ResearchRouting table, looking glass, RPKI & IRR

61.56.136.0/21 Sony Network Taiwan Limited

Announced by AS18182 Sony Network Taiwan Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 61.56.136.0/21

Origin
AS18182 SONET-TW
RPKI
RPKI valid
Size
2,048 addresses
More specifics
0
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-12 16:02 UTC

How 61.56.136.0/21 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 9505 18182
OriginAS18182 Sony Network Taiwan Limited
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 16h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9505 18182
OriginAS18182 Sony Network Taiwan Limited
Origin codeIGP
Communities903:900 903:13760
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9505 18182
OriginAS18182 Sony Network Taiwan Limited
Origin codeIGP
Communities36295:100
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 9505 18182
OriginAS18182 Sony Network Taiwan Limited
Origin codeIGP
Communities174:21001 174:22013
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9505 18182
OriginAS18182 Sony Network Taiwan Limited
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 18h ago

Route origin authorizations

Covered by a ROA authorizing AS18182 to originate 61.56.128.0/19 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
61.56.128.0/19/24AS18182 SONET-TWAPNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
61.56.128.0/20 coveringAS18182 SONET-TWRADBSo-net Entertainment Taiwan Limited CO., LTD.MAINT-AS18182
61.56.128.0/19 coveringAS18182 SONET-TWRADBSo-net Entertainment Taiwan Limited CO., LTD.MAINT-AS18182
61.56.128.0/19 coveringAS9505 TWGATE-APREACHREACH (Customer Route)MAINT-REACH-NOC

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 61.56.136.0/21 live