ResearchRouting table, looking glass, RPKI & IRR

144.121.0.0/16 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 144.121.0.0/16

Prefix
144.121.0.0/16
Origin
AS46887 CROWNCASTLE-AS46887
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
75
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths

How 144.121.0.0/16 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 6461 46887
OriginAS46887 Crown Castle Fiber LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated7d 15h 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
Updated7d 23h 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
Updated1d 1h 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
Updated7d 23h 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 19h 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
144.121.0.0/16AS46887 CROWNCASTLE-AS46887RADBCrown Castle DirectMAINT-AS27506
More specific

Prefixes inside 144.121.0.0/16

75 announced prefixes fall inside this one.

Show the 75 prefixes
144.121.0.0/18 AS46887 CROWNCASTLE-AS46887144.121.0.0/22 AS46887 CROWNCASTLE-AS46887144.121.4.0/22 AS46887 CROWNCASTLE-AS46887144.121.8.0/22 AS46887 CROWNCASTLE-AS46887144.121.12.0/22 AS46887 CROWNCASTLE-AS46887144.121.16.0/22 AS46887 CROWNCASTLE-AS46887144.121.20.0/22 AS46887 CROWNCASTLE-AS46887144.121.24.0/22 AS46887 CROWNCASTLE-AS46887144.121.27.0/24 AS15027 FH-ASN-15027144.121.28.0/22 AS46887 CROWNCASTLE-AS46887144.121.30.0/24 AS62653 HARRG-CHESHIRE144.121.32.0/21 AS46887 CROWNCASTLE-AS46887144.121.40.0/24 AS46887 CROWNCASTLE-AS46887144.121.41.0/24 AS46887 CROWNCASTLE-AS46887144.121.43.0/24 AS64293 MHB-AS1144.121.44.0/22 AS46887 CROWNCASTLE-AS46887144.121.48.0/20 AS46887 CROWNCASTLE-AS46887144.121.49.0/24 AS46887 CROWNCASTLE-AS46887144.121.61.0/24 AS27015 FMCH-27015144.121.64.0/18 AS46887 CROWNCASTLE-AS46887144.121.64.0/20 AS46887 CROWNCASTLE-AS46887144.121.73.0/24 AS46887 CROWNCASTLE-AS46887144.121.80.0/20 AS46887 CROWNCASTLE-AS46887144.121.86.0/24 AS46887 CROWNCASTLE-AS46887144.121.89.0/24 AS62678 HORACEMANNSCHOOL144.121.95.0/24 AS63329 MARCUM-LLP144.121.96.0/22 AS46887 CROWNCASTLE-AS46887144.121.100.0/22 AS46887 CROWNCASTLE-AS46887144.121.102.0/24 AS21821 MMAHS-01144.121.104.0/22 AS46887 CROWNCASTLE-AS46887144.121.104.0/24 AS21821 MMAHS-01144.121.107.0/24 AS7046 RFC2270-UUNET-CUSTOMER144.121.112.0/22 AS46887 CROWNCASTLE-AS46887144.121.113.0/24 AS21751 OWL-CREEK-ASSET-MANAGEMENT144.121.116.0/22 AS46887 CROWNCASTLE-AS46887144.121.116.0/24 AS46887 CROWNCASTLE-AS46887144.121.120.0/22 AS46887 CROWNCASTLE-AS46887144.121.120.0/24 AS23359 WLNYASN144.121.124.0/22 AS46887 CROWNCASTLE-AS46887144.121.128.0/19 AS46887 CROWNCASTLE-AS46887144.121.128.0/22 AS46887 CROWNCASTLE-AS46887144.121.136.0/24 AS19111 NBTY1911144.121.138.0/24 AS46887 CROWNCASTLE-AS46887144.121.141.0/24 AS29905 BAIN-CAPITAL144.121.143.0/24 AS46887 CROWNCASTLE-AS46887144.121.144.0/22 AS46887 CROWNCASTLE-AS46887144.121.148.0/22 AS46887 CROWNCASTLE-AS46887144.121.148.0/24 AS30183 HRCAC-1144.121.154.0/24 AS46887 CROWNCASTLE-AS46887144.121.156.0/24 AS46887 CROWNCASTLE-AS46887144.121.158.0/23 AS46887 CROWNCASTLE-AS46887144.121.160.0/19 AS46887 CROWNCASTLE-AS46887144.121.160.0/22 AS46887 CROWNCASTLE-AS46887144.121.168.0/22 AS46887 CROWNCASTLE-AS46887144.121.176.0/22 AS46887 CROWNCASTLE-AS46887144.121.180.0/24 AS19600 NCH-AS144.121.192.0/18 AS46887 CROWNCASTLE-AS46887144.121.192.0/22 AS46887 CROWNCASTLE-AS46887144.121.196.0/22 AS46887 CROWNCASTLE-AS46887144.121.200.0/22 AS46887 CROWNCASTLE-AS46887144.121.204.0/22 AS46887 CROWNCASTLE-AS46887144.121.207.0/24 AS46887 CROWNCASTLE-AS46887144.121.208.0/22 AS46887 CROWNCASTLE-AS46887144.121.212.0/22 AS46887 CROWNCASTLE-AS46887144.121.216.0/22 AS46887 CROWNCASTLE-AS46887144.121.217.0/24 AS53592 KEPOS144.121.220.0/22 AS46887 CROWNCASTLE-AS46887144.121.224.0/22 AS46887 CROWNCASTLE-AS46887144.121.224.0/24 AS396894144.121.236.0/22 AS46887 CROWNCASTLE-AS46887144.121.239.0/24 AS46887 CROWNCASTLE-AS46887144.121.240.0/22 AS46887 CROWNCASTLE-AS46887144.121.244.0/22 AS46887 CROWNCASTLE-AS46887144.121.248.0/22 AS46887 CROWNCASTLE-AS46887144.121.252.0/22 AS46887 CROWNCASTLE-AS46887
Tools

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