AS Number
AS18055
AS Name
CENTRELINK
Org Name
Department of Human Services
Country / Region
Australia
Registry

apnic

RegDate

Updated

2019-01-08T23:19:07Z

AS18055 Looking Glass
IPv4Prefixes

22

IPv6Prefixes

2

IPv4 NUMs

21,504

IPv6 NUMs(/64)

4,295,032,832

CIDR Description IP Num
103.45.254.0/23
IRR Valid
DHSNET Department of Human Services 512
161.146.160.0/24
IRR Valid
DHSNET-AU Department of Human Services 256
161.146.161.0/24
IRR Valid
DHSNET-AU Department of Human Services 256
161.146.192.0/19
IRR Valid
DHSNET-AU Department of Human Services 8192
161.146.195.0/24
IRR Parent Valid
DHSNET-AU Department of Human Services 256
161.146.201.0/24
IRR Parent Valid
DHSNET-AU Department of Human Services 256
161.146.224.0/20
IRR Valid
DHSNET-AU Department of Human Services 4096
161.146.235.0/24
IRR Valid
DHSNET-AU Department of Human Services 256
161.146.236.0/24
IRR Parent Valid
DHSNET-AU Department of Human Services 256
192.108.99.0/24
IRR InValid
AEC-GOV-AU AEC 256
192.195.44.0/22
IRR InValid
DOTT-AU Department of the Treasury 1024
192.195.48.0/22
IRR InValid
DOTT-AU Department of the Treasury 1024
192.195.49.0/24
IRR Valid
DOTT-AU Department of the Treasury 256
192.195.55.0/24
IRR Valid
DOTT-AU Department of the Treasury 256
202.59.247.0/24
IRR Valid
DHSNET Department of Human Services 256
203.13.0.0/24
IRR Parent Valid
DHSNET-AU Department of Human Services 256
203.13.0.0/20
IRR Valid
DHSNET-AU Department of Human Services 4096
203.13.10.0/24
IRR Parent Valid
DHSNET-AU Department of Human Services 256
203.13.43.0/24
IRR InValid
MDBA Murray-Darling Basin Authority 256
203.80.58.0/24
IRR InValid
DHSNET Department of Human Services 256
203.80.59.0/24
IRR InValid
DHSNET Department of Human Services 256
203.217.150.0/23
IRR InValid
DHSNET Department of Human Services 512
CIDR Description IP NUMs(prefix /64)
2001:df0:86::/48
IRR Valid
DHSNET Department of Human Services 65536
2407:6a00::/32
IRR Valid
DHSNET-AU Department of Human Services 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US United States 93,952 5,373,952 IPv4 IPv4
AS1221 ASN-TELSTRA - Telstra Limited, AU Australia 13,400,320 17,592,186,175,488 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS17653 - AS18431

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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
2019-01-08T23:19:07Z
source
APNIC

role APNIC Hostmaster

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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
2026-08-26T00:40:00Z
source
APNIC

aut-num AS18055

aut-num
as-name
CENTRELINK
descr
Department of Human Services
country
AU
import
from AS7474 action pref=10; accept ANY
export
to AS7474 announce AS18055
default
to AS7474 action pref=100; networks ANY
org
ORG-DOHS2-AP
admin-c
DHS11-AP
tech-c
DHS12-AP
abuse-c
AD896-AP
mnt-lower
MAINT-DHSNET-AU
mnt-routes
MAINT-DHSNET-AU
mnt-by
APNIC-HM
mnt-irt
IRT-DHSNET-AU
last-modified
2020-07-29T13:13:29Z
source
APNIC

irt IRT-DHSNET-AU

irt
IRT-DHSNET-AU
address
PO Box 7788 Canberra ACT 2610
e-mail
comms.support@servicesaustralia.gov.au
abuse-mailbox
comms.support@servicesaustralia.gov.au
admin-c
DHS11-AP
tech-c
DHS12-AP
auth
# Filtered
remarks
Department of Human Services
comms.support@servicesaustralia.gov.au was validated on 2026-05-01
mnt-by
MAINT-DHSNET-AU
last-modified
2026-08-21T01:35:54Z
source
APNIC

organisation ORG-DOHS2-AP

organisation
ORG-DOHS2-AP
org-name
Department of Human Services
org-type
LIR
country
AU
address
PO Box 7788
phone
+61-2-61418281
fax-no
+61-2-61437112
e-mail
comms.support@humanservices.gov.au
mnt-ref
APNIC-HM
mnt-by
APNIC-HM
last-modified
2023-09-05T02:15:24Z
source
APNIC

