
18403 FPT-AS-AP The Corporation for Financing & Promoting Technology
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS3491 BTN-ASN - Beyond The Network America, Inc.
AS6453 GLOBEINTERNET VSNL International
AS703 UNSPECIFIED UUNET
AS7643 VNN-AS-AP Vietnam Posts and Telecommunications (VNPT)
Downstream Adjacent AS list
AS38010 METRO-VN-AS-AP Metro C&C
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 670 AS18403 ORG+TRN Originate: 303104 /13.79 Transit: 1024 /22.00 FPT-AS-AP The Corporation for Financing & Promoting Technology
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 % 571 AS18403 FPT-AS-AP The Corporation for Financing 54 32 7 29 25 46.30% Prefix AS Path Aggregation Suggestion 58.186.0.0/17 4637 3491 18403 + Announce - aggregate of 58.186.0.0/18 (4637 3491 18403) and 58.186.64.0/18 (4637 3491 18403) 58.186.0.0/18 4637 3491 18403 - Withdrawn - aggregated with 58.186.64.0/18 (4637 3491 18403) 58.186.0.0/20 4637 3491 18403 - Withdrawn - matching aggregate 58.186.0.0/18 4637 3491 18403 58.186.16.0/20 4637 703 18403 18403 18403 58.186.32.0/19 4637 3491 18403 18403 + Announce - aggregate of 58.186.32.0/20 (4637 3491 18403 18403) and 58.186.48.0/20 (4637 3491 18403 18403) 58.186.32.0/20 4637 3491 18403 18403 - Withdrawn - aggregated with 58.186.48.0/20 (4637 3491 18403 18403) 58.186.48.0/20 4637 3491 18403 18403 - Withdrawn - aggregated with 58.186.32.0/20 (4637 3491 18403 18403) 58.186.64.0/18 4637 3491 18403 - Withdrawn - aggregated with 58.186.0.0/18 (4637 3491 18403) 58.186.64.0/20 4637 3491 18403 - Withdrawn - matching aggregate 58.186.64.0/18 4637 3491 18403 58.186.80.0/20 4637 3491 18403 18403 18403 18403 58.186.96.0/20 4637 3491 18403 - Withdrawn - matching aggregate 58.186.64.0/18 4637 3491 18403 58.186.112.0/20 4637 3491 18403 18403 58.186.128.0/17 4637 3491 18403 18403 18403 + Announce - aggregate of 58.186.128.0/18 (4637 3491 18403 18403 18403) and 58.186.192.0/18 (4637 3491 18403 18403 18403) 58.186.128.0/18 4637 3491 18403 18403 18403 - Withdrawn - aggregated with 58.186.192.0/18 (4637 3491 18403 18403 18403) 58.186.128.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.186.128.0/18 4637 3491 18403 18403 18403 58.186.144.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.186.128.0/18 4637 3491 18403 18403 18403 58.186.160.0/19 4637 3491 18403 18403 + Announce - aggregate of 58.186.160.0/20 (4637 3491 18403 18403) and 58.186.176.0/20 (4637 3491 18403 18403) 58.186.160.0/20 4637 3491 18403 18403 - Withdrawn - aggregated with 58.186.176.0/20 (4637 3491 18403 18403) 58.186.176.0/20 4637 3491 18403 18403 - Withdrawn - aggregated with 58.186.160.0/20 (4637 3491 18403 18403) 58.186.192.0/18 4637 3491 18403 18403 18403 - Withdrawn - aggregated with 58.186.128.0/18 (4637 3491 18403 18403 18403) 58.186.192.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.186.192.0/18 4637 3491 18403 18403 18403 58.186.208.0/20 4637 3491 18403 18403 18403 18403 58.186.224.0/20 4637 3491 18403 18403 18403 18403 58.186.240.0/20 4637 7473 7643 18403 58.187.0.0/18 4637 3491 18403 18403 18403 58.187.0.