ResearchRouting table, looking glass, RPKI & IRR

57.140.192.0/18 Google LLC

Announced by AS19527 Google LLC. RPKI valid Seen by 5 of our 5 looking glass sessions. Also originated by AS15169, AS43515

Summary

What the table says about 57.140.192.0/18

Prefix
57.140.192.0/18
Origin
AS19527 GOOGLE-2
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
26
IRR route objects
4 exact, 1 covering
In RouteViews
2026-10-15 12:02 UTC
Paths

How 57.140.192.0/18 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 13760 15169
OriginAS15169 Google LLC
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated1d 5h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 15169
OriginAS15169 Google LLC
Origin codeIGP
Communities903:900 903:13760
Updated7d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 19527
OriginAS19527 Google LLC
Origin codeIGP
Communities36295:100
Updated7d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 19527
OriginAS19527 Google LLC
Origin codeIGP
Communitiesnone
Updated7d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 43515
OriginAS43515 Google Ireland Limited
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated1d 5h ago
RPKI

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
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
57.140.192.0/18AS396982 GOOGLE-CLOUD-PLATFORMARINMENLO SECURITY, INC.MNT-MS-1157
57.140.192.0/18AS15169 GOOGLERADBGoogleMAINT-AS15169
57.140.192.0/18AS19527 GOOGLE-2RADBGoogleMAINT-AS15169
57.140.192.0/18AS396982 GOOGLE-CLOUD-PLATFORMRADBGoogleMAINT-AS15169
57.140.0.0/16 coveringAS62654 MENLO-SECURITYARINMenlo Security, Inc. Route ObjectMNT-MS-1157
More specific

Prefixes inside 57.140.192.0/18

26 announced prefixes fall inside this one.

Show the 26 prefixes
57.140.192.0/24 AS19527 GOOGLE-257.140.193.0/24 AS19527 GOOGLE-257.140.194.0/24 AS43515 YOUTUBE57.140.195.0/24 AS19527 GOOGLE-257.140.196.0/24 AS19527 GOOGLE-257.140.197.0/24 AS15169 GOOGLE57.140.198.0/24 AS43515 YOUTUBE57.140.199.0/24 AS19527 GOOGLE-257.140.208.0/24 AS19527 GOOGLE-257.140.209.0/24 AS19527 GOOGLE-257.140.210.0/24 AS19527 GOOGLE-257.140.211.0/24 AS19527 GOOGLE-257.140.212.0/24 AS19527 GOOGLE-257.140.213.0/24 AS19527 GOOGLE-257.140.214.0/24 AS19527 GOOGLE-257.140.215.0/24 AS19527 GOOGLE-257.140.224.0/24 AS15169 GOOGLE57.140.225.0/24 AS19527 GOOGLE-257.140.226.0/24 AS19527 GOOGLE-257.140.227.0/24 AS19527 GOOGLE-257.140.228.0/24 AS19527 GOOGLE-257.140.240.0/24 AS19527 GOOGLE-257.140.241.0/24 AS19527 GOOGLE-257.140.242.0/24 AS19527 GOOGLE-257.140.243.0/24 AS19527 GOOGLE-257.140.244.0/24 AS19527 GOOGLE-2
Tools

Check 57.140.192.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API