23855 SINGAREN-GIX-AS-AP Singapore Advanced Research and Education Network, SG
Adjacency: 16 Upstream: 6 Downstream: 10
Upstream Adjacent AS list
AS4637 ASN-TELSTRA-GLOBAL Telstra Global, HK
AS136968 SINGAREN-GIX-AS-AP SingAREN, SG
AS24490 TEIN2-SG-AP Trans-Eurasia Information Network TEIN2 - SG, CN
AS4777 APNIC-COLO Asia Pacific Network Information Centre, JP
AS134148 SINGAREN-GIX-AS-AP-2 SingAREN, SG
AS7660 APAN-JP Asia Pacific Advanced Network - Japan, JP
Downstream Adjacent AS list
AS132398 SCEI-AS-AP Science and Engineering Institutes, SG
AS134148 SINGAREN-GIX-AS-AP-2 SingAREN, SG
AS23864 SINGAREN-GIX-IHPC-AS-AP Singapre Advance Research and Education Network - National Grid Office - IHPC, SG
AS7660 APAN-JP Asia Pacific Advanced Network - Japan, JP
AS38229 LEARN-LK Lanka Education & Research Network, NREN, LK
AS24490 TEIN2-SG-AP Trans-Eurasia Information Network TEIN2 - SG, CN
AS9419 NTU-AS-AP Nanyang Technological University, SG
AS23767 A-STAR-AS-AP A-STAR, SG
AS206350 OMREN, OM
AS9885 NKN-INTERNET-GW NKN INTERNET GATEWAY NETWORK, IN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 48760 AS23855 ORG+TRN Originate: 512 /23.00 Transit: 142848 /14.88 SINGAREN-GIX-AS-AP Singapore Advanced Research and Education Network, 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 % 21804 AS23855 SINGAREN-GIX-AS-AP Singapore Advanced Researc 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 203.30.38.0/23 4777 23855 + Announce - aggregate of 203.30.38.0/24 (4777 23855) and 203.30.39.0/24 (4777 23855) 203.30.38.0/24 4777 23855 - Withdrawn - aggregated with 203.30.39.0/24 (4777 23855) 203.30.39.0/24 4777 23855 - Withdrawn - aggregated with 203.30.38.0/24 (4777 23855)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23855 2 More Specifics 2 Total Advertisements SINGAREN-GIX-AS-AP Singapore Advanced Research and Education Network, SG
203.30.38.0/24 203.30.38.0/23
203.30.39.0/24 203.30.38.0/23
whois: 402332
IANA has recorded AS23855 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23855\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
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 'AS23854 - AS23944'
as-block: AS23854 - AS23944
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: 2008-09-04T06:40:26Z
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 'AS23855'
% Abuse contact for 'AS23855' is 'networkadmin@singaren.net.sg'
aut-num: AS23855
as-name: SINGAREN-GIX-AS-AP
descr: Singapore Advanced Research and Education Network
descr: GigaPoPExchange
country: SG
import: from AS10026 action pref=100; accept ANY
import: from AS4657 action pref=100; accept ANY
import: from AS9419 action pref=1; accept ANY
export: to AS9419 announce AS23855
export: to AS10026 announce AS23855
export: to AS4657 announce AS23855
org: ORG-SA8-AP
admin-c: SPG12-AP
tech-c: SPG12-AP
abuse-c: AS2199-AP
notify: simonpetergreen@singaren.net.sg
mnt-lower: MAINT-SINGAREN-OPEN-EXCHANGE
mnt-routes: MAINT-SINGAREN-OPEN-EXCHANGE
mnt-by: APNIC-HM
mnt-irt: IRT-SINGAREN-GIX-SG
last-modified: 2024-04-24T09:32:55Z
source: APNIC
irt: IRT-SINGAREN-GIX-SG
address: SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address: 1 Fusionopolis Way
address:
address: Singapore 138632
e-mail: networkadmin@singaren.net.sg
abuse-mailbox: networkadmin@singaren.net.sg
admin-c: SPG12-AP
tech-c: SPG12-AP
auth: # Filtered
remarks: networkadmin@singaren.net.sg was validated on 2026-02-25
mnt-by: MAINT-SINGAREN-OPEN-EXCHANGE
last-modified: 2026-02-25T02:25:06Z
source: APNIC
organisation: ORG-SA8-AP
org-name: SingAREN
org-type: LIR
country: SG
address: Singapore Advanced Research and Education Network (SingAREN)
address: c/o A*STAR Computational Resource Centre (A*CRC)
address: 1 Fusionopolis Way
address: # 17-01 Connexis South
phone: +65-67905218
e-mail: admin@singaren.net.sg
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:04Z
source: APNIC
role: ABUSE SINGARENGIXSG
country: ZZ
address: SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address: 1 Fusionopolis Way
address:
address: Singapore 138632
phone: +000000000
e-mail: networkadmin@singaren.net.sg
admin-c: SPG12-AP
tech-c: SPG12-AP
nic-hdl: AS2199-AP
remarks: Generated from irt object IRT-SINGAREN-GIX-SG
remarks: networkadmin@singaren.net.sg was validated on 2026-02-25
abuse-mailbox: networkadmin@singaren.net.sg
mnt-by: APNIC-ABUSE
last-modified: 2026-02-25T02:25:32Z
source: APNIC
person: Simon Peter Green
address: Singapore Advanced Research and Education Network (SingAREN)
address: c/o A*STAR Computational Resource Centre (A*CRC)
address: 1 Fusionopolis Way
address: #17-01 Connexis South
address: Singapore 138632
country: SG
phone: +65 9653 0930
e-mail: simonpetergreen@singaren.net.sg
nic-hdl: SPG12-AP
mnt-by: MAINT-SINGAREN-OPEN-EXCHANGE
remarks: Manager (Network & Services)
last-modified: 2024-04-24T12:44:21Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)