AS139193 Mainstream Group Holdings Ltd

MGHL-AS-AP - Mainstream Group Holdings Ltd · registered in Australia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Australia#1,483largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#70,874of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS139193 in ASN lookup Look up an IP in this network (103.139.123.1) All networks in Australia

IPv4 prefixes

All 1 prefix, in address order.

103.139.123.0/24

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS138952#1480 ENDEMOLSHINE-AS-AP - Endemol Shine Australia Pty Ltd256

AS139000#1481 VIRIDIANIT1-AS-AP - ViridianIT256

AS139050#1482 CBUS-AS-AP - United Super Pty Ltd256

AS139222#1484 CITYOFWANNEROO-AS-AP - City of Wanneroo256

AS139246#1485 TTSCL-AS-AP - Twin Towns Services Club Ltd256

AS139273#1486 HENRYSCHEIN-AS-AP - HENRY SCHEIN REGIONAL PTY LIMITED256

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