ResearchRouting table, looking glass, RPKI & IRR

216.231.18.0/23 Cox Communications Inc.

Announced by AS22773 Cox Communications Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 216.231.18.0/23

Origin
AS22773 ASN-CXA-ALL-CCI-22773-RDC
RPKI
RPKI valid
Size
512 addresses
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-13 17:13 UTC

How 216.231.18.0/23 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 3257 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated6h 29m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communities903:900 903:13760
Updated6h 29m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated6h 29m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communitiesnone
Updated6h 30m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated6h 30m ago

Route origin authorizations

Covered by a ROA authorizing AS22773 to originate 216.231.18.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
216.231.18.0/23/23AS22773 ASN-CXA-ALL-CCI-22773-RDCARIN
216.231.16.0/20/20AS22773 ASN-CXA-ALL-CCI-22773-RDCARIN
216.231.0.0/19/19AS22773 ASN-CXA-ALL-CCI-22773-RDCARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
216.231.18.0/23AS22773 ASN-CXA-ALL-CCI-22773-RDCRADBCox Aggregate Data-BusinessMAINT-AS22773
216.231.16.0/22 coveringAS16740 DX-SECURELEVEL3Proxy-registered route objectLEVEL3-MNT
216.231.16.0/20 coveringAS22773 ASN-CXA-ALL-CCI-22773-RDCRADBOC CBS TRANSITMAINT-AS22773

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 216.231.18.0/23 live