9543 WESTNET-AS-AP Westnet Internet Services
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9722 PIPE-AS-AP PIPE Networks
AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 573 AS9543 ORIGIN Originate: 368256 /13.51 Transit: 0 /0.00 WESTNET-AS-AP Westnet Internet Services
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 779 AS9543 WESTNET-AS-AP Westnet Internet Services 88 28 11 71 17 19.32% Prefix AS Path Aggregation Suggestion 58.6.0.0/20 4608 1221 7474 9543 9543 + Announce - aggregate of 58.6.0.0/21 (4608 1221 7474 9543 9543) and 58.6.8.0/21 (4608 1221 7474 9543 9543) 58.6.0.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.8.0/21 (4608 1221 7474 9543 9543) 58.6.8.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.0.0/21 (4608 1221 7474 9543 9543) 58.6.16.0/21 4608 1221 7474 9543 9543 58.6.24.0/22 4608 1221 7474 9543 9543 58.6.28.0/22 4608 1221 7474 9543 58.6.32.0/20 4608 1221 7474 9543 + Announce - aggregate of 58.6.32.0/21 (4608 1221 7474 9543) and 58.6.40.0/21 (4608 1221 7474 9543) 58.6.32.0/21 4608 1221 7474 9543 - Withdrawn - aggregated with 58.6.40.0/21 (4608 1221 7474 9543) 58.6.40.0/21 4608 1221 7474 9543 - Withdrawn - aggregated with 58.6.32.0/21 (4608 1221 7474 9543) 58.6.56.0/21 4608 1221 7474 9543 9543 58.6.64.0/19 4608 1221 7474 9543 9543 + Announce - aggregate of 58.6.64.0/20 (4608 1221 7474 9543 9543) and 58.6.80.0/20 (4608 1221 7474 9543 9543) 58.6.64.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.72.0/21 (4608 1221 7474 9543 9543) 58.6.72.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.64.0/21 (4608 1221 7474 9543 9543) 58.6.80.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.88.0/21 (4608 1221 7474 9543 9543) 58.6.88.0/21 4608 1221 7474 9543 9543 - Withdrawn - aggregated with 58.6.80.0/21 (4608 1221 7474 9543 9543) 58.6.96.0/21 4608 1221 7474 9543 9543 58.6.104.0/25 4608 1221 7474 9543 + Announce - aggregate of 58.6.104.0/26 (4608 1221 7474 9543) and 58.6.104.64/26 (4608 1221 7474 9543) 58.6.104.0/26 4608 1221 7474 9543 - Withdrawn - aggregated with 58.6.104.64/26 (4608 1221 7474 9543) 58.6.104.64/26 4608 1221 7474 9543 - Withdrawn - aggregated with 58.6.104.0/26 (4608 1221 7474 9543) 58.6.108.0/22 4608 1221 7474 9543 9543 58.6.112.0/20 4608 9722 9543 + Announce - aggregate of 58.6.112.0/21 (4608 9722 9543) and 58.6.120.0/21 (4608 9722 9543) 58.6.112.0/21 4608 9722 9543 - Withdrawn - aggregated with 58.6.120.0/21 (4608 9722 9543) 58.6.120.0/21 4608 9722 9543 - Withdrawn - aggregated with 58.6.112.0/21 (4608 9722 9543) 58.6.128.0/20 4608 1221 7474 9543 9543 58.6.144.0/20 4608 1221 7474 9543 58.6.160.0/19 4608 1221 7474 9543 58.6.192.0/18 4608 1221 7474 9543 9543 58.7.0.0/16 4608 1221 7474 9543 9543 124.148.0.0/16 4608 9722 9543 + Announce - aggregate of 124.148.0.0/17 (4608 9722 9543) and 124.148.128.0/17 (4608 9722 9543) 124.148.0.0/17 4608 9722 9543 - Withdrawn - aggregated with 124.148.128.0/17 (4608 9722 9543) 124.148.128.0/17 4608 9722 9543 - Withdrawn - aggregated with 124.148.0.0/17 (4608 9722 9543) 124.149.0.0/17 4637 7473 