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AS29515 HZD-AS Hessische Zentrale fuer Datenverarbeitung

HZD-AS Hessische Zentrale fuer Datenverarbeitung · registered in Germany

IPv4 addresses16,64016 prefixes · <0.001% of announced IPv4
Rank in Germany#268largest network in DE by IPv4 space, of 2,315 · 0.01% of DE
Rank worldwide#6,809of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryGermany2,599 ASNs registered there
Open AS29515 in ASN lookup Look up an IP in this network (141.90.0.1) All networks in Germany

IPv4 prefixes

All 16 prefixes, in address order.

  • 141.90.0.0/22
  • 141.90.4.0/23
  • 141.90.6.0/24
  • 141.90.7.0/24
  • 141.90.8.0/21
  • 141.90.16.0/24
  • 141.90.17.0/24
  • 141.90.18.0/23
  • 141.90.20.0/23
  • 141.90.22.0/23
  • 141.90.24.0/21
  • 141.90.32.0/20
  • 141.90.48.0/22
  • 141.90.52.0/22
  • 141.90.56.0/21
  • 141.90.145.0/24

IPv6 prefixes

All 1 prefix.

  • 2a02:1016::/32

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ASNNameIPv4 addresses
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AS16024#267 GELSEN-NET GELSEN-NET Kommunikationsgesellschaft mbH16,640
AS57154#269 SWKN Stadtwerke Konstanz GmbH16,640
AS48778#270 IHK-NET IHK Gesellschaft fuer Informationsverarbeitung mbH16,640
AS29487#271 PFIZERSWITZERLAND-AS Pfizer Manufacturing Deutschland GmbH16,640

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources