HomePrefix Lookup144.121.64.0/18

144.121.64.0/18

🇺🇸
IPv4ARINannouncedAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA
CIDR
144.121.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
144.121.64.0/18AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA
RADB
5/31/2026

Covering Prefix

21 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
144.121.0.0/16AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.80.0/20AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.64.0/20AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.124.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.96.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.100.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.104.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.112.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.116.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.120.0/22AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.73.0/24AS7029WINDSTREAM - Windstream Communications LLCNo ROA—5/31/2026
144.121.107.0/24AS7046RFC2270-UUNET-CUSTOMER - Verizon BusinessNo ROA—5/31/2026
144.121.113.0/24AS21751OWL-CREEK-ASSET-MANAGEMENT - Owl Creek Asset Management, L.P.No ROA—5/31/2026
144.121.102.0/24AS21821MMAHS-01 - Montefiore Medical CenterNo ROA—5/31/2026
144.121.104.0/24AS21821MMAHS-01 - Montefiore Medical CenterNo ROA—5/31/2026
144.121.120.0/24AS23359WLNYASN - WLNY-TV IncNo ROA—5/31/2026
144.121.86.0/24AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.73.0/24AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.116.0/24AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCNo ROA—5/31/2026
144.121.89.0/24AS62678HORACEMANNSCHOOL - Horace Mann SchoolNo ROA—5/31/2026
144.121.95.0/24AS63329MARCUM-LLP - Marcum LLPNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS46887RADBMAINT-AS275065/23/2025
Origin ASN
AS46887
CROWNCASTLE-AS46887 - Crown Castle Fiber LLC
Geolocation
Country🇺🇸United StatesUS
RegionNew York
CityNew York
Coordinates40.7521, -73.9802 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/144.121.64.0/18

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/144.121.64.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP