ResearchRouting table, looking glass, RPKI & IRR

151.181.64.0/19 Crown Castle Fiber LLC

Announced by AS46887 Crown Castle Fiber LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 151.181.64.0/19

Prefix
151.181.64.0/19
Origin
AS46887 CROWNCASTLE-AS46887
RPKI
RPKI not found
Size
8,192 addresses
Less specific
none
More specifics
22
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-13 12:02 UTC
Paths

How 151.181.64.0/19 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 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities903:900 903:13760
Updated5d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated57m 45s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities174:21000 174:22013
Updated5d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 12h 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
151.181.64.0/19AS16657 CROWNCASTLE-AS16657RADBFibertechMAINT-AS27506
151.181.0.0/16 coveringAS22684 SSIMICRORADBCENTRILOGIC INCMAINT-AS852
More specific

Prefixes inside 151.181.64.0/19

22 announced prefixes fall inside this one.

Show the 22 prefixes
151.181.64.0/22 AS46887 CROWNCASTLE-AS46887151.181.64.0/23 AS46887 CROWNCASTLE-AS46887151.181.66.0/23 AS46887 CROWNCASTLE-AS46887151.181.68.0/22 AS46887 CROWNCASTLE-AS46887151.181.68.0/23 AS46887 CROWNCASTLE-AS46887151.181.70.0/24 AS46887 CROWNCASTLE-AS46887151.181.72.0/22 AS46887 CROWNCASTLE-AS46887151.181.72.0/24 AS46887 CROWNCASTLE-AS46887151.181.73.0/24 AS46887 CROWNCASTLE-AS46887151.181.74.0/23 AS46887 CROWNCASTLE-AS46887151.181.76.0/22 AS46887 CROWNCASTLE-AS46887151.181.80.0/22 AS46887 CROWNCASTLE-AS46887151.181.84.0/23 AS46887 CROWNCASTLE-AS46887151.181.86.0/24 AS46887 CROWNCASTLE-AS46887151.181.87.0/24 AS46887 CROWNCASTLE-AS46887151.181.88.0/23 AS46887 CROWNCASTLE-AS46887151.181.88.0/24 AS17096 SUMMITRACING151.181.90.0/23 AS46887 CROWNCASTLE-AS46887151.181.90.0/24 AS46887 CROWNCASTLE-AS46887151.181.91.0/24 AS46887 CROWNCASTLE-AS46887151.181.92.0/24 AS46887 CROWNCASTLE-AS46887151.181.94.0/23 AS46887 CROWNCASTLE-AS46887
Tools

Check 151.181.64.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API