9426 WESTPAC-AS-AP - Westpac Bank, AU
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS7474 OPTUSCOM-AS01-AU - SingTel Optus Pty Ltd, AU
AS1221 ASN-TELSTRA - Telstra Limited, AU
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5073 AS9426 ORIGIN Originate: 35328 /16.89 Transit: 0 /0.00 WESTPAC-AS-AP - Westpac Bank, AU
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 % 2418 AS9426 WESTPAC-AS-AP - Westpac Bank, AU 53 35 12 30 23 43.40% Prefix AS Path Aggregation Suggestion 110.5.80.0/22 4608 1221 9426 110.5.80.0/22 4777 32787 9426 + Announce - aggregate of 110.5.80.0/23 (4777 32787 9426) and 110.5.82.0/23 (4777 32787 9426) 110.5.80.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.81.0/24 (4777 32787 9426) 110.5.81.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.80.0/24 (4777 32787 9426) 110.5.82.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.83.0/24 (4777 32787 9426) 110.5.83.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.82.0/24 (4777 32787 9426) 110.5.84.0/22 4608 1221 9426 110.5.84.0/22 4777 32787 9426 + Announce - aggregate of 110.5.84.0/23 (4777 32787 9426) and 110.5.86.0/23 (4777 32787 9426) 110.5.84.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.85.0/24 (4777 32787 9426) 110.5.85.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.84.0/24 (4777 32787 9426) 110.5.86.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.87.0/24 (4777 32787 9426) 110.5.87.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.86.0/24 (4777 32787 9426) 110.5.88.0/21 4608 1221 9426 + Announce - aggregate of 110.5.88.0/22 (4608 1221 9426) and 110.5.92.0/22 (4608 1221 9426) 110.5.88.0/22 4608 1221 9426 - Withdrawn - aggregated with 110.5.92.0/22 (4608 1221 9426) 110.5.88.0/23 4777 32787 9426 + Announce - aggregate of 110.5.88.0/24 (4777 32787 9426) and 110.5.89.0/24 (4777 32787 9426) 110.5.88.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.89.0/24 (4777 32787 9426) 110.5.89.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.88.0/24 (4777 32787 9426) 110.5.92.0/22 4608 1221 9426 - Withdrawn - aggregated with 110.5.88.0/22 (4608 1221 9426) 110.5.92.0/22 4777 32787 9426 + Announce - aggregate of 110.5.92.0/23 (4777 32787 9426) and 110.5.94.0/23 (4777 32787 9426) 110.5.92.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.93.0/24 (4777 32787 9426) 110.5.93.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.92.0/24 (4777 32787 9426) 110.5.94.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.95.0/24 (4777 32787 9426) 110.5.95.0/24 4777 32787 9426 - Withdrawn - aggregated with 110.5.94.0/24 (4777 32787 9426) 166.120.0.0/21 4608 1221 9426 + Announce - aggregate of 166.120.0.0/22 (4608 1221 9426) and 166.120.4.0/22 (4608 1221 9426) 166.120.0.0/22 4608 1221 9426 - Withdrawn - aggregated with 166.120.4.0/22 (4608 1221 9426) 166.120.0.0/23 4777 32787 9426 + Announce - aggregate of 166.120.0.0/24 (4777 32787 9426) and 166.120.1.0/24 (4777 32787 9426) 166.120.0.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.1.0/24 (4777 32787 9426) 166.120.1.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.0.0/24 (4777 32787 9426) 166.120.3.0/24 4777 32787 9426 166.120.4.0/22 4608 1221 9426 - Withdrawn - aggregated with 166.120.0.0/22 (4608 1221 9426) 166.120.4.0/22 4777 32787 9426 + Announce - aggregate of 166.120.4.0/23 (4777 32787 9426) and 166.120.6.0/23 (4777 32787 9426) 166.120.4.