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More Specific Announcements

	Prefix	Description
	27.71.231.0/24	Viettel Group

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Less Specific Announcements

	Prefix	Description
	27.71.0.0/16	Viettel Group
	27.68.0.0/14	Viettel Group
	27.64.0.0/13	Viettel Group
	27.64.0.0/12	Viettel Group

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS7552	Viettel Group

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Peers

	ASN	Description
	AS7552	Viettel Group

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '27.64.0.0 - 27.79.255.255'

% Abuse contact for '27.64.0.0 - 27.79.255.255' is 'hm-changed@vnnic.vn'

inetnum:        27.64.0.0 - 27.79.255.255
netname:        VIETTEL-VN
descr:          Viettel Group
descr:          No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
admin-c:        TVT8-AP
tech-c:         NDT9-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2017-11-11T09:36:50Z
source:         APNIC

irt:            IRT-VNNIC-AP
address:        Ha Noi, VietNam
phone:          +84-24-35564944
fax-no:         +84-24-37821462
# Email removed, Log into bgp.tools to see whois emails/phone numbers
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 Dang Tiep
address:        Viettel Network Corporation
address:        No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
phone:          +84-24-62989898
# Email removed, Log into bgp.tools to see whois emails/phone numbers
nic-hdl:        NDT9-AP
mnt-by:         MAINT-VN-VIETEL
last-modified:  2017-11-11T09:40:35Z
source:         APNIC

person:         Tran Van Thanh
address:        Viettel Network Corporation
address:        No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
phone:          +84-24-62989898
# Email removed, Log into bgp.tools to see whois emails/phone numbers
nic-hdl:        TVT8-AP
mnt-by:         MAINT-VN-VIETEL
last-modified:  2018-08-21T09:57:13Z
source:         APNIC

% Information related to '27.64.0.0/12AS24086'

route:          27.64.0.0/12
descr:          VIETTEL-VN
origin:         AS24086
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:15:01Z
source:         APNIC

% Information related to '27.64.0.0/12AS38731'

route:          27.64.0.0/12
descr:          VIETTEL-VN
origin:         AS38731
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:15:06Z
source:         APNIC

% Information related to '27.64.0.0/12AS7552'

route:          27.64.0.0/12
descr:          VIETTEL-VN
origin:         AS7552
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:14:56Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Last Update: 2026-06-06T05:35:47Z UTC

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IRR Databases

IRR	Expected ASN
radb	AS7552	Show Raw route: 27.71.228.0/22 descr: Proxy-registered route object origin: AS7552 notify: radb@hutchcity.com mnt-by: MAINT-AS9304 changed: radb@hutchcity.com 20121019 source: RADB last-modified: 2023-11-13T15:43:46Z

RPKI Chain (Current origin: Valid)