ResearchRouting table, looking glass, RPKI & IRR

161.121.144.0/20 Transit AS Tokyo

Announced by AS38910 Transit AS Tokyo. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 161.121.144.0/20

Prefix
161.121.144.0/20
Origin
AS38910 JPMORGAN-TRANSIT-AS-JP-AP
RPKI
RPKI valid
Size
4,096 addresses
Less specific
161.121.128.0/19 AS38910 JPMORGAN-TRANSIT-AS-JP-AP
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 16:02 UTC
Paths

How 161.121.144.0/20 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.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 6453 4755 38910
OriginAS38910 Transit AS Tokyo
Origin codeincomplete
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated7d 16h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6453 4755 38910
OriginAS38910 Transit AS Tokyo
Origin codeIGP
Communities903:900 903:13760
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6453 4755 38910
OriginAS38910 Transit AS Tokyo
Origin codeIGP
Communities36295:100
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6453 4755 38910
OriginAS38910 Transit AS Tokyo
Origin codeIGP
Communitiesnone
Updated8d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6453 4755 38910
OriginAS38910 Transit AS Tokyo
Origin codeincomplete
Communities174:21000 174:22013 36295:100 36295:174
Updated11d 17h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS38910 to originate 161.121.144.0/20 up to /20. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
161.121.144.0/20/20AS38910 JPMORGAN-TRANSIT-AS-JP-APAPNIC
161.121.128.0/19/19AS38910 JPMORGAN-TRANSIT-AS-JP-APAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
161.121.144.0/20AS38910 JPMORGAN-TRANSIT-AS-JP-APAPNICJP Morgan Chase & Co. 270 Park AvenueMAINT-JPMC2-AP
161.121.128.0/19 coveringAS38910 JPMORGAN-TRANSIT-AS-JP-APAPNICJP Morgan Chase & Co. 270 Park AvenueMAINT-JPMC2-AP
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

161.121.128.0/19 AS38910 JPMORGAN-TRANSIT-AS-JP-AP
Tools

Check 161.121.144.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API