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.5.0/24 (4777 32787 9426) 166.120.5.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.4.0/24 (4777 32787 9426) 166.120.6.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.7.0/24 (4777 32787 9426) 166.120.7.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.6.0/24 (4777 32787 9426) 166.120.64.0/19 4608 1221 9426 166.120.64.0/22 4608 1221 9426 - Withdrawn - matching aggregate 166.120.64.0/19 4608 1221 9426 166.120.65.0/24 4777 32787 9426 166.120.66.0/24 4777 32787 9426 166.120.80.0/20 4608 1221 7474 9426 166.120.164.0/22 4608 1221 9426 166.120.164.0/23 4777 32787 9426 + Announce - aggregate of 166.120.164.0/24 (4777 32787 9426) and 166.120.165.0/24 (4777 32787 9426) 166.120.164.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.165.0/24 (4777 32787 9426) 166.120.165.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.164.0/24 (4777 32787 9426) 166.120.167.0/24 4777 32787 9426 166.120.200.0/22 4608 1221 9426 166.120.202.0/23 4777 32787 9426 + Announce - aggregate of 166.120.202.0/24 (4777 32787 9426) and 166.120.203.0/24 (4777 32787 9426) 166.120.202.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.203.0/24 (4777 32787 9426) 166.120.203.0/24 4777 32787 9426 - Withdrawn - aggregated with 166.120.202.0/24 (4777 32787 9426) 166.120.212.0/22 4608 1221 9426 166.120.212.0/24 4777 32787 9426 166.120.216.0/22 4608 1221 9426 166.120.216.0/24 4777 32787 9426 203.16.39.0/24 4777 32787 9426 203.23.44.0/24 4777 32787 9426 203.24.0.0/21 4608 1221 9426 + Announce - aggregate of 203.24.0.0/22 (4608 1221 9426) and 203.24.4.0/22 (4608 1221 9426) 203.24.0.0/22 4608 1221 9426 - Withdrawn - aggregated with 203.24.4.0/22 (4608 1221 9426) 203.24.1.0/24 4777 32787 9426 203.24.3.0/24 4777 32787 9426 203.24.4.0/22 4608 1221 9426 - Withdrawn - aggregated with 203.24.0.0/22 (4608 1221 9426) 203.24.4.0/22 4777 32787 9426 + Announce - aggregate of 203.24.4.0/23 (4777 32787 9426) and 203.24.6.0/23 (4777 32787 9426) 203.24.4.0/24 4777 32787 9426 - Withdrawn - aggregated with 203.24.5.0/24 (4777 32787 9426) 203.24.5.0/24 4777 32787 9426 - Withdrawn - aggregated with 203.24.4.0/24 (4777 32787 9426) 203.24.6.0/24 4777 32787 9426 - Withdrawn - aggregated with 203.24.7.0/24 (4777 32787 9426) 203.24.7.0/24 4777 32787 9426 - Withdrawn - aggregated with 203.24.6.0/24 (4777 32787 9426)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9426 51 More Specifics 53 Total Advertisements WESTPAC-AS-AP - Westpac Bank, AU
110.5.80.0/22 110.5.80.0/20
110.5.80.0/24 110.5.80.0/20
110.5.81.0/24 110.5.80.0/20
110.5.82.0/24 110.5.80.0/20
110.5.83.0/24 110.5.80.0/20
110.5.84.0/22 110.5.80.0/20
110.5.84.0/24 110.5.80.0/20
110.5.85.0/24 110.5.80.0/20
110.5.86.0/24 110.5.80.0/20
110.5.87.0/24 110.5.80.0/20
110.5.88.0/22 110.5.80.0/20
110.5.88.0/24 110.5.80.0/20
110.5.89.0/24 110.5.80.0/20
110.5.92.0/22 110.5.80.0/20
110.5.92.0/24 110.5.80.0/20
110.5.93.0/24 110.5.80.0/20
110.5.94.0/24 110.5.80.0/20
110.5.95.0/24 110.5.80.0/20
166.120.0.0/22 166.120.0.0/16
166.120.0.0/24 166.120.0.0/16
166.120.1.0/24 166.120.0.0/16
166.120.3.0/24 166.120.0.0/16
166.120.4.0/22 166.120.0.0/16
166.120.4.0/24 166.120.0.0/16
166.120.5.0/24 166.120.0.0/16
166.120.6.0/24 166.120.0.0/16
