ResearchRouting table, looking glass, RPKI & IRR

208.72.64.0/21 Glenwood Springs Community Broadband Network

Announced by AS40284 Glenwood Springs Community Broadband Network. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 208.72.64.0/21

Prefix
208.72.64.0/21
Origin
AS40284 GSCBN
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
8
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 208.72.64.0/21 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 13760 6939 10835 40284
OriginAS40284 Glenwood Springs Community Broadband Network
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated4d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 10835 40284
OriginAS40284 Glenwood Springs Community Broadband Network
Origin codeIGP
Communities903:900 903:13760
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 10835 40284
OriginAS40284 Glenwood Springs Community Broadband Network
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 10835 40284
OriginAS40284 Glenwood Springs Community Broadband Network
Origin codeIGP
Communitiesnone
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7922 33652 40284
OriginAS40284 Glenwood Springs Community Broadband Network
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated3d 15h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS40284 to originate 208.72.64.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
208.72.64.0/21/24AS40284 GSCBNARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
208.72.64.0/21AS40284 GSCBNARIN101 W. 8th Street Glenwood Springs CO 81601 United StatesMNT-CGS-40
208.72.64.0/21AS40284 GSCBNRADBPNAP-DEN glenwoodMAINT-AS1828
More specific

Prefixes inside 208.72.64.0/21

8 announced prefixes fall inside this one.

Show the 8 prefixes
208.72.64.0/24 AS40284 GSCBN208.72.65.0/24 AS40284 GSCBN208.72.66.0/24 AS40284 GSCBN208.72.67.0/24 AS40284 GSCBN208.72.68.0/24 AS40284 GSCBN208.72.69.0/24 AS40284 GSCBN208.72.70.0/24 AS40284 GSCBN208.72.71.0/24 AS40284 GSCBN
Tools

Check 208.72.64.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API