AS214757 Jakub Krsa 🇨🇿 CZ
Announcing 15 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
14
89 × /48
Upstreams
13
transit providers observed
Peers
20
settlement-free adjacencies
Downstreams
23
transit customers observed
Customer cone
17
ASes reachable through it
Registry and operator data
- AS number
- AS214757
- Name
- Jakub Krsa
- Organisation
- 214757 - Jakub Krsa
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2024-06-06
- Network type
- Educational/Research
- Traffic levels
- 100-1000Mbps
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- RIPE::AS214757:AS-ALL
- Website
- https://as214757.net
- Looking glass
- https://lg.as214757.net
- PeeringDB
- net/36428
- Exchanges
- 18
- Facilities
- 7
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6204 TMRC GROUP SRL | 🇷🇴 RO | 20,657 | 5 | 34 | inferred |
| AS60068 Datacamp Limited (CDN77 / DataPacket) | 🇬🇧 GB | 15,538 | 420 | 35 | inferred |
| AS56655 Gigahost AS | 🇳🇴 NO | 15,349 | 33 | 2 | inferred |
| AS50263 A-Systems Sp. z o.o. | 🇵🇱 PL | 1,416 | 1 | 138 | CAIDA |
| AS208972 GIBIRNet Iletisim | 🇹🇷 TR | 415 | 89 | 1 | inferred |
| AS49127 Asimo Networks B.V. | 🇳🇱 NL | 161 | 10 | 248 | CAIDA |
| AS50917 Diederik Focko de Zee | 🇳🇱 NL | 79 | 3 | 86 | CAIDA |
| AS29632 Netassist International EOOD | 🇧🇬 BG | 42 | 0 | 10 | inferred |
| AS34854 Maria Merkel trading as Blahaj Studio | 🇩🇪 DE | 3 | 2 | 37 | inferred |
| AS57463 NetIX Communications JSC | 🇧🇬 BG | 0 | 1 | 221 | inferred |
| AS213241 TECHIT.BE SRL | 🇧🇪 BE | 0 | 14 | 31 | inferred |
| AS56662 Marcin Gondek | 🇵🇱 PL | 0 | 0 | 5 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 53,567 | 235 | 332 | CAIDA |
| AS20485 TransTeleCom JSC | 🇷🇺 RU | 28,120 | 85 | 11 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 21,513 | 64 | 6 | CAIDA |
| AS50673 Serverius Holding B.V. | 🇳🇱 NL | 15,950 | 130 | 107 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 15,442 | 48 | 55 | CAIDA |
| AS34927 iFog GmbH | 🇨🇠CH | 15,336 | 38 | 91 | CAIDA |
| AS137409 GSL Networks Pty LTD | 🇦🇺 AU | 7,885 | 578 | 35 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,747 | 45 | 30 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 268 | 567 | 30 | CAIDA |
| AS25091 IP-Max SA | 🇨🇠CH | 170 | 25 | 1 | CAIDA |
| AS6696 VERIXI SA | 🇧🇪 BE | 144 | 49 | 14 | CAIDA |
| AS34019 Hivane Association | 🇫🇷 FR | 38 | 6 | 1 | CAIDA |
| AS1103 SURF B.V. | 🇳🇱 NL | 29 | 99 | 1 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 15 | 8 | 4 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 16 | CAIDA |
| AS204092 Association GRIFON | 🇫🇷 FR | 10 | 2 | 32 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 4 | CAIDA |
| AS206499 LOCIX LIMITED | 🇬🇧 GB | 4 | 3 | 2 | CAIDA |
| AS401753 BIXCE Inc | 🇻🇬 VG | 2 | 1 | 35 | CAIDA |
| AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | 🇳🇱 NL | 0 | 7 | 78 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS214762 Sebastian Stefanek trading as MatHost.eu | 🇵🇱 PL | 10 | 3 | 218 | CAIDA |
| AS205941 Lungu Stefan Gabriel | 🇷🇴 RO | 6 | 3 | 262 | CAIDA |
| AS60900 Adrian Trifonov trading as Ssmidge Technologies | 🇨🇦 CA | 2 | 5 | 67 | inferred |
| AS199518 Gregory Shapiro | 🇺🇸 US | 2 | 2 | 33 | inferred |
| AS212470 Oleksandr Kurinnyi | 🇺🇦 UA | 0 | 0 | 87 | inferred |
| AS209552 Jan Siroky | 🇧🇪 BE | 0 | 0 | 79 | inferred |
| AS201398 Guwin Universal Services LLC | 🇺🇸 US | 0 | 0 | 65 | inferred |
| AS208471 Ville Ketola Nilsson | 🇸🇪 SE | 0 | 0 | 58 | inferred |
| AS212085 Alexander Bruegmann | 🇩🇪 DE | 0 | 1 | 58 | inferred |
| AS59449 Mitja Herbaj | 🇸🇮 SI | 0 | 0 | 49 | inferred |
| AS219331 Thomas BOUZIN | 🇫🇷 FR | 0 | 0 | 37 | inferred |
| AS18636 Ondrya | 🇺🇸 US | 0 | 1 | 37 | inferred |
| AS214205 Cristian Tudor Marcus | 🇷🇴 RO | 0 | 0 | 31 | inferred |
| AS214161 Rafael Perzaada | 🇧🇪 BE | 0 | 0 | 21 | inferred |
| AS211008 Arturs Lihners | 🇱🇻 LV | 0 | 0 | 17 | inferred |
| AS203062 Alexandre Roux | 🇫🇷 FR | 0 | 2 | 16 | inferred |
| AS211715 Christian Vonderstein | 🇩🇪 DE | 0 | 0 | 16 | inferred |
| AS210578 Lucas Groenewegen trading as McPal | 🇳🇱 NL | 0 | 0 | 16 | inferred |
| AS214508 Manu Braibant | 🇧🇪 BE | 0 | 0 | 14 | inferred |
| AS207445 Vincent Maroun | 🇱🇧 LB | 0 | 0 | 13 | inferred |
| AS208733 Erick Hoffmann | 🇩🇪 DE | 0 | 0 | 11 | inferred |
| AS213576 Robert Weir | 🇮🇪 IE | 0 | 2 | 10 | inferred |
| AS213409 Daniil Koval | 🇺🇦 UA | 0 | 0 | 5 | inferred |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.