HomeASN LookupAS214757

AS214757 Jakub-Krsa Jakub Krsa

🇨🇿

Org handle: ORG-JK110-RIPE

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
26total
1 IPv425 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)1.8×10²⁷
Announced (BGP)2.2×10²⁶
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
100
Country
🇨🇿 CZ
RIR
RIPE NCC
Status
allocated
Allocated
2024-06-06

Routing hygiene

Score 1/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
16
diversity 88/100
  • All announced prefixes have a valid ROA and a matching IRR route object

Based on 26 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)26
|
Prefix
RPKI
IRR
Last Seen
169.128.49.0/24
 Valid
ARIN
-
2a05:dfc3:f800::/44
 Valid
RIPE
-
2a05:dfc3:f810::/44
 Valid
RIPE
-
2a05:dfc3:f820::/44
 Valid
RIPE
-
2a05:dfc3:f830::/44
 Valid
RIPE
-
2a05:dfc3:f840::/44
 Valid
RIPE
-
2a05:dfc3:f850::/44
 Valid
RIPE
-
2a05:dfc3:f860::/44
 Valid
RIPE
-
2a0a:6044:a101::/48
 Valid
RIPE
-
2a0a:6044:a106::/48
 Valid
RIPE
-
1-10 of 26
1 / 3

Allocated Prefixes

(RIR)42
Prefix
Country
RIR
Status
2a05:dfc3:f800::/40🇨🇿 CZRIPEassigned
2a05:dfc3:f800::/44🇳🇱 NLRIPEassigned
2a05:dfc3:f810::/44🇸🇪 SERIPEassigned
2a05:dfc3:f820::/44🇨🇿 CZRIPEassigned
2a05:dfc3:f830::/44🇺🇸 USRIPEassigned
2a05:dfc3:f840::/44🇧🇷 BRRIPEassigned
2a05:dfc3:f850::/44🇬🇧 GBRIPEassigned
2a05:dfc3:f860::/44🇦🇺 AURIPEassigned
2a05:dfc3:f8f0::/48🇺🇸 USRIPEassigned
2a07:54c1:c500::/40🇨🇿 CZRIPEassigned
1-10 of 42
1 / 5

All 26 announced prefixes of AS214757 →

Upstream Providers(14)

ASNName
AS6204🇷🇴ZET-NET INTERKVM HOST SRL
AS6939🇺🇸HURRICANE - Hurricane Electric LLC
AS34854🇩🇪BLAHAJ-CLOUD Maria Merkel trading as Blahaj Studio
AS34927🇨🇭iFog-GmbH iFog GmbH
AS49127🇳🇱ASIMO-AS Asimo Networks B.V.
AS50263🇵🇱IXP-1-IX-EU A-Systems Sp. z o.o.
AS50338🇨🇿GAMERHOST GamerHost s.r.o.
AS50917🇳🇱DIEDERIK-AS Diederik Focko de Zee
AS57463🇧🇬NetIX NetIX Communications JSC
AS60068🇬🇧CDN77 Datacamp Limited
AS137409🇦🇺GSLNETWORKS-AS-AP - GSL Networks Pty LTD
AS213622🇦🇪FALCON Falcon FZE LLC
AS214331🇧🇷Teske-Virtual-System TESKE VIRTUAL SYSTEM LTDA
AS214762🇵🇱MATHOST Sebastian Stefanek trading as MatHost.eu

Downstream Customers(26)

