ResearchRouting table, looking glass, RPKI & IRR

140.136.128.0/17 Fu Jen Catholic University

Announced by AS38845 Fu Jen Catholic University. RPKI valid Seen by 4 of our 5 looking glass sessions.

What the table says about 140.136.128.0/17

Origin
AS38845 FJU-AS-TW
RPKI
RPKI valid
Size
32,768 addresses
More specifics
0
IRR route objects
1 exact, 5 covering
In RouteViews
2026-10-14 12:02 UTC

How 140.136.128.0/17 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 7029 3257 9002 38845
OriginAS38845 Fu Jen Catholic University
Origin codeIGP
Communities7029:2090 36601:150 36601:2001 36601:13760
Updated7h 33m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257 9002 38845
OriginAS38845 Fu Jen Catholic University
Origin codeIGP
Communities903:900 903:13760
Updated6d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9002 38845
OriginAS38845 Fu Jen Catholic University
Origin codeIGP
Communities36295:100
Updated6d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9002 38845
OriginAS38845 Fu Jen Catholic University
Origin codeIGP
Communitiesnone
Updated6d 18h ago

Route origin authorizations

Covered by a ROA authorizing AS38845 to originate 140.136.0.0/16 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
140.136.0.0/16/18AS38845 FJU-AS-TWAPNIC
140.136.0.0/15/15AS1659 ERX-TANET-ASN1APNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
140.136.128.0/17AS38845 FJU-AS-TWAPNICTaiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.MAINT-TW-TWNIC
140.136.0.0/16 coveringAS38845 FJU-AS-TWAPNICTaiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.MAINT-TW-TWNIC
140.136.0.0/16 coveringAS38845 FJU-AS-TWNTTCOMFu Jen Catholic UniversityMAINT-NTTCOM-RA
140.136.0.0/15 coveringAS1659 ERX-TANET-ASN1NTTCOMTANET (proxy-registered route object)MAINT-ASNET
140.136.0.0/15 coveringAS1659 ERX-TANET-ASN1RADBPACNET (proxy-registered route object)MAINT-AS4637
140.136.0.0/15 coveringAS9505 TWGATE-APREACHREACH (Customer Route)MAINT-REACH-NOC

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 140.136.128.0/17 live