63747 CPT-AS-VN Central Post and Telecommunication CPT, VN
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS45899 VNPT-AS-VN VNPT Corp, VN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 17506 AS63747 ORIGIN Originate: 4096 /20.00 Transit: 0 /0.00 CPT-AS-VN Central Post and Telecommunication CPT, VN
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 % 3714 AS63747 CPT-AS-VN Central Post and Telecommunication 16 16 2 2 14 87.50% Prefix AS Path Aggregation Suggestion 45.252.240.0/21 4777 2497 45899 63747 + Announce - aggregate of 45.252.240.0/22 (4777 2497 45899 63747) and 45.252.244.0/22 (4777 2497 45899 63747) 45.252.240.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.241.0/24 (4777 2497 45899 63747) 45.252.241.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.240.0/24 (4777 2497 45899 63747) 45.252.242.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.243.0/24 (4777 2497 45899 63747) 45.252.243.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.242.0/24 (4777 2497 45899 63747) 45.252.244.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.245.0/24 (4777 2497 45899 63747) 45.252.245.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.244.0/24 (4777 2497 45899 63747) 45.252.246.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.247.0/24 (4777 2497 45899 63747) 45.252.247.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 45.252.246.0/24 (4777 2497 45899 63747) 103.221.224.0/21 4777 2497 45899 63747 + Announce - aggregate of 103.221.224.0/22 (4777 2497 45899 63747) and 103.221.228.0/22 (4777 2497 45899 63747) 103.221.224.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.225.0/24 (4777 2497 45899 63747) 103.221.225.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.224.0/24 (4777 2497 45899 63747) 103.221.226.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.227.0/24 (4777 2497 45899 63747) 103.221.227.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.226.0/24 (4777 2497 45899 63747) 103.221.228.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.229.0/24 (4777 2497 45899 63747) 103.221.229.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.228.0/24 (4777 2497 45899 63747) 103.221.230.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.231.0/24 (4777 2497 45899 63747) 103.221.231.0/24 4777 2497 45899 63747 - Withdrawn - aggregated with 103.221.230.0/24 (4777 2497 45899 63747)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS63747 16 More Specifics 16 Total Advertisements CPT-AS-VN Central Post and Telecommunication CPT, VN
45.252.240.0/24 45.252.240.0/22
45.252.241.0/24 45.252.240.0/22
45.252.242.0/24 45.252.240.0/22
45.252.243.0/24 45.252.240.0/22
45.252.244.0/24 45.252.244.0/22
45.252.245.0/24 45.252.244.0/22
45.252.246.0/24 45.252.244.0/22
45.252.247.0/24 45.252.244.0/22
103.221.224.0/24 103.221.224.0/22
103.221.225.0/24 103.221.224.0/22
103.221.226.0/24 103.221.224.0/22
103.221.227.0/24 103.221.224.0/22
103.221.228.0/24 103.221.228.0/22
103.221.229.0/24 103.221.228.0/22
103.221.230.0/24 103.221.228.0/22
103.221.231.0/24 103.221.228.0/22
whois: 402332
IANA has recorded AS63747 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS63747\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS63488 - AS63999'
as-block: AS63488 - AS63999
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: 2013-09-11T23:49:48Z
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 'AS63730 - AS63769'
as-block: AS63730 - AS63769
descr: VNNIC-ASBLOCK-AP
descr: VNNIC
descr: Vietnam Network Information Center
country: VN
admin-c: NTTT3-AP
tech-c: NTTT3-AP
remarks: Block of 20 AS numbers from 63730 - 63769
remarks: for assignment to VNNIC members
mnt-by: APNIC-HM
mnt-lower: MAINT-VN-VNNIC
last-modified: 2023-04-21T06:49:58Z
source: APNIC
person: Nguyen Thi Thu Thuy
address: VNNIC-VN
country: VN
phone: +84-2435564944
e-mail: info@vnnic.vn
nic-hdl: NTTT3-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2020-05-11T07:33:48Z
source: APNIC
% Information related to 'AS63747'
% Abuse contact for 'AS63747' is 'hm-changed@vnnic.vn'
aut-num: AS63747
as-name: CPT-AS-VN
descr: Central Post and Telecommunication (CPT)
country: VN
admin-c: NTH21-AP
tech-c: PDC9-AP
mnt-by: MAINT-VN-VNNIC
mnt-irt: IRT-VNNIC-AP
last-modified: 2016-06-08T08:00:50Z
source: APNIC
irt: IRT-VNNIC-AP
address: Ha Noi, VietNam
phone: +84-24-35564944
fax-no: +84-24-37821462
e-mail: hm-changed@vnnic.vn
abuse-mailbox: hm-changed@vnnic.vn
admin-c: NTTT1-AP
tech-c: NTTT1-AP
auth: # Filtered
mnt-by: MAINT-VN-VNNIC
last-modified: 2026-04-21T02:07:47Z
source: APNIC
person: Ngo Thanh Hien
address: CPT-VN
country: VN
phone: +84-08041016
e-mail: hiennt@cpt.gov.vn
nic-hdl: NTH21-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-12T04:04:24Z
source: APNIC
person: Pham Duy Canh
address: CPT-VN
country: VN
phone: +84-08041000
e-mail: pdcanh@cpt.gov.vn
nic-hdl: PDC9-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-12T04:04:42Z
source: APNIC
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