ResearchRouting table, looking glass, RPKI & IRR

209.66.64.0/18 Zayo Bandwidth

Announced by AS6461 Zayo Bandwidth. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 209.66.64.0/18

Prefix
209.66.64.0/18
Origin
AS6461 ZAYO-6461
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
11
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 00:02 UTC
Paths

How 209.66.64.0/18 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
OriginAS6461 Zayo Bandwidth
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461
OriginAS6461 Zayo Bandwidth
Origin codeIGP
Communities903:900 903:13760
Updated6d 6h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461
OriginAS6461 Zayo Bandwidth
Origin codeIGP
Communities6461:5999 36295:100 36295:6461
Updated12h 3m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 6461
OriginAS6461 Zayo Bandwidth
Origin codeIGP
Communities174:21000 174:22013
Updated6d 6h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461
OriginAS6461 Zayo Bandwidth
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 23h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS6461 to originate 209.66.64.0/18 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
209.66.64.0/18/18AS6461 ZAYO-6461ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
209.66.64.0/18AS6461 ZAYO-6461ARINZayo GroupMNT-ZAYOB
More specific

Prefixes inside 209.66.64.0/18

11 announced prefixes fall inside this one.

Show the 11 prefixes
209.66.65.0/24 AS7752 THRES209.66.73.0/24 AS393948 GSUSA420209.66.89.0/24 AS22509 BANFIELD209.66.90.0/24 AS17245 APEX209.66.93.0/24 AS40920209.66.100.0/23 AS3925 ICO-SV209.66.103.0/24 AS13431 MILLENNIUM-AS209.66.107.0/24 AS40934 FORTINET209.66.116.0/24 AS14011 DESIGNDATA209.66.119.0/24 AS47074 AEG209.66.124.0/24 AS25906 IVGNCB
Tools

Check 209.66.64.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API