145.100.12.243

  • Reverse DNS confirmed
  • Not on blocklists
Network
SURFsara-network
Description
SURFsara Science Park Watergraafsmeer (WTCW) Amsterdam
Held by
SN-LIR-MNT
Range
145.100.0.0 - 145.100.63.255
CIDR
145.100.0.0/18
Type
LEGACY
Country
NL
Registered on
Last updated
Status
  • active
Report abuse to
cert@surfcert.nl
Checked

Contacts

  • Holder

    SN-LIR-MNT

  • Holder

    SURF-AUTO-MNT

  • Administrative and technical

    SURFsara NOC SURF1-RIPE

    Science Park 140
    1098 XG Amsterdam
    The Netherlands

    abuse@surfsara.nl

    +31 20 8001300

  • Abuse

    SURF Network Maintainer SNS1-RIPE

    Kantoren Hoog Overborch (Hoog Catharijne)
    Moreelsepark 48, 3511 EP Utrecht
    Postbus 19035, 3501 DA Utrecht

    cert@surfcert.nl

    +31 88 7873000

  • Technical

    Bram Wittendorp BW4086-RIPE

    SURF B.V.
    P.O. Box 19035
    3501 DA Utrecht
    The Netherlands

    +31 88 787 30 00

  • Technical

    Edwin Verheul EV4604-RIPE

    SURF B.V.
    P.O. Box 19035
    3501 DA Utrecht
    The Netherlands

    +31 88 787 30 00

  • Technical

    Joachim Opdenakker JO5863-RIPE

    Heirbaan 11
    3650 Dilsen-Stokkem

    +32497802317

  • Technical

    Marijke Kaat MK512-RIPE

    SURFnet bv
    P.O. Box 19035
    NL - 3501 DA Utrecht
    The Netherlands

    +31 30 2305305
    +31 30 2305329

  • Technical

    Max Mudde MM57501-RIPE

    Moreelsepark 48, Utrecht

    +31887873000

  • Technical

    Niels den Otter NO17-RIPE

    SURF
    P.O. Box 19035
    NL - 3501 DA Utrecht
    The Netherlands

    +31 30 2305305

  • Administrative and technical

    Wim Biemolt WB311-RIPE

    SURF bv
    P.O. Box 19035
    NL - 3501 DA Utrecht
    The Netherlands

    +31 88 7873000

Reverse DNS

Names
Forward check
Confirmednsauth2.osd.surfsara.nl resolves to 145.100.12.243, 2001:610:108:2043::243

Network

Announced by
AS1103 SURF B.V.
Route
145.100.0.0/15, carried by 3,047 of bgp.tools' BGP feeds
Country
NL
Tagged
Tor services, Academic, Tranco 10k Host

Upstreams and peers

  • AS3257 GTT Communications Inc.43,952 paths
  • AS6939 Hurricane Electric LLC21,059 paths
  • AS6830 Liberty Global Europe Holding B.V.17,794 paths
  • AS20562 Open Peering (Broadband Hosting B.V.)8,821 paths
  • AS2914 NTT America, Inc.6,570 paths
  • AS20965 GEANT Vereniging5,172 paths
  • AS9002 RETN Limited4,887 paths
  • AS7195 EdgeUno4,121 paths
  • AS24785 Joint Transit (Broadband Hosting B.V.)3,191 paths
  • AS37468 Angola Cables2,194 paths
  • AS1031 PEER 1031 LLC1,931 paths
  • AS22356 Durand do Brasil Ltda1,749 paths

And 54 more

Downstreams

  • AS3257 GTT Communications Inc.2,415 paths
  • AS7195 EdgeUno1,070 paths
  • AS1101 SURF (Thunderlab)1,026 paths
  • AS9498 Bharti Airtel Ltd.872 paths
  • AS4230 Claro (Embratel)815 paths
  • AS11537 Internet2679 paths
  • AS20562 Open Peering (Broadband Hosting B.V.)614 paths
  • AS1031 PEER 1031 LLC564 paths
  • AS1152 SURF B.V.368 paths
  • AS271253 LINK BRASIL TELECOMUNICACOES LTDA368 paths
  • AS1102 SURF B.V.365 paths
  • AS1145 SURF B.V.363 paths

And 457 more

From RIPEstat

Routes AS1103 announces

99 IPv4 prefixes covering 7,200,000 addresses, and 4 IPv6 prefixes

From bgp.tools

Peering

Name
SURF
Type
Educational/Research
Peering policy
Open
Traffic
500-1000Gbps
Traffic ratio
Mostly Inbound
Scope
Europe
AS-SET
RIPE::AS1103:AS-SURF
Website
http://www.surf.nl/en

Internet exchanges

ExchangeSpeedRoute servers
AMS-IX600 Gbit/s over 3 portsYes
Frys-IX600 Gbit/s over 3 portsYes
NL-ix: Main200 Gbit/s over 2 portsYes

Facilities

  • Digital Realty AMS17 - Amsterdam, Amsterdam, NL
  • Digital Realty AMS3/5/7/8/10 - Amsterdam, Amsterdam, NL
  • Digital Realty AMS9 - Amsterdam, Amsterdam, NL
  • Equinix AM3 - Amsterdam, Science Park, Amsterdam, NL
  • Equinix AM7 - Amsterdam, Kuiperberweg, Amsterdam, NL
  • NIKHEF Amsterdam, Amsterdam, NL

From PeeringDB

Location

Map © OpenStreetMap contributors
Location
Amsterdam, North Holland, The Netherlands
Accuracy
Within 20 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed