HomeASN LookupAS166

AS166

🇺🇸

IDA-AS - Institute for Defense Analysesd8f04d1657b952084bc21f65d2c851f8

ARINassigned
Announced Prefixes (BGP)
18total
18 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)134,912
Announced (BGP)134,656
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
3/29/1988

Announced Prefixes

(BGP)18
|
Prefix
RPKI
IRR
Last Seen
129.246.0.0/17
No ROA—5/25/2026
129.246.101.0/24
No ROA—5/25/2026
129.246.128.0/17
No ROA—5/25/2026
129.246.225.0/24
No ROA—5/25/2026
129.246.228.0/24
No ROA—5/25/2026
129.246.229.0/24
No ROA—5/25/2026
129.246.230.0/24
No ROA—5/25/2026
129.246.235.0/24
No ROA—5/25/2026
129.246.243.0/24
No ROA—5/25/2026
129.246.253.0/24
No ROA—5/25/2026
1–10 of 18
1 / 2

Allocated Prefixes

(RIR)17
Prefix
Country
RIR
Status
129.246.0.0/16🇺🇸 USARINallocated
164.217.0.0/16🇺🇸 USARINallocated
192.231.39.0/24🇺🇸 USARINallocated
198.97.168.0/24🇺🇸 USARINallocated
198.97.169.0/24🇺🇸 USARINallocated
198.97.170.0/24🇺🇸 USARINallocated
198.97.171.0/24🇺🇸 USARINallocated
198.97.172.0/24🇺🇸 USARINallocated
198.97.173.0/24🇺🇸 USARINallocated
198.97.174.0/24🇺🇸 USARINallocated
1–10 of 17
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/166

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

curl -s "https://api.ipctl.io/v1/asn/166" | jq