ResearchRouting table, looking glass, RPKI & IRR

2001:df3:540::/48 Nara Institute of Science and Technology, National University Corporation

Announced by AS131158 Nara Institute of Science and Technology, National University Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 2001:df3:540::/48

Origin
AS131158 NAIST-AS
RPKI
RPKI valid
Size
65,536 /64s
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 04:07 UTC

How 2001:df3:540::/48 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.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 3356 2914 2500 131158
OriginAS131158 Nara Institute of Science and Technology, National University Corporation
Origin codeIGP
Communities2914:410 2914:1408 2914:2401 2914:3400 3356:4 3356:22 3356:86 3356:601 3356:666 3356:704 3356:901 3356:2174 36601:150 36601:2001
Updated4d 1h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 2500 131158
OriginAS131158 Nara Institute of Science and Technology, National University Corporation
Origin codeIGP
Communities903:13760
Updated4d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 2907 131158
OriginAS131158 Nara Institute of Science and Technology, National University Corporation
Origin codeIGP
Communities36295:100
Updated4d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 2907 131158
OriginAS131158 Nara Institute of Science and Technology, National University Corporation
Origin codeIGP
Communitiesnone
Updated4d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 2497 2907×3 131158
OriginAS131158 Nara Institute of Science and Technology, National University Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 6h ago

Route origin authorizations

Covered by a ROA authorizing AS131158 to originate 2001:df3:540::/48 up to /48. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
2001:df3:540::/48/48AS131158 NAIST-ASAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
2001:df3:540::/48AS131158 NAIST-ASJPIRRNara Institute of Science and Technology X-Keiro: noc@itc.naist.jpMAINT-AS131158

Check 2001:df3:540::/48 live