ASNName
AS60900🇨🇦SsmidgeTechnologies Adrian Trifonov trading as Ssmidge Technologies
AS199183🇳🇱Arjen-Essink Arjen Olaf Essink
AS199518🇺🇸GSHAPIRO-AS Gregory Shapiro
AS200242🇩🇪de-theirs Ember Ana Reimer
AS201398🇺🇸AS201398-NETWORK Guwin Universal Services LLC
AS201445🇺🇸Zerval-Network Zerval Network LLC
AS203868🇮🇩RAPDODGENET-ID Rifqi Arief Pamungkas
AS205126🇫🇷LGO Leo Francois Jean-Baptiste Godard
AS205941🇷🇴LSG Lungu Stefan Gabriel
AS207445🇱🇧AS_VAMH Vincent Maroun
AS208471🇸🇪VKNets Ville Ketola Nilsson
AS209552🇧🇪Jan Jan Siroky
AS210578🇳🇱NeNet Niels Groenewegen trading as NeNet
AS211008🇱🇻LIKHNER-AS Arturs Lihners
AS211715🇩🇪Christian-Vonderstein Christian Vonderstein
AS212470🇺🇦LaptopCat Oleksandr Kurinnyi
AS213409🇺🇦Lynqia Daniil Koval
AS213576🇮🇪ERTIUS-NET Robert Weir
AS214205🇷🇴CRISTIAN-TUDOR-MARCUS Cristian Tudor Marcus
AS214508🇧🇪MANUBRAIBANT Manu Braibant
AS214675🇯🇵Starlamp Hidenori Matsuo
AS214762🇵🇱MATHOST Sebastian Stefanek trading as MatHost.eu
AS215760🇮🇹DISPAISY-AS Adam Grazioli
AS215956🇧🇪MYIP-AS Dennis de Houx trading as All In One
AS218804🇧🇭mahmood-althawadi Mahmood Althawadi
AS219299🇺🇦KHINKALI-INDUSTRIES KHINKALI INDUSTRIES LLC

BGP Neighbours

(seen in AS paths)

Upstreams (15)

Networks AS214757 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6939Hurricane Electric5
  • AS49127ASIMO Networks B.V3
  • AS34854BLAHAJ CLOUD Maria Merkel Trading Blahaj Studio2
  • AS50917DIEDERIK Focko De Zee2
  • AS56584INTER IX InterEdge B.V2
  • AS142064VergeTel2
  • AS213622FALCON FZE2
  • AS6204ZET NET INTERKVM HOST1
  • AS34224NETERRA1
  • AS50338GAMERHOST S.R.O1
  • AS57463NetIX Communications JSC1
  • AS137409GSL Networks Pty1
  • AS208453SWEHOST NET Johan Karlsson Trading SweHosting1
  • AS212895ROUTE64 ORG Johannes Ernst1
  • AS214762MATHOST Sebastian Stefanek Trading MatHost.Eu1

Downstreams (22)

Networks whose own prefixes AS214757 passes on: usually its customers.

  • AS198889JERDA NET Jerzy Dabrowski5
  • AS219331FreePKT Thomas BOUZIN4
  • AS199183Arjen Essink Arjen Olaf Essink3
  • AS205305Pandem Network Gabriel Peron3
  • AS209552Jan Siroky3
  • AS60900SsmidgeTechnologies Adrian Trifonov Trading Ssmidge Technologies2
  • AS199518GSHAPIRO Gregory Shapiro2
  • AS203062ALEXANDRE ROUX ASRINFOPRO Alexandre Roux2
  • AS205126LGO Leo Francois Jean Baptiste Godard2
  • AS212470LaptopCat Oleksandr Kurinnyi2
  • AS214205CRISTIAN TUDOR MARCUS Cristian Tudor Marcus2
  • AS59449KonzolaNET Mitja Herbaj1
  • AS201398AS201398 NETWORK Guwin Universal Services1
  • AS205941LSG Lungu Stefan Gabriel1
  • AS207466SBFR Sebastien Beaufour1
  • AS211008LIKHNER Arturs Lihners1
  • AS211715Christian Vonderstein Christian Vonderstein1
  • AS212085BRUEGGUS Alexander Bruegmann1
  • AS213576ERTIUS NET Robert Weir1
  • AS214508MANUBRAIBANT Manu Braibant1
  • AS214818WILL WILSON William Wilson1
  • AS219251Walther Tomasz Walter1

Other adjacent networks (2)

Adjacent to AS214757 in the transit part of AS paths: peers, providers or customers.

ASPA
Published14 upstreams, 26 downstreams
Authorized Upstream Providers
AS6204AS6939AS34854AS34927AS49127AS50263AS50338AS50917AS57463AS60068AS137409AS213622AS214331AS214762
Expires 2026-10-28
Listed as Upstream Provider by
26 ASNs
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/214757

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/214757" | jq