HomeASN LookupAS1657

AS1657

🇺🇸

LOUISVILLE - University of Louisville55f4a46983b53aafdebf5ddb57cfa6eb

ARINassigned
Announced Prefixes (BGP)
15total
14 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)65,536
Announced (BGP)196,864
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
3/4/1992

Announced Prefixes

(BGP)15
|
Prefix
RPKI
IRR
Last Seen
136.165.0.0/16
No ROA
ARIN
5/25/2026
136.165.0.0/18
No ROA
ARIN
5/25/2026
136.165.0.0/19
No ROA
ARIN
5/25/2026
136.165.32.0/19
No ROA
ARIN
5/25/2026
136.165.64.0/18
No ROA
ARIN
5/25/2026
136.165.64.0/19
No ROA
ARIN
5/25/2026
136.165.96.0/19
No ROA
ARIN
5/25/2026
136.165.128.0/18
No ROA
ARIN
5/25/2026
136.165.128.0/19
No ROA
ARIN
5/25/2026
136.165.160.0/19
No ROA
ARIN
5/25/2026
1–10 of 15
1 / 2

Allocated Prefixes

(RIR)1
Prefix
Country
RIR
Status
136.165.0.0/16🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/1657

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

curl -s "https://api.ipctl.io/v1/asn/1657" | jq