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AS140637 Macquarie Technology Operations Pty Limited

MTG-MG - Macquarie Technology Operations Pty Limited · registered in Australia

IPv4 addresses147,45647 prefixes · 0.005% of announced IPv4
Rank in Australia#22largest network in AU by IPv4 space, of 1,660 · 0.38% of AU
Rank worldwide#1,350of 79,396 networks with IPv4
IPv64,098 x /483 prefixes
CountryAustralia1,688 ASNs registered there
Open AS140637 in ASN lookup Look up an IP in this network (103.151.86.1) All networks in Australia

IPv4 prefixes

All 47 prefixes, in address order.

  • 103.151.86.0/23
  • 134.178.0.0/18
  • 134.178.64.0/19
  • 134.178.96.0/21
  • 134.178.104.0/22
  • 134.178.108.0/24
  • 134.178.109.0/24
  • 134.178.110.0/23
  • 134.178.112.0/20
  • 134.178.128.0/19
  • 134.178.160.0/20
  • 134.178.176.0/21
  • 134.178.184.0/24
  • 134.178.185.0/24
  • 134.178.186.0/23
  • 134.178.188.0/22
  • 134.178.192.0/22
  • 134.178.196.0/24
  • 134.178.197.0/24
  • 134.178.198.0/23
  • 134.178.200.0/21
  • 134.178.208.0/20
  • 134.178.224.0/19
  • 143.174.60.0/24
  • 143.174.192.0/20
  • 143.188.15.0/24
  • 143.188.16.0/23
  • 143.188.19.0/24
  • 143.188.21.0/24
  • 143.188.42.0/24
  • 143.188.101.0/24
  • 143.188.144.0/23
  • 143.188.190.0/23
  • 143.188.240.0/23
  • 155.187.0.0/16
  • 163.47.92.0/22
  • 180.149.192.0/23
  • 180.149.194.0/23
  • 192.55.112.0/24
  • 192.104.43.0/24
  • 192.104.44.0/23
  • 192.199.32.0/21
  • 194.193.16.0/22
  • 194.193.28.0/22
  • 202.9.78.0/24
  • 203.9.109.0/24
  • 203.31.52.0/23

IPv6 prefixes

All 3 prefixes.

  • 2400:bc00:1811::/48
  • 2400:bc00:1812::/48
  • 2400:cc00:3000::/36

Other ASNs named Macquarie Technology Operations Pty Limited

1 other network uses the same organisation name; together with AS140637 they announce 256,256 IPv4 addresses.

ASNNameIPv4 addresses
AS17477MCT-SYDNEY - Macquarie Technology Operations Pty Limited AU108,800

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS38809#19 VOCUS-VAS-AU - Vocus Advanced Services184,832
AS38333#20 SYMBIO-AS-AU-AP - Symbio Networks169,984
AS10143#21 EXETEL-AS-AP - Exetel Pty Ltd152,576
AS137409#23 GSLNETWORKS-AS-AP - GSL Networks Pty LTD146,432
AS9555#24 VzB-AU-AS - Verizon Australia PTY Limited137,728
AS10235#25 NAB-AS-AP - National Australia Bank Limited136,448

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