2001:718::

  • No reverse DNS
  • Not on blocklists
Network
CESNET-6PRAHA-BB
Description
CESNET PoP Backbone Prague
Held by
CESNET z.s.p.o.
Range
2001:718:: - 2001:718:0:ffff:ffff:ffff:ffff:ffff
CIDR
2001:718::/48
Type
AGGREGATED-BY-LIR
Country
CZ
Registered on
Last updated
Status
  • active
Report abuse to
abuse@cesnet.cz
Checked

Contacts

  • Administrative, technical and abuse

    CESNET z.s.p.o. Network Administrators CZNA1-RIPE

    CESNET, z.s.p.o.
    Generala Piky 430/26
    Prague 6
    160 00
    The Czech Republic

    abuse@cesnet.cz

    +420 234 680 222
    +420 602 252 531

  • Holder

    CESNET z.s.p.o. ORG-CA9-RIPE

    Generála Píky 430/26, Dejvice
    160 00
    Praha 6
    CZECH REPUBLIC

    +420 602 252 531
    +420 234 680 222

  • Holder

    TENCZ-MNT

  • Technical

    Jakub Mer JM6320-RIPE

    CESNET, z.s.p.o.
    Generala Piky 430/26
    Prague 6
    160 00
    The Czech Republic

    +420 234 680 433

  • Technical

    Martin Michal MM37245-RIPE

    CESNET, z.s.p.o.
    Generala Piky 430/26
    Praha 6
    160 00
    The Czech Republic

    +420 234 680 365

  • Administrative

    Vaclav Novak VN2-RIPE

    CESNET, z.s.p.o.
    Generala Piky 430/26
    Praha 6
    160 00
    The Czech Republic

    +420 234 680 200

Reverse DNS

Names
None

Network

Announced by
AS2852 CESNET z.s.p.o.
Route
2001:718::/29, carried by 3,769 of bgp.tools' BGP feeds
Kind
Eyeball
Country
CZ
Tagged
Academic, Tranco 10k Host, Validating RPKI ROV

Upstreams and peers

  • AS6939 Hurricane Electric LLC2,792 paths
  • AS21320 GEANT Vereniging1,026 paths
  • AS174 Cogent Communications, LLC593 paths
  • AS1853 ACONET557 paths
  • AS60606 PRO-ZETA a.s.482 paths
  • AS6461 Zayo Bandwidth177 paths
  • AS20965 GEANT Vereniging116 paths
  • AS20723 AVONET, s.r.o.60 paths
  • AS8218 Zayo Europe59 paths
  • AS35280 F5 Networks SARL55 paths
  • AS34549 meerfarbig GmbH & Co. KG51 paths
  • AS5405 Inter.link GmbH44 paths

And 61 more

Downstreams

  • AS199711 National Cyber and Information Security Agency521 paths
  • AS48091 Kraj Vysocina508 paths
  • AS197451 Brno University of Technology497 paths
  • AS197277 State Institute for Drug Control494 paths
  • AS200874 Liberecky kraj494 paths
  • AS201648 Plzensky kraj494 paths
  • AS210498 Kraj Vysocina494 paths
  • AS212876 Pardubicky Kraj494 paths
  • AS61110 Sprava informacnich technologii mesta Plzne, p.o.492 paths
  • AS202874 Zlinsky Kraj490 paths
  • AS213152 Narodni bezpecnostni urad Czech Republic405 paths
  • AS210367 Krajska zdravotni, a.s.383 paths

And 17 more

From RIPEstat

Routes AS2852 announces

26 IPv4 prefixes covering 849,920 addresses, and 1 IPv6 prefix

IPv6

  • 2001:718::/29

From bgp.tools

Peering

Name
CESNET
Type
Educational/Research
Peering policy
Selective
Traffic
500-1000Gbps
Traffic ratio
Balanced
Scope
Europe
AS-SET
RIPE::AS2852:AS-CESNET-GOOGLE
Website
https://www.cesnet.cz

Internet exchanges

ExchangeSpeedRoute servers
AMS-IX20 Gbit/sYes
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN30 Gbit/sNo
NIX.CZ: Public peering VLAN400 Gbit/s over 2 portsYes

From PeeringDB

Location

Map © OpenStreetMap contributors
Location
Prague, Czechia
Accuracy
Within 5 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed