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AS200070

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

Czechia (CZ)

ASN Information

AS NumberAS200070
AS NameCZNIC-AS2
OrganizationCZNIC-AS2 CZ.NIC, z.s.p.o.
Also known asNot available
CountryCzechia (CZ)
RegistryRIPE NCC
ASN TypeNSP
Last Seen
Announcement Count10
IPv4 Prefix Count5
IPv6 Prefix Count5
RPKI StatusValid ×2Unknown (could not be determined) ×8
IRR RecordsView IRR route objects
Websitehttps://www.nic.cz/ ↗

AS Path to AS200070

  1. 137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD
  2. 328748—
  3. 37474—
  4. 25192—

Most common path, seen 15× in route collector data, latest at a collector in São Paulo (2026-10-20 09:34:32 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 15 peer session(s)São Paulo: 21 peer session(s)Johannesburg: 26 peer session(s)Amsterdam: 27 peer session(s)Singapore: 27 peer session(s)London: 36 peer session(s)Eugene, OR: 62 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (10)

View All →
PrefixFamilyRPKILast Seen
185.43.134.0/24IPv4ValidNot looked up yet
193.29.206.0/24IPv4Not checkedNot looked up yet
194.0.12.0/24IPv4Not checkedNot looked up yet
194.0.14.0/24IPv4ValidNot looked up yet
212.237.229.0/24IPv4Not checkedNot looked up yet
2001:678:1::/48IPv6Not checkedNot looked up yet
2001:678:f::/48IPv6Not checkedNot looked up yet
2001:678:11::/48IPv6Not checkedNot looked up yet

Peers (106)

View All →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)69
AS1853ACOnet - ACONETUpstream (inferred)24
AS7521MFEED - INTERNET MULTIFEED CO.Upstream (inferred)20
AS5459LINX-AS London Internet Exchange Ltd.Upstream (inferred)14
AS49544i3Dnet i3D.net B.VUpstream (inferred)13
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)12
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)9
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)7

Neighbours seen next to AS200070 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (7)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
JPNAP TokyoTokyo, JP210.173.176.1252001:7fa:7:1:0:2:5192:11GYes
JPNAP TokyoTokyo, JP210.173.176.1262001:7fa:7:1:0:2:5192:21GYes
LINX LON1London, GB195.66.227.1122001:7f8:4::3:d86:110GYes
LINX LON2London, GB195.66.239.1122001:7f8:4:1:0:3:d86:110GYes
LINX NoVAAshburn, Reston, Manassas, US206.55.197.2502001:504:31::3:d86:110GYes
NIX.CZPrague, CZ91.210.16.1732001:7f8:14::5d:110GYes
NIX.SKBratislava, SK194.30.187.382001:7f8:91::41:110GYes
VIXVienna, AT193.203.0.462001:7f8:30:0:1:1000:20:7010GYes

IX ports registered by AS200070 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS200070.

Data centres where AS200070 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-CZNIC-TRANSIT
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic100-1000Mbps
Traffic ratioBalanced
Geographic scopeGlobal
Max prefixes (IPv4 / IPv6)50 / 50
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (2)

RoleNameEmailPhone
NOCNOCnoc@nic.cz—
PolicyPeeringpeering@nic.cz—

Only contacts the network has chosen to publish are shown.

Upstreams (70)

View all →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)69
AS1853ACOnet - ACONETUpstream (inferred)24
AS7521MFEED - INTERNET MULTIFEED CO.Upstream (inferred)20
AS5459LINX-AS London Internet Exchange Ltd.Upstream (inferred)14
AS49544i3Dnet i3D.net B.VUpstream (inferred)13
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)12
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)9
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)7
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)6
AS35280F5 F5 Networks SARLUpstream (inferred)6
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)6
AS4775GLOBE-TELECOM-AS - Globe TelecomsUpstream (inferred)5

Downstreams (0)

No downstream ASNs found for AS200070 in current data sources.

Registry and network details

Registered holderCZNIC-AS2 CZ.NIC, z.s.p.o.
RegisteredYes
Peering policyOpen
IRR AS-setAS-CZNIC-TRANSIT
Registry record last modified
MaintainersRIPE-NCC-END-MNT, CZ-NIC-MNT
Internet exchanges7
Facilities0
Network profile updated

Data updated . See limitations.