ResearchRouting table, looking glass, RPKI & IRR

173.245.51.0/24 Cloudflare

Announced by AS22061 Cloudflare. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 173.245.51.0/24

Origin
AS22061 CLOUDFLARE-MTC-CA
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-15 20:02 UTC

How 173.245.51.0/24 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 13335 22061
OriginAS22061 Cloudflare
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001 13335:10001492:0
Updated7d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 13335 22061
OriginAS22061 Cloudflare
Origin codeIGP
Communities903:900 903:13760
Updated8d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3356 13335 22061
OriginAS22061 Cloudflare
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated6h 40m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 13335 22061
OriginAS22061 Cloudflare
Origin codeIGP
Communities174:21001 174:22013 13335:10001492:0
Updated8d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 13335 22061
OriginAS22061 Cloudflare
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174 13335:10001492:0
Updated11d 19h ago

Route origin authorizations

Covered by a ROA authorizing AS22061 to originate 173.245.51.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
173.245.51.0/24/24AS22061 CLOUDFLARE-MTC-CAARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
173.245.51.0/24AS13335 CLOUDFLARENETARINCloudflare, Inc. 101 Townsend Street, San Francisco, California 94107, USMNT-CLOUD14
173.245.51.0/24AS22061 CLOUDFLARE-MTC-CAARINCloudflare, Inc.MNT-CLOUD14
173.245.48.0/20 coveringAS13335 CLOUDFLARENETARINCloudflare, Inc. 101 Townsend Street, San Francisco, California 94107, USMNT-CLOUD14

Check 173.245.51.0/24 live