ResearchRouting table, looking glass, RPKI & IRR

64.72.64.0/19 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 64.72.64.0/19

Prefix
64.72.64.0/19
Origin
AS46887 CROWNCASTLE-AS46887
RPKI
RPKI not found
Size
8,192 addresses
Less specific
none
More specifics
18
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 04:03 UTC
Paths

How 64.72.64.0/19 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
Updated4d 3h 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
Updated4d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities36295:100
Updated4d 11h 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
Updated4d 11h 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
Updated8d 5h 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
64.72.64.0/19AS46887 CROWNCASTLE-AS46887ALTDBProxy registration to prevent harm from ARIN-NONAUTH shutdownMAINT-AS7034
64.72.64.0/19AS46887 CROWNCASTLE-AS46887RADBCrown Castle DirectMAINT-AS27506
More specific

Prefixes inside 64.72.64.0/19

18 announced prefixes fall inside this one.

Show the 18 prefixes
64.72.64.0/22 AS46887 CROWNCASTLE-AS4688764.72.68.0/23 AS46887 CROWNCASTLE-AS4688764.72.70.0/24 AS399703 NYS-BRIDGE-AUTHORITY64.72.72.0/24 AS46887 CROWNCASTLE-AS4688764.72.74.0/23 AS46887 CROWNCASTLE-AS4688764.72.76.0/24 AS46887 CROWNCASTLE-AS4688764.72.77.0/24 AS46887 CROWNCASTLE-AS4688764.72.78.0/24 AS46887 CROWNCASTLE-AS4688764.72.79.0/24 AS12184 FORRESTER-RESEARCH64.72.80.0/24 AS400608 PETDW-MERGECO-0164.72.81.0/24 AS46887 CROWNCASTLE-AS4688764.72.82.0/24 AS53778 BCML-ASN64.72.83.0/24 AS29905 BAIN-CAPITAL64.72.84.0/22 AS46887 CROWNCASTLE-AS4688764.72.88.0/23 AS46887 CROWNCASTLE-AS4688764.72.93.0/24 AS46887 CROWNCASTLE-AS4688764.72.94.0/24 AS33493 HUDSON-VALLEY-FEDERAL-CREDIT-UNION64.72.95.0/24 AS46887 CROWNCASTLE-AS46887
Tools

Check 64.72.64.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API