38566 NTTCT-AS-TH-AP NTTCTNET, TH
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS4651 NTPCL-AS-AP National Telecom Public Company Limited, TH
AS2914 NTT-DATA-2914 - NTT America, Inc., US
AS132876 SYMPHONY-AP-TH Symphony Communication Thailand PCL., TH
Downstream Adjacent AS list
AS17978 SERVCORP SERVCORP AUSTRALIAN HOLDINGS LTD, AU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8503 AS38566 ORG+TRN Originate: 14336 /18.19 Transit: 768 /22.42 NTTCT-AS-TH-AP NTTCTNET, TH
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 % 22738 AS38566 NTTCT-AS-TH-AP NTTCTNET, TH 10 1 0 9 1 10.00% Prefix AS Path Aggregation Suggestion 45.116.216.0/22 4777 4713 2914 38566 103.66.128.0/22 4777 4713 2914 38566 103.108.49.0/24 4777 4713 2914 38566 103.130.180.0/23 4777 4713 2914 38566 103.233.200.0/22 4777 4713 2914 38566 103.233.202.0/24 4777 4713 2914 38566 - Withdrawn - matching aggregate 103.233.200.0/22 4777 4713 2914 38566 103.246.24.0/22 4777 4713 2914 38566 116.68.144.0/20 4777 4713 2914 38566 180.222.144.0/20 4777 4713 2914 38566 203.78.204.0/22 4777 4713 2914 38566
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38566 2 More Specifics 10 Total Advertisements NTTCT-AS-TH-AP NTTCTNET, TH
103.233.202.0/24 103.233.200.0/22
203.78.204.0/22 203.78.192.0/20
180.222.144.0/24 180.222.144.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 180.222.144.0/24 Withdrawn
whois: 402332
IANA has recorded AS38566 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38566\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS37888 - AS38911'
as-block: AS37888 - AS38911
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: 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 'AS38566'
% Abuse contact for 'AS38566' is 'nttapac.th.abuse@global.ntt'
aut-num: AS38566
as-name: NTTCT-AS-TH-AP
descr: NTTCTNET
country: TH
import: from AS2914 action pref=90; accept ANY
import: from AS4651 action pref=90; accept ANY
import: from AS4652 action pref=100; accept ANY
import: from AS38082 action pref=90; accept ANY
import: from AS38081 action pref=100; accept ANY
export: to AS2914 announce AS38566
export: to AS4651 announce AS38566
export: to AS4652 announce AS38566
export: to AS38082 announce AS38566
export: to AS38081 announce AS38566
remarks: contacts per RFC2142:
remarks: Abuse / UCE reports abuse@ntt.co.th
remarks: Security issues security@ntt.co.th
org: ORG-NCC1-AP
admin-c: NTT10-AP
tech-c: NTT10-AP
abuse-c: AN727-AP
notify: bbq-wg@ntt.co.th
mnt-lower: MAINT-AS-NTTCT
mnt-routes: MAINT-AS-NTTCT
mnt-by: APNIC-HM
mnt-irt: IRT-NTTCT-TH
last-modified: 2020-06-10T04:40:02Z
source: APNIC
irt: IRT-NTTCT-TH
address: NTT Communications (Thailand) Co.,Ltd
address: 199 Column Tower, Rachadapisek Rd., Klongtoey
e-mail: nttapac.th.isp-op@global.ntt
abuse-mailbox: nttapac.th.abuse@global.ntt
admin-c: NTT10-AP
tech-c: NTT10-AP
auth: # Filtered
remarks: nttapac.th.abuse@global.ntt
remarks: nttapac.th.isp-op@global.ntt was validated on 2025-11-13
remarks: nttapac.th.abuse@global.ntt was validated on 2025-11-13
mnt-by: MAINT-AS-NTTCT
last-modified: 2025-11-17T23:08:35Z
source: APNIC
organisation: ORG-NCC1-AP
org-name: NTT (Thailand) Limited
org-type: LIR
country: TH
address: 17th Floor, 199 Ratchadapisek Road, Klongtoey,
address: Klongtoey, Bangkok 10110
phone: +66-2-236-7227
fax-no: +66-2-236-6395
e-mail: uthai.sangthongpraow@global.ntt
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:15Z
source: APNIC
role: ABUSE NTTCTTH
country: ZZ
address: NTT Communications (Thailand) Co.,Ltd
address: 199 Column Tower, Rachadapisek Rd., Klongtoey
phone: +000000000
e-mail: nttapac.th.isp-op@global.ntt
admin-c: NTT10-AP
tech-c: NTT10-AP
nic-hdl: AN727-AP
remarks: Generated from irt object IRT-NTTCT-TH
remarks: nttapac.th.isp-op@global.ntt was validated on 2025-11-13
remarks: nttapac.th.abuse@global.ntt was validated on 2025-11-13
abuse-mailbox: nttapac.th.abuse@global.ntt
mnt-by: APNIC-ABUSE
last-modified: 2025-11-13T03:10:05Z
source: APNIC
role: NTT Communications Thailand NOC
address: 199 Column Tower.,
address: Ratchadapisek Road, Klongtoey
address: Bangkok 10110
country: TH
phone: +66-2-2367227
e-mail: nttapac.th.isp-op@global.ntt
admin-c: US19-AP
tech-c: US19-AP
tech-c: PP1152-AP
nic-hdl: NTT10-AP
notify: nttapac.th.isp-op@global.ntt
mnt-by: MAINT-AS-NTTCT
last-modified: 2023-06-01T04:01:35Z
source: APNIC
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