ResearchRouting table, looking glass, RPKI & IRR

198.66.0.0/16 NTT America, Inc.

Announced by AS2914 NTT America, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 198.66.0.0/16

Prefix
198.66.0.0/16
Origin
AS2914 NTT-DATA-2914
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
8
IRR route objects
9 exact, 0 covering
In RouteViews
2026-10-14 08:02 UTC
Paths

How 198.66.0.0/16 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 2914
OriginAS2914 NTT America, Inc.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated6d 8h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914
OriginAS2914 NTT America, Inc.
Origin codeIGP
Communities903:900 903:13760
Updated6d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 2914
OriginAS2914 NTT America, Inc.
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated22h 34m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 2914
OriginAS2914 NTT America, Inc.
Origin codeIGP
Communities174:21000 174:22013
Updated6d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 2914
OriginAS2914 NTT America, Inc.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 9h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS2914 to originate 198.66.0.0/16 up to /16. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
198.66.0.0/16/24AS174 COGENT-174ARIN
198.66.0.0/16/24AS1299 TWELVE99ARIN
198.66.0.0/16/16AS2914 NTT-DATA-2914ARIN
198.66.0.0/16/24AS3257 GTT-BACKBONEARIN
198.66.0.0/16/24AS3320 DTAGARIN
198.66.0.0/16/24AS6079 RCN-ASARIN
198.66.0.0/16/24AS7018 ATT-INTERNET4ARIN
198.66.0.0/16/24AS7029 WINDSTREAMARIN
198.66.0.0/16/24AS7843 TWC-7843-BBARIN
198.66.0.0/16/24AS11404 AS-WAVE-1ARIN
198.66.0.0/16/24AS20115 CHARTER-20115ARIN
198.66.0.0/16/24AS398465 RACKDOG-LLCARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
198.66.0.0/16AS1299 TWELVE99NTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS2914 NTT-DATA-2914NTTCOMNTTA-198-066MAINT-NTTCOM-BB
198.66.0.0/16AS3257 GTT-BACKBONENTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS6079 RCN-ASNTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS7029 WINDSTREAMNTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS7843 TWC-7843-BBNTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS11404 AS-WAVE-1NTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS20115 CHARTER-20115NTTCOMRackdogMAINT-NTTCOM-BB
198.66.0.0/16AS398465 RACKDOG-LLCNTTCOMRackdogMAINT-NTTCOM-BB
More specific

Prefixes inside 198.66.0.0/16

8 announced prefixes fall inside this one.

Show the 8 prefixes
198.66.0.0/19 AS6079 RCN-AS198.66.32.0/19 AS6079 RCN-AS198.66.64.0/19 AS6079 RCN-AS198.66.96.0/19 AS6079 RCN-AS198.66.128.0/19 AS6079 RCN-AS198.66.160.0/19 AS6079 RCN-AS198.66.192.0/19 AS11404 AS-WAVE-1198.66.224.0/19 AS11404 AS-WAVE-1
Tools

Check 198.66.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API