ResearchRouting table, looking glass, RPKI & IRR

140.245.136.0/21 Oracle Corporation

Announced by AS54253 Oracle Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 140.245.136.0/21

Origin
AS54253 ORCL-CHICAGO-PP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-14 00:02 UTC

How 140.245.136.0/21 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 9957 6619 54253
OriginAS54253 Oracle Corporation
Origin codeIGP
Communities174:21201 174:22044 36601:150 36601:174 36601:2001
Updated5d 23h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3491 6619 54253
OriginAS54253 Oracle Corporation
Origin codeIGP
Communities903:900 903:13760
Updated6d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3491 6619 54253
OriginAS54253 Oracle Corporation
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated14h 5m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 9957 6619 54253
OriginAS54253 Oracle Corporation
Origin codeIGP
Communities174:21201 174:22044
Updated6d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9957 6619 54253
OriginAS54253 Oracle Corporation
Origin codeIGP
Communities174:21201 174:22044 36295:100 36295:174
Updated10d 1h ago

Route origin authorizations

Covered by a ROA authorizing AS54253 to originate 140.245.136.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
140.245.136.0/21/24AS54253 ORCL-CHICAGO-PPARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
140.245.136.0/21AS54253 ORCL-CHICAGO-PPRADBOracle CorporationMAINT-ORACLE
140.245.0.0/16 coveringAS23151 TERC-1ALTDBTERC NetworkMAINT-AS23151
140.245.0.0/16 coveringAS1784 GCFA-ASN02LEVEL3AS1784-CUSTBROADVOICE-MNT
140.245.0.0/16 coveringAS23151 TERC-1LEVEL3cus prefixMAINT-TOWARDEX
140.245.0.0/16 coveringAS7029 WINDSTREAMRADBWindstream (PaeTec)MAINT-AS7029

Check 140.245.136.0/21 live