166.120.7.0/24 166.120.0.0/16
166.120.64.0/19 166.120.0.0/16
166.120.64.0/22 166.120.0.0/16
166.120.65.0/24 166.120.0.0/16
166.120.66.0/24 166.120.0.0/16
166.120.80.0/20 166.120.0.0/16
166.120.164.0/22 166.120.0.0/16
166.120.164.0/24 166.120.0.0/16
166.120.165.0/24 166.120.0.0/16
166.120.167.0/24 166.120.0.0/16
166.120.200.0/22 166.120.0.0/16
166.120.202.0/24 166.120.0.0/16
166.120.203.0/24 166.120.0.0/16
166.120.212.0/22 166.120.0.0/16
166.120.212.0/24 166.120.0.0/16
166.120.216.0/22 166.120.0.0/16
166.120.216.0/24 166.120.0.0/16
203.24.0.0/22 203.24.0.0/21
203.24.1.0/24 203.24.0.0/21
203.24.3.0/24 203.24.0.0/21
203.24.4.0/22 203.24.0.0/21
203.24.4.0/24 203.24.0.0/21
203.24.5.0/24 203.24.0.0/21
203.24.6.0/24 203.24.0.0/21
203.24.7.0/24 203.24.0.0/21
whois: 402603
IANA has recorded AS9426 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9426\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 'AS9426'
% Abuse contact for 'AS9426' is 'abuse@optusnet.com.au'
aut-num: AS9426
as-name: WESTPAC-AS-AP
descr: Westpac Bank
descr: Retail Bank in Australia
country: AU
import: from AS1221 action pref=100; accept ANY
import: from AS7474 action pref=10; accept ANY
export: to AS1221 announce AS9426
export: to AS7474 announce AS9426
default: to AS1221 action pref=100; networks ANY
default: to AS7474 action pref=10; networks ANY
remarks: hostmaster@apnic.net 981015
org: ORG-SOPL2-AP
admin-c: BJ6-AP
tech-c: GT14-AP
abuse-c: AO399-AP
mnt-lower: MAINT-OPTUSCOM-AP
mnt-routes: MAINT-OPTUSCOM-AP
mnt-by: APNIC-HM
mnt-irt: IRT-OPTUSCOM-AU
last-modified: 2021-01-15T01:45:02Z
source: APNIC
irt: IRT-OPTUSCOM-AU
address: SingTel Optus Pty Ltd
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road
address: Macquarie Park NSW 2113
e-mail: abuse@optusnet.com.au
abuse-mailbox: abuse@optusnet.com.au
admin-c: OA3-AP
tech-c: OA3-AP
auth: # Filtered
remarks: abuse@optusnet.com.au was validated on 2025-12-23
mnt-by: MAINT-OPTUSCOM-AP
last-modified: 2026-02-16T00:08:15Z
source: APNIC
organisation: ORG-SOPL2-AP
org-name: SingTel Optus Pty Ltd
org-type: LIR
country: AU
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road, Macquarie Park
phone: +61-2-8082-7800
fax-no: +61-2-8082-7100
e-mail: irr-admin@optus.com.au
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-09-25T13:05:45Z
source: APNIC
role: ABUSE OPTUSCOMAU
country: ZZ
address: SingTel Optus Pty Ltd
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road
address: Macquarie Park NSW 2113
phone: +000000000
e-mail: abuse@optusnet.com.au
admin-c: OA3-AP
tech-c: OA3-AP
nic-hdl: AO399-AP
remarks: Generated from irt object IRT-OPTUSCOM-AU
remarks: abuse@optusnet.com.au was validated on 2025-12-23
abuse-mailbox: abuse@optusnet.com.au
mnt-by: APNIC-ABUSE
last-modified: 2025-12-23T22:44:48Z
source: APNIC
person: Bruce Johnson
address: Westpac Bank Corporation
country: AU
phone: +61 2 99025707
fax-no: +61 2 99025111
e-mail: bjohnson@westpac.com.au
nic-hdl: BJ6-AP
mnt-by: MAINT-OPTUSCOM-AP
last-modified: 2008-09-04T07:29:14Z
source: APNIC
person: Geoff Turville
address: Westpac Banking Corporation
country: AU
phone: +61 2 99025645
fax-no: +61 2 99025111
e-mail: gturville@westpac.com.au
nic-hdl: GT14-AP
mnt-by: MAINT-OPTUSCOM-AP
last-modified: 2008-09-04T07:29:14Z
source: APNIC
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