7474 9543 124.149.135.0/24 4608 1221 7474 9543 9543 9543 9543 124.150.0.0/17 4637 7473 7474 9543 9543 192.207.152.0/24 4637 7473 7474 9543 9543 202.72.128.0/18 4637 7473 7474 9543 9543 202.173.128.0/21 4637 7473 7474 9543 202.173.136.0/21 4637 7473 7474 9543 9543 202.173.144.0/21 4608 9722 9543 202.173.152.0/21 4637 7473 7474 9543 9543 202.173.160.0/20 4637 7473 7474 9543 9543 202.173.176.0/22 4608 9722 9543 202.173.180.0/22 4637 7473 7474 9543 9543 202.173.182.0/23 4637 7473 7474 9543 9543 - Withdrawn - matching aggregate 202.173.180.0/22 4637 7473 7474 9543 9543 202.173.184.0/22 4637 7473 7474 9543 + Announce - aggregate of 202.173.184.0/23 (4637 7473 7474 9543) and 202.173.186.0/23 (4637 7473 7474 9543) 202.173.184.0/23 4637 7473 7474 9543 - Withdrawn - aggregated with 202.173.186.0/23 (4637 7473 7474 9543) 202.173.186.0/23 4637 7473 7474 9543 - Withdrawn - aggregated with 202.173.184.0/23 (4637 7473 7474 9543) 202.173.188.0/22 4608 9722 9543 + Announce - aggregate of 202.173.188.0/23 (4608 9722 9543) and 202.173.190.0/23 (4608 9722 9543) 202.173.188.0/23 4608 9722 9543 - Withdrawn - aggregated with 202.173.190.0/23 (4608 9722 9543) 202.173.190.0/23 4608 9722 9543 - Withdrawn - aggregated with 202.173.188.0/23 (4608 9722 9543) 203.10.1.0/24 4637 7473 7474 9543 9543 203.13.74.0/24 4637 7473 7474 9543 9543 203.17.90.0/24 4637 7473 7474 9543 9543 203.18.8.0/23 4637 7473 7474 9543 9543 203.19.28.0/23 4637 7473 7474 9543 9543 203.21.20.0/24 4637 7473 7474 9543 203.21.208.0/24 4637 7473 7474 9543 203.23.9.0/24 4637 7473 7474 9543 9543 203.23.53.0/24 4637 7473 7474 9543 9543 203.23.54.0/24 4608 9722 9543 203.23.225.0/24 4637 7473 7474 9543 9543 203.25.18.0/24 4637 7473 7474 9543 9543 203.25.83.0/24 4637 7473 7474 9543 9543 203.26.106.0/24 4637 7473 7474 9543 9543 203.26.172.0/24 4637 7473 7474 9543 9543 203.28.37.0/24 4637 7473 7474 9543 9543 203.30.96.0/24 4637 7473 7474 9543 9543 203.30.155.0/24 4637 7473 7474 9543 9543 203.30.206.0/23 4637 7473 7474 9543 9543 203.30.231.0/24 4637 7473 7474 9543 9543 203.31.127.0/24 4637 7473 7474 9543 9543 203.32.75.0/24 4637 7473 7474 9543 9543 203.34.124.0/24 4637 7473 7474 9543 9543 203.34.218.0/24 4637 7473 7474 9543 9543 203.34.239.0/24 4637 7473 7474 9543 9543 203.55.27.0/24 4637 7473 7474 9543 9543 203.57.120.0/24 4608 9722 9543 220.235.0.0/18 4637 7473 7474 9543 9543 220.235.64.0/20 4608 9722 9543 220.235.80.0/20 4637 7473 7474 9543 9543 220.235.96.0/20 4637 7473 7474 9543 220.235.112.0/20 4637 7473 7474 9543 9543 + Announce - aggregate of 220.235.112.0/21 (4637 7473 7474 9543 9543) and 220.235.120.0/21 (4637 7473 7474 9543 9543) 220.235.112.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.120.0/21 (4637 7473 7474 9543 9543) 220.235.120.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.112.0/21 (4637 7473 7474 9543 9543) 220.235.128.0/19 4637 7473 7474 9543 9543 + Announce - aggregate of 220.235.128.0/20 (4637 7473 7474 9543 9543) and 220.235.144.0/20 (4637 7473 7474 9543 9543) 220.235.128.