ASN AS38903 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS38903?

AS38903 is listed under Australian Unity Limited.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS38903 Australian Unity Limited

ASN Lookup Tool

Australian Unity Limited australianunity.com.au

AU 6 Routes

AS Data

AS38903

AS38903 – Australian Unity Limited

AS Number	38903
AS Name	AUSTUNITY-AS-AP
Organization	Australian Unity Limited(org-aul3-ap)
Country	AU
Website	australianunity.com.au
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS38903 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.131.83.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256
203.99.154.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256
203.99.153.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256
203.99.152.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256
203.99.155.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256
103.122.123.0/24	AS38903	Australian Unity Limited	Australian Unity Limited	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS38903'

% Abuse contact for 'AS38903' is 'domain@australianunity.com.au'

aut-num:        AS38903
as-name:        AUSTUNITY-AS-AP
descr:          Australian Unity Limited
country:        AU
org:            ORG-AUL3-AP
admin-c:        BA210-AP
tech-c:         BA210-AP
abuse-c:        AA1520-AP
mnt-lower:      MAINT-AUSTUNITY-AU
mnt-routes:     MAINT-AUSTUNITY-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-AUSTUNITY-AU
last-modified:  2020-05-27T13:02:39Z
source:         APNIC

irt:            IRT-AUSTUNITY-AU
address:        114 Albert Road
address:        South Melbourne
e-mail:         domain@australianunity.com.au
abuse-mailbox:  domain@australianunity.com.au
admin-c:        BA210-AP
tech-c:         BA210-AP
auth:           # Filtered
remarks:        domain@australianunity.com.au was validated on 2025-11-26
mnt-by:         MAINT-AUSTUNITY-AU
last-modified:  2025-11-26T00:27:27Z
source:         APNIC

organisation:   ORG-AUL3-AP
org-name:       Australian Unity Limited
org-type:       LIR
country:        AU
address:        271 Spring Street
phone:          +61411014664
e-mail:         domain@australianunity.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-09-16T13:18:30Z
source:         APNIC

role:           ABUSE AUSTUNITYAU
country:        ZZ
address:        114 Albert Road
address:        South Melbourne
phone:          +000000000
e-mail:         domain@australianunity.com.au
admin-c:        BA210-AP
tech-c:         BA210-AP
nic-hdl:        AA1520-AP
remarks:        Generated from irt object IRT-AUSTUNITY-AU
remarks:        domain@australianunity.com.au was validated on 2025-11-26
abuse-mailbox:  domain@australianunity.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-26T00:28:10Z
source:         APNIC

role:           BT Admin
address:        Australian Unity Limited
address:        114 Albert Road
address:        South Melbourne
country:        AU
phone:          +61 3 8682 5000
e-mail:         domain@australianunity.com.au
admin-c:        BA210-AP
tech-c:         BA210-AP
nic-hdl:        BA210-AP
mnt-by:         MAINT-AUSTUNITY-AU
last-modified:  2013-11-21T02:17:27Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number	Description	Country
AS1221	Telstra Limited	AU

Upstreams

AS Number	Description	Country
AS1221	Telstra Limited	AU

Contacts

Email Contacts

domain@australianunity.com.au

Abuse Contacts