ResearchRouting table, looking glass, RPKI & IRR

121.127.48.0/21 RCN

Announced by AS6079 RCN. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 121.127.48.0/21

Prefix
121.127.48.0/21
Origin
AS6079 RCN-AS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-14 08:02 UTC
Paths

How 121.127.48.0/21 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 6079
OriginAS6079 RCN
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated3h 54m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6079
OriginAS6079 RCN
Origin codeIGP
Communities903:900 903:13760
Updated6d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6079
OriginAS6079 RCN
Origin codeIGP
Communities36295:100
Updated6d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6079
OriginAS6079 RCN
Origin codeIGP
Communitiesnone
Updated6d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 6079
OriginAS6079 RCN
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 7h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS6079 to originate 121.127.48.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
121.127.48.0/21/24AS6079 RCN-ASRIPE
121.127.48.0/20/24AS6079 RCN-ASRIPE
121.127.48.0/20/24AS7018 ATT-INTERNET4RIPE
121.127.48.0/20/24AS22773 ASN-CXA-ALL-CCI-22773-RDCRIPE
121.127.48.0/20/24AS200598 lunarnautRIPE
121.127.48.0/20/24AS399955 BRCRUDE-NETWORKRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
121.127.48.0/21AS6079 RCN-ASRIPENLIR-US-LUNARNAUT-1-MNT
121.127.48.0/20 coveringAS22773 ASN-CXA-ALL-CCI-22773-RDCRADBNMAINT-AS393427
121.127.32.0/19 coveringAS38193 TWA-AS-APRADBTRANSWORLD via EMIXMAINT-AS8966
Tools

Check 121.127.48.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API