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.136.0/21 (4637 7473 7474 9543 9543) 220.235.136.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.128.0/21 (4637 7473 7474 9543 9543) 220.235.144.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.152.0/21 (4637 7473 7474 9543 9543) 220.235.152.0/21 4637 7473 7474 9543 9543 - Withdrawn - aggregated with 220.235.144.0/21 (4637 7473 7474 9543 9543) 220.235.160.0/20 4637 7473 7474 9543 9543 220.235.176.0/21 4637 7473 7474 9543 9543 220.235.184.0/21 4637 7473 7474 9543 220.235.192.0/19 4637 7473 7474 9543 220.235.192.0/21 4637 7473 7474 9543 - Withdrawn - matching aggregate 220.235.192.0/19 4637 7473 7474 9543 220.235.224.0/21 4637 7473 7474 9543 9543 220.235.232.0/21 4608 9722 9543 220.235.240.0/20 4608 9722 9543 + Announce - aggregate of 220.235.240.0/21 (4608 9722 9543) and 220.235.248.0/21 (4608 9722 9543) 220.235.240.0/21 4608 9722 9543 - Withdrawn - aggregated with 220.235.248.0/21 (4608 9722 9543) 220.235.248.0/21 4608 9722 9543 - Withdrawn - aggregated with 220.235.240.0/21 (4608 9722 9543)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9543 70 More Specifics 87 Total Advertisements WESTNET-AS-AP Westnet Internet Services
58.6.0.0/21 58.6.0.0/17
58.6.8.0/21 58.6.0.0/17
58.6.16.0/21 58.6.0.0/17
58.6.24.0/22 58.6.0.0/17
58.6.28.0/22 58.6.0.0/17
58.6.32.0/21 58.6.0.0/17
58.6.40.0/21 58.6.0.0/17
58.6.56.0/21 58.6.0.0/17
58.6.64.0/21 58.6.0.0/17
58.6.72.0/21 58.6.0.0/17
58.6.80.0/21 58.6.0.0/17
58.6.88.0/21 58.6.0.0/17
58.6.96.0/21 58.6.0.0/17
58.6.108.0/22 58.6.0.0/17
58.6.112.0/21 58.6.0.0/17
58.6.120.0/21 58.6.0.0/17
58.6.128.0/20 58.6.128.0/17
58.6.144.0/20 58.6.128.0/17
58.6.160.0/19 58.6.128.0/17
58.6.192.0/18 58.6.128.0/17
124.148.0.0/17 124.148.0.0/15
124.148.128.0/17 124.148.0.0/15
124.149.0.0/17 124.148.0.0/15
124.149.129.0/24 124.148.0.0/15
124.149.130.0/24 124.148.0.0/15
124.149.135.0/24 124.148.0.0/15
192.207.152.0/24 192.207.152.0/22
202.173.128.0/21 202.173.128.0/19
202.173.136.0/21 202.173.128.0/19
202.173.144.0/21 202.173.128.0/19
202.173.152.0/21 202.173.128.0/19
202.173.160.0/20 202.173.160.0/19
202.173.176.0/22 202.173.160.0/19
202.173.180.0/22 202.173.160.0/19
202.173.182.0/23 202.173.160.0/19
202.173.184.0/23 202.173.160.0/19
202.173.186.0/23 202.173.160.0/19
202.173.188.0/23 202.173.160.0/19
202.173.190.0/23 202.173.160.0/19
203.17.90.0/24 203.17.90.0/23
203.18.8.0/23 203.18.8.0/22
203.21.208.0/24 203.21.208.0/20
203.23.53.0/24 203.23.52.0/23
203.23.225.0/24 203.23.224.0/23
203.25.18.0/24 203.25.18.0/23
203.26.106.0/24 203.26.104.0/21
203.30.155.0/24 203.30.154.0/23
203.31.127.0/24 203.31.126.0/23
203.34.124.0/24 203.34.124.0/23
203.55.27.0/24 203.55.26.0/23
203.57.120.0/24 203.57.120.0/21
220.235.0.0/18 220.235.0.0/17
220.235.64.0/20 220.235.0.0/17
220.235.80.0/20 220.235.0.0/17
220.235.96.0/20 220.235.0.0/17
220.235.112.0/21 220.235.0.0/17
220.235.120.0/21 220.235.0.0/17
220.235.128.0/21 220.235.128.0/17
220.235.136.0/21 220.235.128.0/17
220.235.144.0/21 220.235.128.0/17
220.235.152.0/21 220.235.128.0/17
220.235.160.0/20 220.235.128.0/17
