AS9509 Department of Employment and Workplace Relations

DEWR-AS-AP - Department of Employment and Workplace Relations · registered in Australia

IPv4 addresses73,72810 prefixes · 0.002% of announced IPv4

Rank in Australia#45largest network in AU by IPv4 space, of 1,660 · 0.19% of AU

Rank worldwide#2,333of 79,396 networks with IPv4

IPv61 x /32 (65,537 x /48)2 prefixes

CountryAustralia1,688 ASNs registered there

Open AS9509 in ASN lookup Look up an IP in this network (165.12.0.1) All networks in Australia

IPv4 prefixes

All 10 prefixes, in address order.

165.12.0.0/17
165.12.128.0/18
165.12.192.0/20
165.12.208.0/22
165.12.214.0/23
165.12.216.0/21
165.12.224.0/19
192.207.248.0/24
202.14.186.0/24
221.121.64.0/19

IPv6 prefixes

All 2 prefixes.

2001:df0:41a::/48
2406:4c00::/32

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS9893#42 DSE-VIC-GOV-AS - Cenitex77,056

AS9723#43 ISEEK-AS-AP - iseek Communications Pty Ltd76,544

AS132029#44 ASN-TELSTRA-02 - Telstra Limited73,984

AS17983#46 COLES-AU-AS-AP - Coles Supermarkets Australia Pty Ltd73,728

AS134111#47 CSIRO-PAWSEY-AS-AP - Commonwealth Scientific and Industrial Research Organisation69,888

AS136247#48 VICUNI-AS-AP - Victoria University67,840

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