HomeASN LookupAS21547

AS21547

🇺🇸

OXNET - FirstLight Fiber, Inc.f57036a35d7ca2fe0cdb1fbfcb5d2012

ARINassigned
Announced Prefixes (BGP)
74total
69 IPv45 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)65,536
Announced (BGP)105,984
IPv6 Addresses ⓘ
Allocated (RIR)1.5×10^29
Announced (BGP)1.5×10^29
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
20
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
5/21/2001

Announced Prefixes

(BGP)74
|
Prefix
RPKI
IRR
Last Seen
63.127.192.0/21
No ROA
ARIN
5/25/2026
64.140.192.0/18
 Valid
ARIN
5/25/2026
64.140.199.0/24
 Valid
ARIN
5/25/2026
64.140.224.0/19
 Valid
ARIN
5/25/2026
64.140.224.0/24
 Valid
ARIN
5/25/2026
64.140.225.0/24
 Valid
ARIN
5/25/2026
64.140.234.0/24
 Valid
ARIN
5/25/2026
64.140.246.0/24
 Valid
ARIN
5/25/2026
66.186.160.0/19
 Valid
ARINRADB
5/25/2026
66.186.162.0/24
 Valid
ARIN
5/25/2026
1–10 of 74
1 / 8

Allocated Prefixes

(RIR)10
Prefix
Country
RIR
Status
64.140.192.0/18🇺🇸 USARINallocated
66.186.160.0/19🇺🇸 USARINallocated
66.231.192.0/19🇺🇸 USARINallocated
69.49.128.0/19🇺🇸 USARINallocated
69.168.0.0/20🇺🇸 USARINallocated
72.12.64.0/19🇺🇸 USARINallocated
72.55.224.0/19🇺🇸 USARINallocated
74.220.224.0/20🇺🇸 USARINallocated
2001:4940::/32🇺🇸 USARINallocated
2604:3f00::/32🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21547

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

curl -s "https://api.ipctl.io/v1/asn/21547" | jq