220.235.176.0/21 220.235.128.0/17
220.235.184.0/21 220.235.128.0/17
220.235.192.0/19 220.235.128.0/17
220.235.192.0/21 220.235.128.0/17
220.235.224.0/21 220.235.128.0/17
220.235.232.0/21 220.235.128.0/17
220.235.240.0/21 220.235.128.0/17
220.235.248.0/21 220.235.128.0/17
whois: 402603
IANA has recorded AS9543 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9543\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9249 - AS10239'
as-block: AS9249 - AS10239
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: 2022-09-22T22:36:45Z
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 'AS9543'
% Abuse contact for 'AS9543' is 'noc@staff.iinet.net.au'
aut-num: AS9543
as-name: WESTNET-AS-AP
descr: Westnet Internet Services
descr: Osborne Park
descr: Western Australia
country: AU
import: from AS7606 action pref=10; accept ANY NOT AS1221
import: from AS1221 action pref=75; accept ANY NOT AS7606
export: to AS7606 announce AS9543
export: to AS1221 announce AS9543
default: to AS7606 action pref=20; networks ANY
default: to AS1221 action pref=10; networks ANY
org: ORG-IL1-AP
admin-c: JB6-AP
tech-c: IC6-AP
abuse-c: AI376-AP
mnt-lower: MAINT-AU-WESTNET
mnt-routes: MAINT-AU-WESTNET
mnt-by: APNIC-HM
mnt-irt: IRT-IINET-AU
last-modified: 2020-06-03T13:04:11Z
source: APNIC
irt: IRT-IINET-AU
address: iiNet Limited
address: Level 9, 250 St Georges Tce
address: Perth
address: WA 6000
e-mail: noc@staff.iinet.net.au
abuse-mailbox: noc@staff.iinet.net.au
admin-c: IH207-AP
tech-c: IH207-AP
auth: # Filtered
remarks: noc@staff.iinet.net.au was validated on 2026-05-04
mnt-by: MAINT-AU-IH207-AP
last-modified: 2026-05-04T05:15:06Z
source: APNIC
organisation: ORG-IL1-AP
org-name: iiNet Limited
org-type: LIR
country: AU
address: 502 Hay St
phone: +61-8-9214-2222
fax-no: +61-8-9214-2211
e-mail: noc@iinet.net.au
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:51Z
source: APNIC
role: ABUSE IINETAU
country: ZZ
address: iiNet Limited
address: Level 9, 250 St Georges Tce
address: Perth
address: WA 6000
phone: +000000000
e-mail: noc@staff.iinet.net.au
admin-c: IH207-AP
tech-c: IH207-AP
nic-hdl: AI376-AP
remarks: Generated from irt object IRT-IINET-AU
remarks: noc@staff.iinet.net.au was validated on 2026-05-04
abuse-mailbox: noc@staff.iinet.net.au
mnt-by: APNIC-ABUSE
last-modified: 2026-05-04T05:15:29Z
source: APNIC
person: Ian Chaloner
nic-hdl: IC6-AP
e-mail: whois@mind-meld.net
remarks: -----
remarks: All reports regarding SPAM or security breaches
remarks: should be addressed to abuse@mind-meld.net
remarks: ------
address: 31D Wanneroo Road
address: JOONDANNA WA 6060
address: Australia
phone: +61-417-990-370
country: AU
mnt-by: MAINT-AU-CHALONER
last-modified: 2012-11-09T06:18:01Z
source: APNIC
person: Jason Bailey
nic-hdl: JB6-AP
e-mail: jason.bailey@staff.westnet.com.au
address: Level 7
address: Central Park
address: 152 St Georges Terrace
address: Perth, Western Australia 6000
phone: +61-86-26-36300
country: AU
mnt-by: MAINT-AU-WESTNET
last-modified: 2008-09-04T07:29:14Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)