ResearchRouting table, looking glass, RPKI & IRR

121.127.56.0/21 Windstream Communications LLC

Announced by AS7029 Windstream Communications LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 121.127.56.0/21

Prefix
121.127.56.0/21
Origin
AS7029 WINDSTREAM
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-15 12:02 UTC
Paths

How 121.127.56.0/21 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 7029
OriginAS7029 Windstream Communications LLC
Origin codeIGP
Communities7029:260 7029:1018 36601:150 36601:2001 36601:13760
Updated1d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029
OriginAS7029 Windstream Communications LLC
Origin codeIGP
Communities903:900 903:13760
Updated7d 20h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7029
OriginAS7029 Windstream Communications LLC
Origin codeIGP
Communities36295:100
Updated7d 20h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7029
OriginAS7029 Windstream Communications LLC
Origin codeIGP
Communitiesnone
Updated7d 20h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 7029
OriginAS7029 Windstream Communications LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated11d 14h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS7029 to originate 121.127.56.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
121.127.56.0/21/24AS7018 ATT-INTERNET4RIPE
121.127.56.0/21/24AS7029 WINDSTREAMRIPE
121.127.56.0/21/24AS7843 TWC-7843-BBRIPE
121.127.56.0/21/24AS20115 CHARTER-20115RIPE
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
121.127.56.0/21AS20115 CHARTER-20115RADBRACKDOG - CarolinasMAINT-CHTR-WD
121.127.56.0/21AS7018 ATT-INTERNET4RIPENLIR-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 121.127.56.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API