ResearchRouting table, looking glass, RPKI & IRR

157.238.0.0/16 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 157.238.0.0/16

Prefix
157.238.0.0/16
Origin
AS2914 NTT-DATA-2914
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
19
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths

How 157.238.0.0/16 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 14h 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 22h 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
Updated32m 0s 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 22h 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 16h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS2914 to originate 157.238.0.0/16 up to /16. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
157.238.0.0/16/16AS2914 NTT-DATA-2914ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
157.238.0.0/16AS2914 NTT-DATA-2914NTTCOMNTT-BB-1MAINT-NTTCOM-BB
More specific

Prefixes inside 157.238.0.0/16

19 announced prefixes fall inside this one.

Show the 19 prefixes
157.238.0.0/18 AS6079 RCN-AS157.238.80.0/20 AS18731 CITYSIDE-01157.238.96.0/19 AS203020 HostRoyale157.238.136.0/21 AS19693 CENTRILOGIC-ASN157.238.172.0/24 AS148996 GCNL-AS-AP157.238.174.0/24 AS148996 GCNL-AS-AP157.238.175.0/24 AS214432 NTT-Communications-Corporation157.238.180.0/22 AS3491 PCCWG-APAC-HK157.238.211.0/24 AS393536 NTTDATA-RAGINGWIRE157.238.240.0/24 AS148996 GCNL-AS-AP157.238.241.0/24 AS148996 GCNL-AS-AP157.238.242.0/24 AS148996 GCNL-AS-AP157.238.243.0/24 AS148996 GCNL-AS-AP157.238.244.0/24 AS214432 NTT-Communications-Corporation157.238.245.0/24 AS214432 NTT-Communications-Corporation157.238.246.0/24 AS148996 GCNL-AS-AP157.238.247.0/24 AS148996 GCNL-AS-AP157.238.250.0/24 AS152179 GCNL-AS-AP157.238.251.0/24 AS152179 GCNL-AS-AP
Tools

Check 157.238.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API