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AS9723 iseek Communications Pty Ltd

ISEEK-AS-AP - iseek Communications Pty Ltd · registered in Australia

IPv4 addresses76,54489 prefixes · 0.002% of announced IPv4
Rank in Australia#43largest network in AU by IPv4 space, of 1,660 · 0.20% of AU
Rank worldwide#2,259of 79,396 networks with IPv4
IPv61 x /32 (65,538 x /48)3 prefixes
CountryAustralia1,688 ASNs registered there
Open AS9723 in ASN lookup Look up an IP in this network (1.178.2.1) All networks in Australia

IPv4 prefixes

All 89 prefixes, in address order.

  • 1.178.2.0/23
  • 1.178.66.0/23
  • 1.178.80.0/24
  • 1.178.82.0/23
  • 1.178.84.0/23
  • 1.178.96.0/22
  • 1.178.176.0/22
  • 1.179.0.0/23
  • 1.179.4.0/22
  • 1.179.8.0/22
  • 1.179.12.0/23
  • 1.179.16.0/21
  • 1.179.48.0/22
  • 1.179.96.0/22
  • 58.87.0.0/22
  • 58.87.4.0/22
  • 58.87.8.0/21
  • 103.38.10.0/23
  • 103.72.202.0/23
  • 103.95.77.0/24
  • 103.143.44.0/24
  • 110.238.21.0/24
  • 110.238.24.0/23
  • 110.238.144.0/23
  • 110.238.146.0/24
  • 110.238.240.0/23
  • 110.239.32.0/23
  • 110.239.128.0/21
  • 110.239.176.0/24
  • 110.239.178.0/24
  • 119.12.80.0/22
  • 119.13.0.0/21
  • 119.13.8.0/23
  • 119.13.10.0/24
  • 119.13.48.0/24
  • 119.13.144.0/22
  • 119.13.176.0/23
  • 119.13.178.0/24
  • 119.13.240.0/23
  • 121.52.192.0/21
  • 121.91.96.0/23
  • 121.91.199.0/24
  • 123.200.128.0/22
  • 123.200.134.0/23
  • 123.200.137.0/24
  • 123.200.138.0/23
  • 123.200.140.0/22
  • 123.200.144.0/20
  • 123.200.160.0/21
  • 123.200.168.0/23
  • 123.200.172.0/24
  • 123.200.174.0/23
  • 123.200.179.0/24
  • 123.200.180.0/22
  • 123.200.186.0/23
  • 123.200.188.0/23
  • 123.200.200.0/23
  • 123.200.208.0/20
  • 123.200.240.0/23
  • 160.236.107.0/24
  • 160.250.72.0/24
  • 202.74.64.0/21
  • 202.83.64.0/21
  • 202.83.72.0/22
  • 202.83.76.0/24
  • 202.83.78.0/23
  • 202.83.80.0/20
  • 202.176.15.0/24
  • 202.183.96.0/22
  • 202.183.100.0/23
  • 202.183.102.0/24
  • 202.183.104.0/22
  • 202.183.108.0/24
  • 202.183.110.0/23
  • 202.183.112.0/21
  • 202.183.120.0/22
  • 202.183.126.0/23
  • 203.16.25.0/24
  • 203.31.82.0/24
  • 210.56.64.0/24
  • 210.56.68.0/22
  • 210.56.152.0/21
  • 220.157.64.0/24
  • 220.157.70.0/23
  • 220.157.74.0/23
  • 220.157.79.0/24
  • 220.157.80.0/21
  • 220.157.90.0/23
  • 220.157.92.0/22

IPv6 prefixes

All 3 prefixes.

  • 2001:df0:4b00::/48
  • 2001:df7:3540::/48
  • 2407:6800::/32

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS136518#40 WA-GOVERNMENT-AS-AP - WA Government project84,224
AS10148#41 UNIMELB-AS-AP - The University of Melbourne, Melbourne, Victoria78,336
AS9893#42 DSE-VIC-GOV-AS - Cenitex77,056
AS132029#44 ASN-TELSTRA-02 - Telstra Limited73,984
AS9509#45 DEWR-AS-AP - Department of Employment and Workplace Relations73,728
AS17983#46 COLES-AU-AS-AP - Coles Supermarkets Australia Pty Ltd73,728

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