ResearchRouting table, looking glass, RPKI & IRR

208.117.56.0/21 SendGrid, Inc.

Announced by AS11377 SendGrid, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 208.117.56.0/21

Prefix
208.117.56.0/21
Origin
AS11377 SENDGRID
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 4 covering
In RouteViews
2026-10-15 20:02 UTC
Paths

How 208.117.56.0/21 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 3356 11377
OriginAS11377 SendGrid, Inc.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated1d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 11377
OriginAS11377 SendGrid, Inc.
Origin codeIGP
Communities903:900 903:13760
Updated8d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11377
OriginAS11377 SendGrid, Inc.
Origin codeIGP
Communities36295:100
Updated8d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11377
OriginAS11377 SendGrid, Inc.
Origin codeIGP
Communitiesnone
Updated8d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 11377
OriginAS11377 SendGrid, Inc.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 3h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS11377 to originate 208.117.56.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
208.117.56.0/21/21AS11377 SENDGRIDARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
208.117.56.0/21AS11377 SENDGRIDARINTwilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United StatesMNT-SENDG
208.117.56.0/21AS11377 SENDGRIDRADBSendGridMAINT-AS11377
208.117.48.0/20 coveringAS11377 SENDGRIDALTDBSteadfast NetworksMAINT-AS32748
208.117.48.0/20 coveringAS11377 SENDGRIDARINTwilio, Inc. 1801 California Street Suite 500 Denver CO 80202 United StatesMNT-SENDG
208.117.48.0/20 coveringAS11377 SENDGRIDRADBSendGridMAINT-AS11377
208.117.0.0/18 coveringAS32748 STEADFASTALTDBSteadfast NetworksMAINT-AS32748
Tools

Check 208.117.56.0/21 live

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