133748 CORETELNET-AS-AP - CORETEL NETWORKS (INTERNATIONAL) PTE LTD, SG
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS9002 RETN-AS - RETN Limited, GB
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Ltd., HK
AS24482 SGGS-AS-AP - SG.GS, SG
AS21859 ZEN-ECN - Zenlayer Inc, US
AS132829 NCPL-AS-AP - Nevigate Communications (S) Pte Ltd, SG
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 15190 AS133748 ORIGIN Originate: 5120 /19.68 Transit: 0 /0.00 CORETELNET-AS-AP - CORETEL NETWORKS (INTERNATIONAL) PTE LTD, SG
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 % 24743 AS133748 CORETELNET-AS-AP - CORETEL NETWORKS (INTERNAT 20 2 1 19 1 5.00% Prefix AS Path Aggregation Suggestion 43.249.248.0/24 4777 2516 3491 133748 43.249.249.0/24 4608 7575 3491 133748 43.249.250.0/24 4608 7575 3491 133748 43.249.251.0/24 4777 6939 4775 132829 133748 103.41.128.0/24 4608 7575 3491 133748 103.41.130.0/23 4608 7575 3491 133748 + Announce - aggregate of 103.41.130.0/24 (4608 7575 3491 133748) and 103.41.131.0/24 (4608 7575 3491 133748) 103.41.130.0/24 4608 7575 3491 133748 - Withdrawn - aggregated with 103.41.131.0/24 (4608 7575 3491 133748) 103.41.131.0/24 4608 7575 3491 133748 - Withdrawn - aggregated with 103.41.130.0/24 (4608 7575 3491 133748) 156.225.48.0/24 4608 7575 3491 133748 206.131.193.0/24 4777 2516 6453 24482 133748 206.131.195.0/24 4777 2516 3491 133748 206.131.196.0/24 4777 2516 3356 9002 133748 206.131.197.0/24 4777 38082 21859 133748 206.131.198.0/24 4608 1221 4637 9002 133748 206.131.199.0/24 4608 7575 3491 133748 206.131.202.0/24 4608 7575 3491 133748 206.131.203.0/24 4608 1221 4637 9002 133748 206.131.204.0/24 4608 1221 4637 9002 133748 206.131.205.0/24 4608 7575 3491 133748 206.131.206.0/24 4777 6939 4775 132829 133748 206.131.207.0/24 4777 2516 6453 24482 133748
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS133748 20 More Specifics 20 Total Advertisements CORETELNET-AS-AP - CORETEL NETWORKS (INTERNATIONAL) PTE LTD, SG
43.249.248.0/24 43.249.248.0/22
43.249.249.0/24 43.249.248.0/22
43.249.250.0/24 43.249.248.0/22
43.249.251.0/24 43.249.248.0/22
103.41.128.0/24 103.41.128.0/22
103.41.130.0/24 103.41.128.0/22
103.41.131.0/24 103.41.128.0/22
156.225.48.0/24 156.224.0.0/11
206.131.193.0/24 206.131.192.0/20
206.131.195.0/24 206.131.192.0/20
206.131.196.0/24 206.131.192.0/20
206.131.197.0/24 206.131.192.0/20
206.131.198.0/24 206.131.192.0/20
206.131.199.0/24 206.131.192.0/20
206.131.202.0/24 206.131.192.0/20
206.131.203.0/24 206.131.192.0/20
206.131.204.0/24 206.131.192.0/20
206.131.205.0/24 206.131.192.0/20
206.131.206.0/24 206.131.192.0/20
206.131.207.0/24 206.131.192.0/20
whois: 402613
IANA has recorded AS133748 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS133748\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS133632 - AS134556'
as-block: AS133632 - AS134556
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: 2014-09-03T01:31:49Z
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 'AS133748'
% Abuse contact for 'AS133748' is 'ABUSE@CORETELNET.COM'
aut-num: AS133748
as-name: CORETELNET-AS-AP
descr: CORETEL NETWORKS (INTERNATIONAL) PTE LTD
country: SG
org: ORG-CNPL1-AP
admin-c: CI101-AP
tech-c: CI101-AP
abuse-c: AC1686-AP
notify: HUGO@CORETELNET.COM
mnt-lower: MAINT-CORETELNET-SG
mnt-routes: MAINT-CORETELNET-SG
mnt-by: APNIC-HM
mnt-irt: IRT-CORETELNET-SG
last-modified: 2020-07-07T04:55:57Z
source: APNIC
irt: IRT-CORETELNET-SG
address: 60 Paya Lebar Road
e-mail: ABUSE@CORETELNET.COM
abuse-mailbox: ABUSE@CORETELNET.COM
admin-c: CI101-AP
tech-c: CI101-AP
auth: # Filtered
remarks: abuse@coretelnet.com
remarks: abuse@coretelnet.com was validated on 2026-03-10
mnt-by: MAINT-CORETELNET-SG
last-modified: 2026-03-10T13:12:02Z
source: APNIC
organisation: ORG-CNPL1-AP
org-name: Coretel Networks (International) Pte Ltd
org-type: LIR
country: SG
address: 60 Paya Lebar Road # 11-05
address: Paya Lebar Square
phone: +65-6887-4261
fax-no: +65-6887-4376
e-mail: noc@coretelnet.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:16:27Z
source: APNIC
role: ABUSE CORETELNETSG
country: ZZ
address: 60 Paya Lebar Road
phone: +000000000
e-mail: ABUSE@CORETELNET.COM
admin-c: CI101-AP
tech-c: CI101-AP
nic-hdl: AC1686-AP
remarks: Generated from irt object IRT-CORETELNET-SG
remarks: abuse@coretelnet.com was validated on 2026-03-10
abuse-mailbox: ABUSE@CORETELNET.COM
mnt-by: APNIC-ABUSE
last-modified: 2026-03-10T13:12:25Z
source: APNIC
person: CORETELNET IPNOC
address: 6 TEMASEK BOULEVARD #42-03 SUNTEC TOWER 4 SINGAPORE 038986
country: SG
phone: +65-68874261
e-mail: NOC@CORETELNET.COM
nic-hdl: CI101-AP
mnt-by: MAINT-CORETELNET-SG
last-modified: 2015-07-09T08:20:25Z
source: APNIC
% Information related to 'AS133632 - AS134556'
as-block: AS133632 - AS134556
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-16T13:21:12Z
source: IDNIC
role: ID-NIC ADMINISTRATORS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
admin-c: IH288-AP
tech-c: IH288-AP
nic-hdl: IA55-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2026-02-25T04:06:45Z
source: IDNIC
role: ID-NIC HOSTMASTERS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
remarks: spam and abuse report : abuse@apjii.or.id
remarks: technical and routing : support@apjii.or.id
remarks: administrative request : admin@apjii.or.id
remarks: IDNIC hostmasters role object
admin-c: IH1-AP
tech-c: IH1-AP
nic-hdl: IH123-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2024-07-10T05:48:59Z
source: IDNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)