ResearchRouting table, looking glass, RPKI & IRR

1.53.20.0/24 FPT Telecom Company

Announced by AS18403 FPT Telecom Company. RPKI valid Seen by 3 of our 5 looking glass sessions.

Summary

What the table says about 1.53.20.0/24

Prefix
1.53.20.0/24
Origin
AS18403 FPT-VN
RPKI
RPKI valid
Size
256 addresses
Less specific
1.53.16.0/20 AS18403 FPT-VN
More specifics
0
IRR route objects
1 exact, 19 covering
In RouteViews
2026-10-12 02:24 UTC
Paths

How 1.53.20.0/24 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 18403×3
OriginAS18403 FPT Telecom Company
Origin codeIGP
Communities903:100 903:900
Updated4d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 18403×3
OriginAS18403 FPT Telecom Company
Origin codeIGP
Communities36295:100
Updated4d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 18403×3
OriginAS18403 FPT Telecom Company
Origin codeIGP
Communitiesnone
Updated4d 8h ago
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
1.53.20.0/24AS18403 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
1.53.20.0/23 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
1.53.20.0/22 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
1.53.16.0/21 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
1.53.16.0/20 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
1.53.16.0/20 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
1.53.16.0/20 coveringAS18403 FPT-VNRADBFPT Telecom Company 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.53.0.0/19 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
1.53.0.0/19 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.53.0.0/18 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
1.53.0.0/18 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.53.0.0/17 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
1.53.0.0/17 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
1.53.0.0/16 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
1.53.0.0/16 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.

1.53.16.0/20 AS18403 FPT-VN1.53.0.0/18 AS18403 FPT-VN1.52.0.0/14 AS18403 FPT-VN
Tools

Check 1.53.20.0/24 live

Looking glassIP to ASN APIRPKI APIIRR API