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AS numbers

AS214757 214757 - Jakub Krsa

AS214757 is operated by 214757 - Jakub Krsa and registered with RIPE NCC (CZ) since 2024-06-06.

It announces 1 IPv4 and 16 IPv6 prefixes, 100% of them RPKI valid.

RIPE RIS sees 68 upstream and peer networks and 26 downstream networks next to it.

PeeringDB lists it as an Educational/Research network at 20 internet exchanges and 8 facilities. Its peering policy is open.

Name214757 - Jakub Krsa
Registry (RIR)RIPE NCC
CountryCzechia (CZ)
Delegated on2024-06-06
Network typeEducational/Research, Europe
Peering policyOpen
IRR as-setRIPE::AS214757:AS-ALL
Prefixes (IPv4 / IPv6)1 / 16
RPKI valid100% (17 / 17)
Upstreams and peers68
Downstream networks26
Websiteas214757.net

Routing health

  • AS214757 announces 1 IPv4 and 16 IPv6 prefixes.
  • All 17 announced prefixes are RPKI valid.
  • 68 upstreams and peers, 26 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 17

  • 169.128.49.0/24
  • 2a0a:6044:a1e0::/48
  • 2a05:dfc3:f800::/44
  • 2a14:6f44:10a0::/44
  • 2a14:6f44:1000::/44
  • 2a14:6f44:1010::/44
  • 2a14:6f44:1020::/44
  • 2a14:6f44:1030::/44
  • 2a14:6f44:1040::/44
  • 2a14:6f44:1101::/48
  • 2a14:6f44:1102::/48
  • 2a14:6f44:1103::/48
  • 2a14:6f44:1104::/48
  • 2a14:6f44:1105::/48
  • 2a14:6f44:1106::/48
  • 2a14:6f44:1107::/48
  • 2a14:6f45:b00b::/48

Upstreams and peers 68

The networks RIPE RIS sees next to AS214757 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 100 IPv4, 1,000 IPv6. PeeringDB record

Internet exchanges 20
ExchangePortsSpeedRoute server
1-IX EU110GYes
1-NL FREE110GYes
AMS-IX11GYes
FogIXP110GYes
FogIXP Amsterdam110GYes
Frys-IX110GYes
GNM-IX11GYes
INTERIX110GYes
IX.br (PTT.br) São Paulo: ATM/MPLA110GYes
NetIX: NetIX110GYes
Netnod Stockholm BLUE -- MTU1500: STH-B -- MTU15001100MYes
Netnod Stockholm BLUE -- MTU4470: STH-B -- MTU44701100MYes
Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU15001100MYes
Netnod Stockholm GREEN -- MTU4470: STH-A -- MTU44701100MYes
NeverIX Velbert1100GYes
nine110GYes
NL-ix: Main11GYes
PITER-IX Frankfurt110GYes
PITER-IX Moscow: MSK_PEERING_VLAN110GYes
PITER-IX Saint-Petersburg: SPB_PEERING_VLAN110GYes
Facilities 8
FacilityCityCountry
ATMAN Data Center Warsaw-1 (WAW-1, Grochowska 21A)WarsawPL
Equinix SP3 - São PauloSantana de ParnaibaBR
MK Netzdienste DatacenterFrankfurt am MainDE
NETMOUNTAINS® Datacenter VEL1 & VEL2VelbertDE
NIKHEF AmsterdamAmsterdamNL
Qupra DCAmsterdamNL
Realtox Media VELVelbertDE
Telehouse - London (Docklands North)LondonGB

More about AS214757

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 13:03 UTC. The country is where the AS number was registered, not necessarily where the network operates.