
10138 IVANET-SYD-AP iBasis-Sydney ICO
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS4637 REACH Reach Network Border AS
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13896 AS10138 ORIGIN Originate: 1280 /21.68 Transit: 0 /0.00 IVANET-SYD-AP iBasis-Sydney ICO
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 % 8691 AS10138 IVANET-SYD-AP iBasis-Sydney ICO 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 202.63.3.0/24 4637 10138 202.63.4.0/22 4637 10138
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS10138 2 More Specifics 2 Total Advertisements IVANET-SYD-AP iBasis-Sydney ICO
202.63.3.0/24 202.63.0.0/19
202.63.4.0/22 202.63.0.0/19
whois: 402603
IANA has recorded AS10138 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS10138\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 'AS10138'
% Abuse contact for 'AS10138' is 'netarch@ibasis.net'
aut-num: AS10138
as-name: IVANET-SYD-AP
descr: iBasis-Sydney ICO
country: HK
org: ORG-IKL1-AP
admin-c: TJ818-AP
tech-c: INE1-AP
abuse-c: AI692-AP
notify: neteng@ibasis.net
mnt-lower: MAINT-AP-IVANET
mnt-routes: MAINT-AP-IVANET
mnt-by: APNIC-HM
mnt-irt: IRT-IBASIS-HK
last-modified: 2026-04-30T13:47:02Z
source: APNIC
irt: IRT-IBASIS-HK
address: USA
e-mail: netarch@ibasis.net
abuse-mailbox: netarch@ibasis.net
admin-c: INE1-AP
tech-c: INE1-AP
auth: # Filtered
remarks: netarch@ibasis.net was validated on 2026-04-30
mnt-by: MAINT-AP-IVANET
last-modified: 2026-04-30T13:45:14Z
source: APNIC
organisation: ORG-IKL1-AP
org-name: iBasis (Hong Kong) Ltd
org-type: LIR
country: HK
address: Unit 605 - 6, Low Block
address: Grand Millennium Plaza
address: 181 Queens Road
phone: +61-852-2278-5000
fax-no: +61-852-2145-4369
e-mail: NetworkEngineering@ibasis.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:43Z
source: APNIC
role: ABUSE IBASISHK
country: ZZ
address: USA
phone: +000000000
e-mail: netarch@ibasis.net
admin-c: INE1-AP
tech-c: INE1-AP
nic-hdl: AI692-AP
remarks: Generated from irt object IRT-IBASIS-HK
remarks: netarch@ibasis.net was validated on 2026-04-30
abuse-mailbox: netarch@ibasis.net
mnt-by: APNIC-ABUSE
last-modified: 2026-04-30T13:45:43Z
source: APNIC
person: iBasis Network Engineering
address: 20 Second Ave
address: Burlington, MA 01803
address: USA
country: HK
phone: +1-781-505-7500
e-mail: netarch@ibasis.net
nic-hdl: INE1-AP
mnt-by: MAINT-AP-IVANET
last-modified: 2014-10-21T17:58:24Z
source: APNIC
person: Tomasz Jankowski
address: 10 Maguire Road Building 3
address: Lexington, MA 02421
address: USA
country: HK
phone: +1 781 430 7500
e-mail: tjankowski@ibasis.net
nic-hdl: TJ818-AP
mnt-by: MAINT-AP-IVANET
last-modified: 2019-03-08T20:30:38Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)