HomeASN LookupAS243

AS243

🇺🇸

HARRIS-ATD-AS - L3Harris Technologies, Inc.6af3dbdad10c06807d6a002a8ecb38b0

ARINassigned
Announced Prefixes (BGP)
134total
134 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)674,560
Announced (BGP)780,544
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
1,000
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
10/4/1988

Announced Prefixes

(BGP)131
|
Prefix
RPKI
IRR
Last Seen
128.170.0.0/16
No ROA
RADB
5/25/2026
128.170.88.0/24
No ROA—5/25/2026
128.170.89.0/24
No ROA—5/25/2026
137.237.0.0/16
No ROA
RADB
5/25/2026
137.237.26.0/24
No ROA
RADB
5/25/2026
137.237.200.0/24
No ROA
RADB
5/25/2026
138.254.0.0/16
No ROA
RADB
5/25/2026
141.199.0.0/16
No ROA
RADB
5/25/2026
141.199.129.0/24
No ROA—5/25/2026
142.65.0.0/16
No ROA
RADB
5/25/2026
1–10 of 131
1 / 14

Allocated Prefixes

(RIR)61
Prefix
Country
RIR
Status
128.170.0.0/16🇺🇸 USARINallocated
137.237.0.0/16🇺🇸 USARINallocated
138.254.0.0/16🇺🇸 USARINallocated
141.199.0.0/16🇺🇸 USARINallocated
142.65.0.0/16🇺🇸 USARINallocated
147.177.0.0/16🇺🇸 USARINallocated
148.104.0.0/16🇺🇸 USARINallocated
158.147.0.0/16🇺🇸 USARINallocated
159.62.0.0/16🇺🇸 USARINallocated
166.20.0.0/16🇺🇸 USARINallocated
1–10 of 61
1 / 7
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/243

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/243" | jq