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.187.0.0/18 4637 3491 18403 18403 18403 58.187.16.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.187.0.0/18 4637 3491 18403 18403 18403 58.187.48.0/20 4637 3491 18403 58.187.64.0/18 4637 3491 18403 58.187.64.0/20 4637 3491 18403 - Withdrawn - matching aggregate 58.187.64.0/18 4637 3491 18403 58.187.80.0/20 4637 6453 18403 18403 18403 58.187.96.0/19 4637 6453 18403 18403 18403 + Announce - aggregate of 58.187.96.0/20 (4637 6453 18403 18403 18403) and 58.187.112.0/20 (4637 6453 18403 18403 18403) 58.187.96.0/20 4637 6453 18403 18403 18403 - Withdrawn - aggregated with 58.187.112.0/20 (4637 6453 18403 18403 18403) 58.187.112.0/20 4637 6453 18403 18403 18403 - Withdrawn - aggregated with 58.187.96.0/20 (4637 6453 18403 18403 18403) 58.187.128.0/18 4637 3491 18403 18403 18403 58.187.128.0/20 4637 3491 18403 18403 18403 - Withdrawn - matching aggregate 58.187.128.0/18 4637 3491 18403 18403 18403 58.187.144.0/20 4637 6453 18403 18403 18403 58.187.160.0/19 4637 6453 18403 18403 18403 + Announce - aggregate of 58.187.160.0/20 (4637 6453 18403 18403 18403) and 58.187.176.0/20 (4637 6453 18403 18403 18403) 58.187.160.0/20 4637 6453 18403 18403 18403 - Withdrawn - aggregated with 58.187.176.0/20 (4637 6453 18403 18403 18403) 58.187.176.0/20 4637 6453 18403 18403 18403 - Withdrawn - aggregated with 58.187.160.0/20 (4637 6453 18403 18403 18403) 58.187.192.0/20 4637 3491 18403 18403 18403 58.187.208.0/20 4637 6453 18403 18403 18403 58.187.224.0/20 4637 3491 18403 18403 18403 210.245.0.0/17 4637 3491 18403 210.245.0.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.8.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.16.0/20 4637 3491 18403 18403 + Announce - aggregate of 210.245.16.0/21 (4637 3491 18403 18403) and 210.245.24.0/21 (4637 3491 18403 18403) 210.245.16.0/21 4637 3491 18403 18403 - Withdrawn - aggregated with 210.245.24.0/21 (4637 3491 18403 18403) 210.245.24.0/21 4637 3491 18403 18403 - Withdrawn - aggregated with 210.245.16.0/21 (4637 3491 18403 18403) 210.245.32.0/21 4637 3491 18403 18403 18403 18403 210.245.40.0/21 4637 3491 18403 18403 210.245.48.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.56.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.64.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.72.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.80.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.88.0/21 4637 3491 18403 - Withdrawn - matching aggregate 210.245.0.0/17 4637 3491 18403 210.245.96.0/21 4637 3491 18403 18403 18403 18403 210.245.104.0/21 4637 3491 18403 18403 210.245.112.0/21 4637 3491 18403 18403 210.245.120.0/21 4637 7473 7643 18403 18403
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18403 134 More Specifics 135 Total Advertisements FPT-AS-AP The Corporation for Financing & Promoting Technology
58.186.0.0/18 58.186.0.0/15
58.186.0.0/20 58.186.0.0/15
58.186.16.0/20 58.186.0.0/15
