4651 THAI-GATEWAY The Communications Authority of Thailand(CAT)
Adjacency: 19 Upstream: 2 Downstream: 17
Upstream Adjacent AS list
AS4637 REACH Reach Network Border AS
AS9304 HUTCHISON-AS-AP Hutchison Global Communications
Downstream Adjacent AS list
AS24187 KIRZ-AS-TH KIRZ AS ISP Bangkok Thailand
AS24491 WORLDWEB-THAILAND-AS-AP Internet Service Provider Thailand
AS4621 UNSPECIFIED UNINET-TH
AS4618 INET-TH-AS Internet Thailand Company Limited
AS24326 TTT-AS-AP TT&T Public Company Limited, Service Provider,Bangkok
AS4741 SAMART-BOARDER-AS Samart Corporation Co., Ltd.
AS4776 ANET-TH-AP A-Net Co., Ltd.
AS4765 WORLDNET-AS World Net & Services Co., Ltd.
AS4750 LOXLEY-TH Loxley Information Co., Ltd.
AS17565 ADC-BUDDYB-AS Advance Datanetwork Communications Co.,Ltd. BuddyB service. Bangkok
AS7636 FAREAST-AS-AP Far East Internet Co., Ltd.
AS7654 SIAMGLOBE-AS-AP Internet Service Provider Co., Ltd.
AS7616 JINET-BKK-AS-AP Jasmine Internet Co, Ltd.
AS9737 TOTNET-TH-AS-AP Telephone Organization of Thailand
AS9931 CAT-AP The Communication Authoity of Thailand, CAT
AS7693 COMNET-TH KSC Commercial Internet Co. Ltd.
AS7470 ASIAINFO-AS-AP ASIA INFONET Co.,Ltd.
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8155 AS4651 ORG+TRN Originate: 6656 /19.30 Transit: 3649024 /10.20 THAI-GATEWAY The Communications Authority of Thailand(CAT)
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 % 7187 AS4651 THAI-GATEWAY The Communications Authorit 8 0 0 8 0 0.00% Prefix AS Path Aggregation Suggestion 61.19.0.0/20 4637 4651 61.19.8.0/24 4637 9304 4651 61.19.10.0/23 4637 9304 4651 61.19.13.0/24 4637 9304 4651 202.47.251.0/24 4637 4651 202.47.252.0/23 4637 4651 202.47.254.0/24 4637 4651 202.129.60.0/23 4637 4651
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4651 5 More Specifics 5 Total Advertisements THAI-GATEWAY The Communications Authority of Thailand(CAT)
61.19.0.0/20 61.19.0.0/18
202.47.251.0/24 202.47.248.0/21
202.47.252.0/23 202.47.248.0/21
202.47.254.0/24 202.47.248.0/21
202.129.60.0/23 202.129.32.0/19
61.19.8.0/24 61.19.0.0/18
61.19.10.0/23 61.19.0.0/18
61.19.13.0/24 61.19.0.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 61.19.8.0/24 Withdrawn
- 61.19.10.0/23 Withdrawn
- 61.19.13.0/24 Withdrawn
whois: 402603
IANA has recorded AS4651 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4651\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4608 - AS4865'
as-block: AS4608 - AS4865
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: 2019-05-20T03:52:26Z
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 'AS4651'
% Abuse contact for 'AS4651' is 'pitoon.p@ntplc.co.th'
aut-num: AS4651
as-name: NTPCL-AS-AP
descr: National Telecom Public Company Limited
country: TH
org: ORG-NTPC1-AP
admin-c: NTPC2-AP
tech-c: NTPC2-AP
mnt-by: APNIC-HM
mnt-irt: IRT-NTPCL-TH
mnt-routes: MAINT-NTPCL-TH
mnt-lower: MAINT-NTPCL-TH
abuse-c: AN3307-AP
last-modified: 2025-11-20T00:05:00Z
source: APNIC
irt: IRT-NTPCL-TH
address: 99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
e-mail: pitoon.p@ntplc.co.th
abuse-mailbox: pitoon.p@ntplc.co.th
admin-c: NTPC2-AP
tech-c: NTPC2-AP
auth: # Filtered
remarks: pitoon.p@ntplc.co.th was validated on 2026-05-05
mnt-by: MAINT-NTPCL-TH
last-modified: 2026-05-05T14:34:46Z
source: APNIC
organisation: ORG-NTPC1-AP
org-name: National Telecom Public Company Limited
org-type: LIR
country: TH
address: 99 Chaengwattana Road
address: Thung Song Hong Subdistrict
address: Luk Si
phone: +662-104-4300
e-mail: pitoon.p@ntplc.co.th
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-10-12T13:37:15Z
source: APNIC
role: ABUSE NTPCLTH
country: ZZ
address: 99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
phone: +000000000
e-mail: pitoon.p@ntplc.co.th
admin-c: NTPC2-AP
tech-c: NTPC2-AP
nic-hdl: AN3307-AP
remarks: Generated from irt object IRT-NTPCL-TH
remarks: pitoon.p@ntplc.co.th was validated on 2026-05-05
abuse-mailbox: pitoon.p@ntplc.co.th
mnt-by: APNIC-ABUSE
last-modified: 2026-05-05T14:35:00Z
source: APNIC
role: National Telecom Public Company Limited administrator
address: 99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
country: TH
phone: +662-104-4300
e-mail: pitoon.p@ntplc.co.th
admin-c: NTPC2-AP
tech-c: NTPC2-AP
nic-hdl: NTPC2-AP
mnt-by: MAINT-NTPCL-TH
last-modified: 2025-11-11T23:31:26Z
source: APNIC
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