ResearchRouting table, looking glass, RPKI & IRR

199.12.0.0/16 Cox Communications Inc.

Announced by AS22773 Cox Communications Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 199.12.0.0/16

Prefix
199.12.0.0/16
Origin
AS22773 ASN-CXA-ALL-CCI-22773-RDC
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
10
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-12 16:02 UTC
Paths

How 199.12.0.0/16 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
Updated4d 13h 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
Updated4d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communities36295:100
Updated4d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 22773
OriginAS22773 Cox Communications Inc.
Origin codeIGP
Communitiesnone
Updated4d 22h 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
Updated8d 15h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
199.12.0.0/16AS22773 ASN-CXA-ALL-CCI-22773-RDCRADBNMAINT-AS398465
199.12.0.0/15 coveringAS174 COGENT-174ARINSprintLinkMNT-COGC
199.12.0.0/15 coveringAS1239 COGENT-1239ARINSprintLink Global NetworkMNT-COGC
More specific

Prefixes inside 199.12.0.0/16

10 announced prefixes fall inside this one.

Show the 10 prefixes
199.12.0.0/19 AS3491 PCCWG-APAC-HK199.12.0.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC199.12.32.0/19 AS20001 TWC-20001-PACWEST199.12.48.0/24 AS20001 TWC-20001-PACWEST199.12.64.0/19 AS20001 TWC-20001-PACWEST199.12.96.0/19 AS3491 PCCWG-APAC-HK199.12.128.0/19 AS3491 PCCWG-APAC-HK199.12.160.0/19 AS20001 TWC-20001-PACWEST199.12.192.0/19 AS20001 TWC-20001-PACWEST199.12.224.0/19 AS20001 TWC-20001-PACWEST
Tools

Check 199.12.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API