HomeASN LookupAS16

AS16

🇺🇸

LBL - Lawrence Berkeley National Laboratoryfc522e552438790b6fee7a31f0a9af2e

ARINassigned
Announced Prefixes (BGP)
5total
4 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)131,840
Announced (BGP)131,584
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
—

Announced Prefixes

(BGP)5
|
Prefix
RPKI
IRR
Last Seen
128.3.0.0/16
No ROA
RADB
5/25/2026
131.243.0.0/16
No ROA
RADB
5/25/2026
131.243.135.0/24
No ROA—5/25/2026
131.243.165.0/24
No ROA—5/25/2026
2620:83:8000::/48
No ROA
RADB
5/25/2026

Allocated Prefixes

(RIR)5
Prefix
Country
RIR
Status
128.3.0.0/16🇺🇸 USARINallocated
131.243.0.0/16🇺🇸 USARINallocated
192.12.173.0/24🇺🇸 USARINallocated
192.58.231.0/24🇺🇸 USARINallocated
204.62.155.0/24🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/16

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

curl -s "https://api.ipctl.io/v1/asn/16" | jq