role ABUSE DHSNETAU

role
ABUSE DHSNETAU
country
ZZ
address
PO Box 7788 Canberra ACT 2610
phone
+000000000
e-mail
comms.support@servicesaustralia.gov.au
admin-c
DHS11-AP
tech-c
DHS12-AP
nic-hdl
AD896-AP
remarks
Generated from irt object IRT-DHSNET-AU
comms.support@servicesaustralia.gov.au was validated on 2026-05-01
abuse-mailbox
comms.support@servicesaustralia.gov.au
mnt-by
APNIC-ABUSE
last-modified
2026-05-01T03:29:28Z
source
APNIC

role DHS Network Admin

role
DHS Network Admin
address
PO Box 7788
country
AU
phone
+61-2-61418281
e-mail
comms.support@humanservices.gov.au
admin-c
JH3534-AP
tech-c
JH3534-AP
nic-hdl
DHS11-AP
mnt-by
MAINT-DHSNET-AU
last-modified
2021-01-08T03:25:50Z
source
APNIC
                Canberra BC ACT 2610

role DHS Gateway Admin

role
DHS Gateway Admin
address
PO Box 7788
country
AU
phone
+61-2-61310841
e-mail
got@humanservices.gov.au
admin-c
DD686-AP
tech-c
DD686-AP
nic-hdl
DHS12-AP
mnt-by
MAINT-DHSNET-AU
last-modified
2015-01-12T23:51:57Z
source
APNIC
                Canberra BC ACT 2610

as-block:       AS17653 - AS18431
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:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC



aut-num:        AS18055
as-name:        CENTRELINK
descr:          Department of Human Services
country:        AU
import:         from AS7474 action pref=10; accept ANY
export:         to AS7474 announce AS18055
default:        to AS7474 action pref=100; networks ANY
org:            ORG-DOHS2-AP
admin-c:        DHS11-AP
tech-c:         DHS12-AP
abuse-c:        AD896-AP
mnt-lower:      MAINT-DHSNET-AU
mnt-routes:     MAINT-DHSNET-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-DHSNET-AU
last-modified:  2020-07-29T13:13:29Z
source:         APNIC

irt:            IRT-DHSNET-AU
address:        PO Box 7788 Canberra ACT 2610
e-mail:         comms.support@servicesaustralia.gov.au
abuse-mailbox:  comms.support@servicesaustralia.gov.au
admin-c:        DHS11-AP
tech-c:         DHS12-AP
auth:           # Filtered
remarks:        Department of Human Services
remarks:        comms.support@servicesaustralia.gov.au was validated on 2026-05-01
mnt-by:         MAINT-DHSNET-AU
last-modified:  2026-08-21T01:35:54Z
source:         APNIC

organisation:   ORG-DOHS2-AP
org-name:       Department of Human Services
org-type:       LIR
country:        AU
address:        PO Box 7788
phone:          +61-2-61418281
fax-no:         +61-2-61437112
e-mail:         comms.support@humanservices.gov.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:24Z
source:         APNIC

role:           ABUSE DHSNETAU
country:        ZZ
address:        PO Box 7788 Canberra ACT 2610
phone:          +000000000
e-mail:         comms.support@servicesaustralia.gov.au
admin-c:        DHS11-AP
tech-c:         DHS12-AP
nic-hdl:        AD896-AP
remarks:        Generated from irt object IRT-DHSNET-AU
remarks:        comms.support@servicesaustralia.gov.au was validated on 2026-05-01
abuse-mailbox:  comms.support@servicesaustralia.gov.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-01T03:29:28Z
source:         APNIC

role:           DHS Network Admin
address:        PO Box 7788
                Canberra BC ACT 2610
country:        AU
phone:          +61-2-61418281
e-mail:         comms.support@humanservices.gov.au
admin-c:        JH3534-AP
tech-c:         JH3534-AP
nic-hdl:        DHS11-AP
mnt-by:         MAINT-DHSNET-AU
last-modified:  2021-01-08T03:25:50Z
source:         APNIC

role:           DHS Gateway Admin
address:        PO Box 7788
                Canberra BC ACT 2610
country:        AU
phone:          +61-2-61310841
e-mail:         got@humanservices.gov.au
admin-c:        DD686-AP
tech-c:         DD686-AP
nic-hdl:        DHS12-AP
mnt-by:         MAINT-DHSNET-AU
last-modified:  2015-01-12T23:51:57Z
source:         APNIC