HomeASN LookupAS81

AS81

🇺🇸

NCREN - MCNC3926e0967b7cac66104b51c8e954e19d

ARINassigned
Announced Prefixes (BGP)
147total
143 IPv44 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)2.3M
Announced (BGP)2.2M
IPv6 Addresses ⓘ
Allocated (RIR)6.1×10^26
Announced (BGP)1.3×10^30
Prefix Limit (IPv4)
5,000
Prefix Limit (IPv6)
20
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
8/7/1986

Announced Prefixes

(BGP)147
|
Prefix
RPKI
IRR
Last Seen
128.109.0.0/16
 Valid
ARIN
5/11/2026
152.4.0.0/16
No ROA
RADB
5/11/2026
152.6.0.0/16
No ROA
ARIN
5/11/2026
152.8.0.0/16
No ROA
RADB
5/11/2026
152.9.0.0/16
No ROA
RADB
5/11/2026
152.10.0.0/16
No ROA
RADB
5/11/2026
152.11.0.0/16
No ROA
ARIN
5/11/2026
152.12.0.0/16
No ROA
ARIN
5/11/2026
152.18.0.0/16
No ROA
RADB
5/11/2026
152.20.0.0/16
No ROA
RADB
5/11/2026
1–10 of 147
1 / 15

Allocated Prefixes

(RIR)57
Prefix
Country
RIR
Status
128.109.0.0/16🇺🇸 USARINallocated
152.4.0.0/16🇺🇸 USARINallocated
152.6.0.0/16🇺🇸 USARINallocated
152.8.0.0/16🇺🇸 USARINallocated
152.9.0.0/16🇺🇸 USARINallocated
152.10.0.0/16🇺🇸 USARINallocated
152.11.0.0/16🇺🇸 USARINallocated
152.12.0.0/16🇺🇸 USARINallocated
152.14.0.0/16🇺🇸 USARINallocated
152.16.0.0/16🇺🇸 USARINallocated
1–10 of 57
1 / 6
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/81

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

curl -s "https://api.ipctl.io/v1/asn/81" | jq