
18221 TSN-AP TSN Internet.com.au
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS38220 SIS-GROUP-SYD-AS-AP SIS Group Datacentre Sydney
AS18104 WCG-AS-AP Wholesale Communications Group
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4279 AS18221 ORIGIN Originate: 24576 /17.42 Transit: 0 /0.00 TSN-AP TSN Internet.com.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 % 492 AS18221 TSN-AP TSN Internet.com.au 33 31 2 4 29 87.88% Prefix AS Path Aggregation Suggestion 202.22.160.0/21 4637 6453 18104 18221 202.22.160.0/22 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.160.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.162.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.164.0/22 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.164.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.166.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.22.160.0/21 4637 6453 18104 18221 202.22.168.0/23 4637 6453 18104 18221 202.43.224.0/20 4637 6453 18104 18221 + Announce - aggregate of 202.43.224.0/21 (4637 6453 18104 18221) and 202.43.232.0/21 (4637 6453 18104 18221) 202.43.224.0/22 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.228.0/22 (4637 6453 18104 18221) 202.43.224.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.43.224.0/22 4637 6453 18104 18221 202.43.226.0/23 4637 6453 18104 18221 - Withdrawn - matching aggregate 202.43.224.0/22 4637 6453 18104 18221 202.43.228.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.230.0/23 (4637 6453 18104 18221) 202.43.230.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.228.0/23 (4637 6453 18104 18221) 202.43.232.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.234.0/23 (4637 6453 18104 18221) 202.43.234.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.232.0/23 (4637 6453 18104 18221) 202.43.236.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.238.0/23 (4637 6453 18104 18221) 202.43.238.0/23 4637 6453 18104 18221 - Withdrawn - aggregated with 202.43.236.0/23 (4637 6453 18104 18221) 210.14.96.0/20 4637 1221 703 38220 18221 + Announce - aggregate of 210.14.96.0/21 (4637 1221 703 38220 18221) and 210.14.104.0/21 (4637 1221 703 38220 18221) 210.14.96.0/21 4637 1221 703 38220 18221 - Withdrawn - aggregated with 210.14.104.0/21 (4637 1221 703 38220 18221) 210.14.96.0/22 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.96.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.98.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.100.0/22 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.100.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.102.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.96.0/21 4637 1221 703 38220 18221 210.14.104.0/21 4637 1221 703 38220 18221 - Withdrawn - aggregated with 210.14.96.0/21 (4637 1221 703 38220 18221) 210.14.104.0/22 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.104.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.106.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.108.0/22 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.108.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.110.0/23 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.110.0/24 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221 210.14.111.0/24 4637 1221 703 38220 18221 - Withdrawn - matching aggregate 210.14.104.0/21 4637 1221 703 38220 18221
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18221 22 More Specifics 22 Total Advertisements TSN-AP TSN Internet.com.au
202.22.160.0/23 202.22.160.0/22
202.22.162.0/23 202.22.160.0/22
202.22.164.0/23 202.22.164.0/22
202.22.166.0/23 202.22.164.0/22
202.22.168.0/23 202.22.168.0/21
202.43.224.0/23 202.43.224.0/22
202.43.226.0/23 202.43.224.0/22
202.43.228.0/23 202.43.228.0/22
202.43.230.0/23 202.43.228.0/22
202.43.232.0/23 202.43.232.0/21
202.43.234.0/23 202.43.232.0/21
202.43.236.0/23 202.43.232.0/21
202.43.238.0/23 202.43.232.0/21
210.14.96.0/23 210.14.96.0/20
210.14.98.0/23 210.14.96.0/20
210.14.100.0/23 210.14.96.0/20
210.14.102.0/23 210.14.96.0/20
210.14.104.0/23 210.14.96.0/20
210.14.106.0/23 210.14.96.0/20
210.14.108.0/23 210.14.96.0/20
210.14.110.0/24 210.14.96.0/20
210.14.111.0/24 210.14.96.0/20
whois: 402603
IANA has recorded AS18221 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18221\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
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: 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 'AS18221'
% Abuse contact for 'AS18221' is 'ens-ops-data-l3-asia@morganstanley.com'
aut-num: AS18221
as-name: MS-IN-AS-AP
descr: Morgan Stanley Management Service (Singapore) Pte. Ltd
country: SG
org: ORG-MSAL1-AP
admin-c: MSMS8-AP
tech-c: MSMS8-AP
mnt-lower: MAINT-MSDW-NON-SG
mnt-routes: MAINT-MSDW-NON-SG
mnt-by: APNIC-HM
mnt-irt: IRT-MSDW-NON-SG
abuse-c: AM4143-AP
last-modified: 2025-07-01T07:52:24Z
source: APNIC
irt: IRT-MSDW-NON-SG
address: 2 Central Boulevard,
e-mail: ens-ops-data-l3-asia@morganstanley.com
abuse-mailbox: ens-ops-data-l3-asia@morganstanley.com
admin-c: MSMS8-AP
tech-c: MSMS8-AP
auth: # Filtered
remarks: ens-ops-data-l3-asia@morganstanley.com was validated on 2026-04-23
mnt-by: MAINT-MSDW-NON-SG
last-modified: 2026-04-23T02:46:26Z
source: APNIC
organisation: ORG-MSAL1-AP
org-name: Morgan Stanley Management Service (Singapore) Pte. Ltd
org-type: LIR
country: SG
address: 2 Central Boulevard, # 22-01 West Tower, IOI Central Boulevar
phone: +852-2848-5200
fax-no: +852-3407-5040
e-mail: apac_ckts_requests@morganstanley.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-07-01T13:15:28Z
source: APNIC
role: ABUSE MSDWNONSG
country: ZZ
address: 2 Central Boulevard,
phone: +000000000
e-mail: ens-ops-data-l3-asia@morganstanley.com
admin-c: MSMS8-AP
tech-c: MSMS8-AP
nic-hdl: AM4143-AP
remarks: Generated from irt object IRT-MSDW-NON-SG
remarks: ens-ops-data-l3-asia@morganstanley.com was validated on 2026-04-23
abuse-mailbox: ens-ops-data-l3-asia@morganstanley.com
mnt-by: APNIC-ABUSE
last-modified: 2026-04-23T02:46:48Z
source: APNIC
person: Morgan Stanley Management Service Singapore Pte Ltd Administrator
address: 2 Central Boulevard, # 22-01 West Tower, IOI Central Boulevard Towers, Singapore 018916
country: SG
phone: +852 3150-3611
e-mail: ens-ops-data-l3-asia@morganstanley.com
nic-hdl: MSMS8-AP
mnt-by: MAINT-MSDW-NON-SG
last-modified: 2025-07-01T07:51:20Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)