZNIC-AS2
org:            ORG-Cz1-RIPE
remarks:        
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT IMPORT
remarks:        
remarks:        EXCHANGE POINTS IMPORT
remarks:        ----------------------------------------------------------------------
remarks:        
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT EXPORT
remarks:        
remarks:        EXCHANGE POINTS EXPORT
remarks:        ----------------------------------------------------------------------
remarks:        
admin-c:        CZ-RIPE
tech-c:         CZ-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CZ-NIC-MNT
created:        2013-10-16T10:17:51Z
last-modified:  2017-11-15T12:29:16Z
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/200070

const res = await fetch('https://ip-fd.net/api/v1/asn/200070', {
  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/200070', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/200070');
curl_setopt($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/200070", 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.

AS1299	Arelion Sweden AB TWELVE99
AS1853	ACONET ACOnet
AS5459	London Internet Exchange Ltd. LINX-AS
AS6461	Zayo Bandwidth ZAYO-6461
AS6939	Hurricane Electric LLC HURRICANE
AS7521	INTERNET MULTIFEED CO. MFEED
AS9002	RETN Limited RETN-AS