ResearchRouting table, looking glass, RPKI & IRR

204.209.208.0/21 Shaw Communications

Announced by AS6327 Shaw Communications. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 204.209.208.0/21

Prefix
204.209.208.0/21
Origin
AS6327 SHAW
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
3
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-14 12:02 UTC
Paths

How 204.209.208.0/21 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 6327
OriginAS6327 Shaw Communications
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6327
OriginAS6327 Shaw Communications
Origin codeIGP
Communities903:900 903:13760
Updated6d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6327
OriginAS6327 Shaw Communications
Origin codeIGP
Communities36295:100
Updated6d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6327
OriginAS6327 Shaw Communications
Origin codeIGP
Communitiesnone
Updated6d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6327
OriginAS6327 Shaw Communications
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 12h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS6327 to originate 204.209.208.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
204.209.208.0/21/24AS6327 SHAWARIN
204.209.208.0/21/24AS10482 SHAW-COMMUNICATIONSARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
204.209.208.0/21AS6327 SHAWARINShaw CommunicationsMNT-RCC-291
204.209.208.0/21AS10482 SHAW-COMMUNICATIONSARINShaw CommunicationsMNT-RCC-291
204.209.208.0/21AS6327 SHAWRADBNETBLK-SHAW-COMM Shaw CommunicationsMAINT-AS812
More specific

Prefixes inside 204.209.208.0/21

3 announced prefixes fall inside this one.

Show the 3 prefixes
204.209.208.0/22 AS10482 SHAW-COMMUNICATIONS204.209.208.0/24 AS10482 SHAW-COMMUNICATIONS204.209.212.0/23 AS10482 SHAW-COMMUNICATIONS
Tools

Check 204.209.208.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API