ResearchRouting table, looking glass, RPKI & IRR

203.77.37.0/24 Taiwan Fixed Network, Telco and Network Service Provider.

Announced by AS9924 Taiwan Fixed Network, Telco and Network Service Provider. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 203.77.37.0/24

Origin
AS9924 TFN-TW
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
0 exact, 10 covering
In RouteViews
2026-10-13 12:02 UTC

How 203.77.37.0/24 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.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 3491 9924
OriginAS9924 Taiwan Fixed Network, Telco and Network Service Provider.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 13h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3491 9924
OriginAS9924 Taiwan Fixed Network, Telco and Network Service Provider.
Origin codeIGP
Communities903:900 903:13760
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9924
OriginAS9924 Taiwan Fixed Network, Telco and Network Service Provider.
Origin codeIGP
Communities36295:100
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9924
OriginAS9924 Taiwan Fixed Network, Telco and Network Service Provider.
Origin codeIGP
Communitiesnone
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3491 9924
OriginAS9924 Taiwan Fixed Network, Telco and Network Service Provider.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 14h ago

Route origin authorizations

Covered by a ROA authorizing AS9924 to originate 203.77.32.0/19 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
203.77.36.0/23/24AS24164 UBBNET-AS-TWAPNIC
203.77.32.0/19/24AS9924 TFN-TWAPNIC
203.77.32.0/19/24AS24164 UBBNET-AS-TWAPNIC
203.77.0.0/18/24AS4662 QTCN-ASN1APNIC
203.77.0.0/18/24AS24164 UBBNET-AS-TWAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.77.36.0/23 coveringAS24164 UBBNET-AS-TWRADBTaiwan Fixed Network Proxy AnnouncementMAINT-AS9924
203.77.32.0/19 coveringAS24164 UBBNET-AS-TWNTTCOMProxy-registered route object(Customer)MAINT-AS9924
203.77.32.0/19 coveringAS24164 UBBNET-AS-TWRADBProxy-registered route objectMAINT-AS9924
203.77.0.0/18 coveringAS4662 QTCN-ASN1APNICGCNet (Reach & Range Inc.)MAINT-GCNET-TW
203.77.0.0/18 coveringAS4662 QTCN-ASN1NTTCOMTaiwan Fixed NetworkMAINT-AS9924
203.77.0.0/18 coveringAS24164 UBBNET-AS-TWNTTCOMProxy-registered route object(Customer)MAINT-AS9924
203.77.0.0/18 coveringAS4662 QTCN-ASN1RADBGCNet (Reach&Range Inc.)MAINT-AS9924
203.77.0.0/18 coveringAS24164 UBBNET-AS-TWRADBProxy-registered route objectMAINT-AS9924
203.77.0.0/18 coveringAS9505 TWGATE-APREACHREACH (Customer Route)MAINT-REACH-NOC
203.77.0.0/17 coveringAS4662 QTCN-ASN1RADBPACNET (proxy-registered route object)MAINT-AS4637

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 203.77.37.0/24 live