ResearchRouting table, looking glass, RPKI & IRR

57.140.243.0/24 Google LLC

Announced by AS19527 Google LLC. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS15169

What the table says about 57.140.243.0/24

Origin
AS19527 GOOGLE-2
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
2 exact, 5 covering
In RouteViews
2026-10-14 04:02 UTC

How 57.140.243.0/24 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 19527
OriginAS19527 Google LLC
Origin codeIGP
Communities174:21401 174:22043 36601:150 36601:174 36601:2001
Updated6d 2h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 19527
OriginAS19527 Google LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15169
OriginAS15169 Google LLC
Origin codeIGP
Communities36295:100
Updated6d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 15169
OriginAS15169 Google LLC
Origin codeIGP
Communitiesnone
Updated6d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 19527
OriginAS19527 Google LLC
Origin codeIGP
Communities174:21401 174:22043 36295:100 36295:174
Updated10d 4h ago

Route origin authorizations

Covered by a ROA authorizing AS19527 to originate 57.140.192.0/18 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
57.140.192.0/18/24AS15169 GOOGLEARIN
57.140.192.0/18/24AS19527 GOOGLE-2ARIN
57.140.192.0/18/24AS139070 GOOGLE-AS-APARIN
57.140.192.0/18/24AS396982 GOOGLE-CLOUD-PLATFORMARIN
57.140.0.0/16/24AS62654 MENLO-SECURITYARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
57.140.243.0/24AS15169 GOOGLERADBGoogleMAINT-AS15169
57.140.243.0/24AS19527 GOOGLE-2RADBGoogleMAINT-AS15169
57.140.192.0/18 coveringAS396982 GOOGLE-CLOUD-PLATFORMARINMENLO SECURITY, INC.MNT-MS-1157
57.140.192.0/18 coveringAS15169 GOOGLERADBGoogleMAINT-AS15169
57.140.192.0/18 coveringAS19527 GOOGLE-2RADBGoogleMAINT-AS15169
57.140.192.0/18 coveringAS396982 GOOGLE-CLOUD-PLATFORMRADBGoogleMAINT-AS15169
57.140.0.0/16 coveringAS62654 MENLO-SECURITYARINMenlo Security, Inc. Route ObjectMNT-MS-1157

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 57.140.243.0/24 live