ResearchRouting table, looking glass, RPKI & IRR

199.187.64.0/21 Premera Blue Cross

Announced by AS399776 Premera Blue Cross. RPKI not found Seen by 5 of our 5 looking glass sessions.

What the table says about 199.187.64.0/21

Origin
AS399776 PBC-SEA-WA-POP
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
4
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-13 12:02 UTC

How 199.187.64.0/21 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 1828 14744 399776×3
OriginAS399776 Premera Blue Cross
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 9h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 1828 14744 399776×3
OriginAS399776 Premera Blue Cross
Origin codeIGP
Communities903:900 903:13760
Updated5d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1828 14744 399776×3
OriginAS399776 Premera Blue Cross
Origin codeIGP
Communities36295:100
Updated5d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 1828 14744 399776×3
OriginAS399776 Premera Blue Cross
Origin codeIGP
Communitiesnone
Updated5d 17h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 1828 14744 399776×3
OriginAS399776 Premera Blue Cross
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 10h ago

Route origin authorizations

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

Route objects

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

RouteOriginSourceDescriptionMaintained by
199.187.64.0/21AS395778 PBC-QNC-WAARINQNC Address GroupMNT-PBC-39
199.187.64.0/21AS395776 FEDERAL-ONLINE-GROUP-LLCRADBPNAP-SEF Premera Blue CrossMAINT-AS1828
199.187.64.0/21AS395778 PBC-QNC-WARADBPNAP-DAL PREMERA BLUE CROSSMAINT-AS1828
199.187.64.0/21AS399776 PBC-SEA-WA-POPRADBPNAP-SEF PREMERA BLUE CROSSMAINT-AS1828

Prefixes inside 199.187.64.0/21

4 announced prefixes fall inside this one.

Show the 4 prefixes

Check 199.187.64.0/21 live