ResearchRouting table, looking glass, RPKI & IRR

1.52.158.0/24 FPT Telecom Company

Announced by AS18403 FPT Telecom Company. RPKI valid Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 1.52.158.0/24

Prefix
1.52.158.0/24
Origin
AS18403 FPT-VN
RPKI
RPKI valid
Size
256 addresses
Less specific
1.52.144.0/20 AS18403 FPT-VN
More specifics
0
IRR route objects
1 exact, 19 covering
In RouteViews
2026-10-12 16:02 UTC
RPKI

Route origin authorizations

Covered by a ROA authorizing AS18403 to originate 1.52.0.0/14 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
1.52.0.0/14/24AS18403 FPT-VNAPNIC
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
1.52.158.0/24AS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.158.0/23 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.156.0/22 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.152.0/21 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.144.0/20 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.144.0/20 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
1.52.144.0/20 coveringAS18403 FPT-VNRADBFPT Telecom Company 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.128.0/19 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.128.0/19 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.128.0/18 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.128.0/18 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.128.0/17 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.128.0/17 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.0.0/16 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.0.0/16 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.0.0/15 coveringAS18403 FPT-VNAPNICVietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, HanoiMAINT-VN-FPT
1.52.0.0/15 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.52.0.0/14 coveringAS18403 FPT-VNAPNICFPT-VNMAINT-VN-FPT
1.52.0.0/14 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
1.52.0.0/14 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

1.52.144.0/20 AS18403 FPT-VN1.52.128.0/18 AS18403 FPT-VN1.52.0.0/14 AS18403 FPT-VN
Tools

Check 1.52.158.0/24 live

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