ResearchRouting table, looking glass, RPKI & IRR

207.255.0.0/21 Breezeline

Announced by AS11776 Breezeline. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 207.255.0.0/21

Prefix
207.255.0.0/21
Origin
AS11776 ATLANTICBB-JOHNSTOWN
RPKI
RPKI valid
Size
2,048 addresses
Less specific
207.255.0.0/18 AS11776 ATLANTICBB-JOHNSTOWN
More specifics
7
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 207.255.0.0/21 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 11776
OriginAS11776 Breezeline
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 19h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 11776
OriginAS11776 Breezeline
Origin codeIGP
Communities903:900 903:13760
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11776
OriginAS11776 Breezeline
Origin codeIGP
Communities36295:100
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11776
OriginAS11776 Breezeline
Origin codeIGP
Communitiesnone
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 11776
OriginAS11776 Breezeline
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 20h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS11776 to originate 207.255.0.0/21 up to /21. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
207.255.0.0/21/21AS11776 ATLANTICBB-JOHNSTOWNARIN
207.255.0.0/18/18AS11776 ATLANTICBB-JOHNSTOWNARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
207.255.0.0/21AS11776 ATLANTICBB-JOHNSTOWNARINBreezelineMNT-ATLAN-19
207.255.0.0/18 coveringAS11776 ATLANTICBB-JOHNSTOWNARINBreezelineMNT-ATLAN-19
207.255.0.0/18 coveringAS11776 ATLANTICBB-JOHNSTOWNLEVEL3207-255-0-0-JST-PAABF-MNT
207.255.0.0/17 coveringAS11776 ATLANTICBB-JOHNSTOWNLEVEL3207-255-0-0-17-JST-PAABF-MNT
207.255.0.0/16 coveringAS11776 ATLANTICBB-JOHNSTOWNRADBAtlantic BroadbandMAINT-AS11776
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

207.255.0.0/18 AS11776 ATLANTICBB-JOHNSTOWN
More specific

Prefixes inside 207.255.0.0/21

7 announced prefixes fall inside this one.

Show the 7 prefixes
207.255.0.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.1.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.2.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.4.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.5.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.6.0/24 AS11776 ATLANTICBB-JOHNSTOWN207.255.7.0/24 AS11776 ATLANTICBB-JOHNSTOWN
Tools

Check 207.255.0.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API