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AS51744

jablonka.cz z.s.

Czechia (CZ)

ASN Information

AS NumberAS51744
AS NameASJABLONKA
OrganizationASJABLONKA Non-profit organization Jablonka.cz
Also known asjablonka.cz z.s.
CountryCzechia (CZ)
RegistryRIPE NCC
ASN TypeNon-Profit
Last Seen
Announcement Count2
IPv4 Prefix Count1
IPv6 Prefix Count1
RPKI StatusNotFound ×1Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttp://www.jablonka.cz ↗

AS Path to AS51744

  1. 9002—
  2. 15935HA-VEL-LOCAL-AS ha-vel internet s.r.o.
  3. 51744Origin

Most common path, seen 10× in route collector data, latest at a collector in Amsterdam (2026-10-24 20:42:35 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 21 peer session(s)São Paulo: 30 peer session(s)Johannesburg: 34 peer session(s)Singapore: 41 peer session(s)Amsterdam: 51 peer session(s)London: 60 peer session(s)Eugene, OR: 111 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 (2)

View All →
PrefixFamilyRPKILast Seen
91.219.244.0/22IPv4NotFoundNot looked up yet
2001:67c:1798::/48IPv6Not checkedNot looked up yet

Peers (28)

View All →
ASNameRelationshipPathsLast Seen
AS15935HA-VEL-LOCAL-AS ha-vel internet s.r.o.Upstream (inferred)192
AS39392SuperNetwork SH.cz s.r.o.Upstream (inferred)104
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)38
AS49544i3Dnet i3D.net B.VUpstream (inferred)3
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)2
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)2
AS37721Virtual Technologies & Solutions - Virtual Technologies & SolutionsUpstream (inferred)2
AS6204ZET-NET INTERKVM HOST SRLUpstream (inferred)1

Neighbours seen next to AS51744 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 (1)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
Peering.czPrague, Bratislava, Vienna, Frankfurt, CZ185.0.20.962001:7f8:7f::9610GYes
Peering.czPrague, Bratislava, Vienna, Frankfurt, CZ185.0.20.972001:7f8:7f::9710GYes

IX ports registered by AS51744 (self-reported by the network).

Interconnection Facilities (1)

FacilityCityCountry
CE Colo PraguePragueCzechia

Data centres where AS51744 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic1-5Gbps
Traffic ratioMostly Inbound
Geographic scopeRegional
Max prefixes (IPv4 / IPv6)1 / 0
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS51744.

Only contacts the network has chosen to publish are shown.

Upstreams (17)

View all →
ASNameRelationshipPathsLast Seen
AS15935HA-VEL-LOCAL-AS ha-vel internet s.r.o.Upstream (inferred)192
AS39392SuperNetwork SH.cz s.r.o.Upstream (inferred)104
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)38
AS49544i3Dnet i3D.net B.VUpstream (inferred)3
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)2
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)2
AS37721Virtual Technologies & Solutions - Virtual Technologies & SolutionsUpstream (inferred)2
AS6204ZET-NET INTERKVM HOST SRLUpstream (inferred)1
AS8529OMANTEL-AS Zain Omantel International FZ-LLCUpstream (inferred)1
AS39120CONVERGENZE-AS Convergenze S.p.A.Upstream (inferred)1
AS57463NetIX NetIX Communications JSCUpstream (inferred)1
AS132337ANSPL-AS-AP - AxclusiveUpstream (inferred)1

Downstreams (3)

ASNameRelationshipPathsLast Seen
AS57069ASDCC Dempsey and Clark s.r.o.Downstream (inferred)Inferred—
AS205026WVG-CLOUD-AS wvg solution s.r.o.Downstream (inferred)Inferred—
AS206468TREBORADICENET-AS Treboradice.net z.s.Downstream (inferred)Inferred—

Registry and network details

Registered holderASJABLONKA Non-profit organization Jablonka.cz
RegisteredYes
Peering policyOpen
IRR AS-setNot available
Registry record last modified
MaintainersRIPE-NCC-END-MNT, JABLONKA-MNT
Internet exchanges1
Facilities1
Network profile updated

Data updated . See limitations.