HomeASN LookupAS40509

AS40509

🇺🇸

FLY - Fly.io, Inc.ba6068e13fa0c17529b9acdcb3ec436e

ARINassigned
Announced Prefixes (BGP)
251total
181 IPv470 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)75,776
Announced (BGP)73,984
IPv6 Addresses ⓘ
Allocated (RIR)1.2×10^24
Announced (BGP)8.4×10^25
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
500
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
12/20/2017

Announced Prefixes

(BGP)251
|
Prefix
RPKI
IRR
Last Seen
37.16.0.0/23
 Valid
ARINRADB
5/26/2026
37.16.2.0/23
 Valid
ARINRADB
5/26/2026
37.16.4.0/23
 Valid
ARINRADB
5/26/2026
37.16.6.0/23
 Valid
ARINRADB
5/26/2026
37.16.8.0/23
 Valid
ARINRADB
5/26/2026
37.16.10.0/23
 Valid
ARINRADB
5/26/2026
37.16.12.0/23
 Valid
ARINRADB
5/26/2026
37.16.14.0/23
 Valid
ARINRADB
5/26/2026
37.16.16.0/23
 Valid
ARINRADB
5/26/2026
37.16.18.0/23
 Valid
ARINRADB
5/26/2026
1–10 of 251
1 / 26

Allocated Prefixes

(RIR)16
Prefix
Country
RIR
Status
37.16.0.0/19🇺🇸 USARINallocated
66.51.120.0/21🇺🇸 USARINallocated
66.241.112.0/20🇺🇸 USARINallocated
77.83.140.0/22🇺🇸 USRIPENCCallocated
109.105.216.0/21🇺🇸 USARINallocated
137.66.0.0/18🇺🇸 USARINallocated
149.248.192.0/19🇺🇸 USARINallocated
168.220.80.0/20🇺🇸 USARINallocated
169.155.48.0/20🇺🇸 USARINallocated
172.86.144.0/21🇺🇸 USARINallocated
1–10 of 16
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/40509

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

curl -s "https://api.ipctl.io/v1/asn/40509" | jq