58.186.32.0/20 58.186.0.0/15
58.186.48.0/20 58.186.0.0/15
58.186.64.0/18 58.186.0.0/15
58.186.64.0/20 58.186.0.0/15
58.186.80.0/20 58.186.0.0/15
58.186.96.0/20 58.186.0.0/15
58.186.112.0/20 58.186.0.0/15
58.186.128.0/18 58.186.0.0/15
58.186.128.0/20 58.186.0.0/15
58.186.144.0/20 58.186.0.0/15
58.186.160.0/20 58.186.0.0/15
58.186.176.0/20 58.186.0.0/15
58.186.192.0/18 58.186.0.0/15
58.186.192.0/20 58.186.0.0/15
58.186.208.0/20 58.186.0.0/15
58.186.224.0/20 58.186.0.0/15
58.186.240.0/20 58.186.0.0/15
58.187.0.0/18 58.186.0.0/15
58.187.0.0/20 58.186.0.0/15
58.187.16.0/20 58.186.0.0/15
58.187.32.0/20 58.186.0.0/15
58.187.48.0/20 58.186.0.0/15
58.187.64.0/18 58.186.0.0/15
58.187.64.0/20 58.186.0.0/15
58.187.80.0/20 58.186.0.0/15
58.187.96.0/20 58.186.0.0/15
58.187.112.0/20 58.186.0.0/15
58.187.128.0/18 58.186.0.0/15
58.187.128.0/20 58.186.0.0/15
58.187.144.0/20 58.186.0.0/15
58.187.160.0/20 58.186.0.0/15
58.187.176.0/20 58.186.0.0/15
58.187.192.0/20 58.186.0.0/15
58.187.208.0/20 58.186.0.0/15
58.187.224.0/20 58.186.0.0/15
118.68.0.0/18 118.68.0.0/14
118.68.0.0/20 118.68.0.0/14
118.68.16.0/20 118.68.0.0/14
118.68.32.0/20 118.68.0.0/14
118.68.48.0/20 118.68.0.0/14
118.68.64.0/18 118.68.0.0/14
118.68.64.0/20 118.68.0.0/14
118.68.80.0/20 118.68.0.0/14
118.68.96.0/20 118.68.0.0/14
118.68.112.0/20 118.68.0.0/14
118.68.128.0/18 118.68.0.0/14
118.68.128.0/20 118.68.0.0/14
118.68.144.0/20 118.68.0.0/14
118.68.160.0/20 118.68.0.0/14
118.68.176.0/20 118.68.0.0/14
118.68.192.0/18 118.68.0.0/14
118.68.192.0/20 118.68.0.0/14
118.68.208.0/20 118.68.0.0/14
118.68.224.0/20 118.68.0.0/14
118.68.240.0/20 118.68.0.0/14
118.69.0.0/18 118.68.0.0/14
118.69.0.0/20 118.68.0.0/14
118.69.16.0/20 118.68.0.0/14
118.69.32.0/20 118.68.0.0/14
118.69.48.0/20 118.68.0.0/14
118.69.64.0/18 118.68.0.0/14
118.69.64.0/20 118.68.0.0/14
118.69.80.0/20 118.68.0.0/14
118.69.96.0/20 118.68.0.0/14
118.69.112.0/20 118.68.0.0/14
118.69.128.0/18 118.68.0.0/14
118.69.128.0/20 118.68.0.0/14
118.69.144.0/20 118.68.0.0/14
118.69.160.0/20 118.68.0.0/14
118.69.176.0/20 118.68.0.0/14
118.69.192.0/18 118.68.0.0/14
118.69.192.0/20 118.68.0.0/14
118.69.208.0/20 118.68.0.0/14
118.69.224.0/20 118.68.0.0/14
118.69.240.0/20 118.68.0.0/14
118.70.0.0/18 118.68.0.0/14
118.70.0.0/20 118.68.0.0/14
118.70.16.0/20 118.68.0.0/14
118.70.32.0/20 118.68.0.0/14
118.70.48.0/20 118.68.0.0/14
118.70.64.0/18 118.68.0.0/14
118.70.64.0/20 118.68.0.0/14
118.70.80.0/20 118.68.0.0/14
118.70.96.0/20 118.68.0.0/14
118.70.112.0/20 118.68.0.0/14
118.70.128.0/18 118.68.0.0/14
118.70.128.0/20 118.68.0.0/14
118.70.144.0/20 118.68.0.0/14
118.70.160.0/20 118.68.0.0/14
118.70.176.0/20 118.68.0.0/14
118.70.192.0/18 118.68.0.0/14
118.70.192.0/20 118.68.0.0/14
118.70.208.0/20 118.68.0.0/14
118.70.224.0/20 118.68.0.0/14
118.70.240.0/20 118.68.0.0/14
118.71.0.0/18 118.68.0.0/14
118.71.0.0/20 118.68.0.0/14
118.71.16.0/20 118.68.0.0/14
118.71.32.0/20 118.68.0.0/14
118.71.48.0/20 118.68.0.0/14
118.71.64.0/18 118.68.0.0/14
118.71.64.0/20 118.68.0.0/14
