ResearchRouting table, looking glass, RPKI & IRR

66.187.224.0/21 Red Hat, Inc.

Announced by AS22753 Red Hat, Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 66.187.224.0/21

Prefix
66.187.224.0/21
Origin
AS22753 REDHAT-0
RPKI
RPKI not found
Size
2,048 addresses
Less specific
66.187.224.0/20 AS22753 REDHAT-0
More specifics
0
IRR route objects
3 exact, 5 covering
In RouteViews
2026-10-16 00:02 UTC
Paths

How 66.187.224.0/21 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 6461 46887 22753
OriginAS22753 Red Hat, Inc.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated8d 0h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 22753
OriginAS22753 Red Hat, Inc.
Origin codeIGP
Communities903:900 903:13760
Updated8d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887 22753
OriginAS22753 Red Hat, Inc.
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated1d 10h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 6461 46887 22753
OriginAS22753 Red Hat, Inc.
Origin codeIGP
Communities174:21000 174:22013
Updated8d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 46887 22753
OriginAS22753 Red Hat, Inc.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated12d 1h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
66.187.224.0/21AS31976 REDHAT-0ARINRed Hat, Inc.MNT-REDHAT-1
66.187.224.0/21AS31976 REDHAT-0RADBPNAP-PHX003MAINT-AS1828
66.187.224.0/21AS46887 CROWNCASTLE-AS46887RADBNMAINT-AS27506
66.187.224.0/20 coveringAS17314 REDHAT-HOSTEDARINRed Hat v4 supernetMNT-REDHAT-1
66.187.224.0/20 coveringAS22360 REDHAT-2ARINRed Hat, Inc. v4 supernet.MNT-REDHAT-1
66.187.224.0/20 coveringAS22753 REDHAT-0ARINRed Hat, Inc.MNT-REDHAT-1
66.187.224.0/20 coveringAS31976 REDHAT-0ARINRed Hat, Inc.MNT-REDHAT-1
66.187.224.0/20 coveringAS22753 REDHAT-0RADBRR-RC-Red Hat-RaleighMAINT-RR
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

66.187.224.0/20 AS22753 REDHAT-0
Tools

Check 66.187.224.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API