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AS38022 REANNZ National Research and Education Network

REANNZ-NZ-AP - REANNZ National Research and Education Network · registered in New Zealand

IPv4 addresses12,03216 prefixes · <0.001% of announced IPv4
Rank in New Zealand#37largest network in NZ by IPv4 space, of 419 · 0.25% of NZ
Rank worldwide#8,294of 79,396 networks with IPv4
IPv61 x /32 (130,807 x /48)50 prefixes
CountryNew Zealand427 ASNs registered there
Open AS38022 in ASN lookup Look up an IP in this network (163.7.128.1) All networks in New Zealand

IPv4 prefixes

All 16 prefixes, in address order.

  • 163.7.128.0/23
  • 163.7.134.0/23
  • 163.7.136.0/24
  • 163.7.137.0/24
  • 163.7.138.0/23
  • 163.7.140.0/22
  • 163.7.144.0/21
  • 163.7.152.0/21
  • 202.27.240.0/22
  • 202.36.85.0/24
  • 202.36.86.0/24
  • 202.50.199.0/24
  • 202.50.205.0/24
  • 210.7.32.0/21
  • 210.7.43.0/24
  • 210.7.44.0/23

IPv6 prefixes

All 50 prefixes.

  • 2404:138::/42
  • 2404:138:42::/47
  • 2404:138:44::/47
  • 2404:138:48::/45
  • 2404:138:50::/44
  • 2404:138:60::/43
  • 2404:138:80::/41
  • 2404:138:100::/43
  • 2404:138:120::/44
  • 2404:138:134::/46
  • 2404:138:138::/45
  • 2404:138:140::/42
  • 2404:138:180::/41
  • 2404:138:200::/39
  • 2404:138:400::/38
  • 2404:138:800::/37
  • 2404:138:1000::/36
  • 2404:138:2000::/35
  • 2404:138:4000::/46
  • 2404:138:4005::/48
  • 2404:138:4006::/47
  • 2404:138:4008::/45
  • 2404:138:4010::/44
  • 2404:138:4020::/43
  • 2404:138:4040::/42
  • 2404:138:4080::/41
  • 2404:138:4100::/40
  • 2404:138:4300::/40
  • 2404:138:4400::/38
  • 2404:138:4800::/37
  • 2404:138:5000::/36
  • 2404:138:6000::/35
  • 2404:138:8000::/33
  • 2404:139::/48
  • 2404:139:1::/48
  • 2404:139:2::/47
  • 2404:139:4::/46
  • 2404:139:8::/45
  • 2404:139:10::/44
  • 2404:139:20::/43
  • 2404:139:40::/42
  • 2404:139:80::/41
  • 2404:139:100::/40
  • 2404:139:200::/39
  • 2404:139:400::/38
  • 2404:139:800::/37
  • 2404:139:1000::/36
  • 2404:139:2000::/35
  • 2404:139:4000::/34
  • 2404:139:8000::/33

Similar-sized networks in New Zealand

ASNNameIPv4 addresses
AS10022#34 DSLAK-AS-AP - Internet access for Datacom Systems Auckland14,592
AS24183#35 DTS-ISP-Core1-AP - DTS LTD13,056
AS45179#36 SITEHOST-AS-AP - SiteHost New Zealand13,056
AS64073#38 VETTA - Vetta Group11,520
AS23905#39 VUW-AS-AP - Victoria University of Wellington11,520
AS9303#40 TDL2L-AS-AP - The Digital Lab 2007 Limited11,264

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