4647 CENTRANETWORKS-AU Centra Networks, AU
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS132808 AISPLTIT-AS-AP IP Telco, AU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 18935 AS4647 ORIGIN Originate: 3328 /20.30 Transit: 0 /0.00 CENTRANETWORKS-AU Centra Networks, 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 % 6907 AS4647 CENTRANETWORKS-AU Centra Networks, AU 8 6 0 2 6 75.00% Prefix AS Path Aggregation Suggestion 103.246.28.0/22 4608 132808 4647 103.246.28.0/23 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 103.246.28.0/24 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 103.246.29.0/24 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 103.246.30.0/23 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 103.246.30.0/24 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 103.246.31.0/24 4608 132808 4647 - Withdrawn - matching aggregate 103.246.28.0/22 4608 132808 4647 203.30.140.0/24 4608 132808 4647
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4647 6 More Specifics 8 Total Advertisements CENTRANETWORKS-AU Centra Networks, AU
103.246.28.0/23 103.246.28.0/22
103.246.28.0/24 103.246.28.0/22
103.246.29.0/24 103.246.28.0/22
103.246.30.0/23 103.246.28.0/22
103.246.30.0/24 103.246.28.0/22
103.246.31.0/24 103.246.28.0/22
whois: 402332
IANA has recorded AS4647 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4647\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4608 - AS4865'
as-block: AS4608 - AS4865
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: 2019-05-20T03:52:26Z
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 'AS4647'
% Abuse contact for 'AS4647' is 'abuse@centra.com.au'
aut-num: AS4647
as-name: CENTRANETWORKS-AU
descr: Centra Networks
country: AU
org: ORG-CN1-AP
admin-c: CNNA2-AP
tech-c: CNNA2-AP
abuse-c: AC2056-AP
mnt-lower: MAINT-CENTRANETWORKS-AU
mnt-routes: MAINT-CENTRANETWORKS-AU
mnt-by: APNIC-HM
mnt-irt: IRT-CENTRANETWORKS-AU
last-modified: 2022-06-22T04:41:05Z
source: APNIC
irt: IRT-CENTRANETWORKS-AU
address: 1/200 Barry Pde Fortitude Valley QLD 4006
e-mail: noc@centra.com.au
abuse-mailbox: abuse@centra.com.au
admin-c: CNNA2-AP
tech-c: CNNA2-AP
auth: # Filtered
remarks: noc@centra.com.au was validated on 2025-11-12
remarks: abuse@centra.com.au was validated on 2025-12-24
mnt-by: MAINT-CENTRANETWORKS-AU
last-modified: 2026-04-27T09:28:58Z
source: APNIC
organisation: ORG-CN1-AP
org-name: Centra Networks
org-type: LIR
country: AU
address: 1/200 Barry Parade
phone: +61-7-36202100
e-mail: support@centra.com.au
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:51Z
source: APNIC
role: ABUSE CENTRANETWORKSAU
country: ZZ
address: 1/200 Barry Pde Fortitude Valley QLD 4006
phone: +000000000
e-mail: noc@centra.com.au
admin-c: CNNA2-AP
tech-c: CNNA2-AP
nic-hdl: AC2056-AP
remarks: Generated from irt object IRT-CENTRANETWORKS-AU
remarks: noc@centra.com.au was validated on 2025-11-12
remarks: abuse@centra.com.au was validated on 2025-12-24
abuse-mailbox: abuse@centra.com.au
mnt-by: APNIC-ABUSE
last-modified: 2025-12-24T01:50:39Z
source: APNIC
role: CENTRA NETWORKS - Network Administrator
address: 1/200 Barry Pde, Fortitude Valley QLD 4006
country: AU
phone: +61 7 3620 2100
e-mail: support@centra.com.au
admin-c: CNNA2-AP
tech-c: CNNA2-AP
nic-hdl: CNNA2-AP
mnt-by: MAINT-CENTRANETWORKS-AU
last-modified: 2019-01-07T00:56:10Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)