ResearchRouting table, looking glass, RPKI & IRR

42.115.112.0/20 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 42.115.112.0/20

Prefix
42.115.112.0/20
Origin
AS18403 FPT-VN
RPKI
RPKI valid
Size
4,096 addresses
Less specific
42.115.64.0/18 AS18403 FPT-VN
More specifics
15
IRR route objects
3 exact, 13 covering
In RouteViews
2026-10-14 12:02 UTC
Paths

How 42.115.112.0/20 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
Updated6d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 18403×3
OriginAS18403 FPT Telecom Company
Origin codeIGP
Communities36295:100
Updated6d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 18403×3
OriginAS18403 FPT Telecom Company
Origin codeIGP
Communitiesnone
Updated6d 19h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS18403 to originate 42.112.0.0/13 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
42.112.0.0/13/24AS18403 FPT-VNAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
42.115.112.0/20AS18403 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
42.115.112.0/20AS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
42.115.112.0/20AS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
42.115.96.0/19 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
42.115.64.0/18 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
42.115.0.0/17 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
42.115.0.0/17 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
42.115.0.0/17 coveringAS18403 FPT-VNRADBCMI (Customer Route)MAINT-AS58453
42.115.0.0/16 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
42.115.0.0/16 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
42.115.0.0/16 coveringAS18403 FPT-VNRADBFPT Telecom 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
42.114.0.0/15 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
42.112.0.0/14 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
42.112.0.0/13 coveringAS18403 FPT-VNAPNICFPT-VNMAINT-VN-FPT
42.112.0.0/13 coveringAS18403 FPT-VNNTTCOMCMI IP TransitMAINT-CMI-INT-HK
42.112.0.0/13 coveringAS18403 FPT-VNRADBFPT Telecom Company 66-68 Vo Van Tan Ho Chi Minh City VietnamMAINT-AS18403
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

42.115.64.0/18 AS18403 FPT-VN42.115.0.0/16 AS18403 FPT-VN42.112.0.0/13 AS18403 FPT-VN
More specific

Prefixes inside 42.115.112.0/20

15 announced prefixes fall inside this one.

Show the 15 prefixes
42.115.112.0/24 AS18403 FPT-VN42.115.113.0/24 AS18403 FPT-VN42.115.114.0/23 AS18403 FPT-VN42.115.116.0/24 AS18403 FPT-VN42.115.117.0/24 AS18403 FPT-VN42.115.118.0/24 AS18403 FPT-VN42.115.119.0/24 AS18403 FPT-VN42.115.120.0/24 AS18403 FPT-VN42.115.121.0/24 AS18403 FPT-VN42.115.122.0/24 AS18403 FPT-VN42.115.123.0/24 AS18403 FPT-VN42.115.124.0/24 AS18403 FPT-VN42.115.125.0/24 AS18403 FPT-VN42.115.126.0/24 AS18403 FPT-VN42.115.127.0/24 AS18403 FPT-VN
Tools

Check 42.115.112.0/20 live

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