118.71.80.0/20 118.68.0.0/14
118.71.96.0/20 118.68.0.0/14
118.71.112.0/20 118.68.0.0/14
118.71.128.0/18 118.68.0.0/14
118.71.128.0/20 118.68.0.0/14
118.71.144.0/20 118.68.0.0/14
118.71.160.0/20 118.68.0.0/14
118.71.176.0/20 118.68.0.0/14
118.71.192.0/18 118.68.0.0/14
118.71.192.0/20 118.68.0.0/14
118.71.208.0/20 118.68.0.0/14
118.71.224.0/20 118.68.0.0/14
118.71.240.0/20 118.68.0.0/14
210.245.0.0/21 210.245.0.0/19
210.245.8.0/21 210.245.0.0/19
210.245.16.0/21 210.245.0.0/19
210.245.24.0/21 210.245.0.0/19
210.245.32.0/21 210.245.32.0/19
210.245.40.0/21 210.245.32.0/19
210.245.48.0/21 210.245.32.0/19
210.245.56.0/21 210.245.32.0/19
210.245.64.0/21 210.245.64.0/18
210.245.72.0/21 210.245.64.0/18
210.245.80.0/21 210.245.64.0/18
210.245.88.0/21 210.245.64.0/18
210.245.96.0/21 210.245.64.0/18
210.245.104.0/21 210.245.64.0/18
210.245.112.0/21 210.245.64.0/18
210.245.120.0/21 210.245.64.0/18
| Prefix | Origin AS | AS Description | Unallocated block |
|---|---|---|---|
| 23.173.8.0/24 | AS18403 | FPT-VN - FPT Telecom Company, VN | 23.173.1.0 - 23.173.15.255 |
| 23.173.9.0/24 | AS18403 | FPT-VN - FPT Telecom Company, VN | 23.173.1.0 - 23.173.15.255 |
whois: 402603
IANA has recorded AS18403 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18403\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
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: 2019-01-08T23:19:07Z
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 'AS18403'
% Abuse contact for 'AS18403' is 'hm-changed@vnnic.vn'
aut-num: AS18403
as-name: FPT-VN
descr: FPT Telecom Company
descr: The Corporation for Financing and Promoting Technology
descr: 2nd Floor, FPT Cau Giay Tower, 17 Duy Tan, Dich Vong Hau, Cau Giay District, Hanoi
country: VN
import: from AS4637 action pref=10; accept any
import: from AS7643 action pref=10; accept any
export: to AS4637 announce AS18403
export: to AS7643 announce AS18403
remarks: mail to: abuse@fpt.net
admin-c: NHN22-AP
admin-c: NVT48-AP
admin-c: VHT4-AP
tech-c: NTD33-AP
notify: FTEL.NOC.TKVH@FPT.COM
mnt-by: MAINT-VN-VNNIC
mnt-routes: MAINT-VN-FPT
mnt-irt: IRT-VNNIC-AP
last-modified: 2026-05-25T04:26:45Z
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: Nguyen Hai Nam
address: FPT-VN
country: VN
phone: +84-968560510
e-mail: namnh20@fpt.com
nic-hdl: NHN22-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2026-05-18T02:51:32Z
source: APNIC
person: Nguyen Thanh Dat
address: FPT-VN
country: VN
phone: +84-981998468
e-mail: datnt11@fpt.com
nic-hdl: NTD33-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2026-05-18T02:53:13Z
source: APNIC
person: Nguyen Van Toan
address: FPT-VN
country: VN
phone: +84-988393213
e-mail: toannv32@fpt.com
nic-hdl: NVT48-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2026-05-18T02:52:09Z
source: APNIC
person: Vuong Huu Tho
address: FPT-VN
country: VN
phone: +84-974788112
e-mail: thovh3@fpt.com
nic-hdl: VHT4-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2026-05-18T02:52:38Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)