HomeASN LookupAS25

AS25

🇺🇸

UCB - University of California at Berkeley0ff5138192264fa1fd501db4dff94093

ARINassigned
Announced Prefixes (BGP)
15total
13 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)135,680
Announced (BGP)206,080
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
10
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
8/3/1984

Announced Prefixes

(BGP)15
|
Prefix
RPKI
IRR
Last Seen
67.21.36.0/24
No ROA
RADB
5/25/2026
128.32.0.0/16
No ROA
RADB
5/25/2026
136.152.0.0/16
No ROA
RADB
5/25/2026
169.229.0.0/16
No ROA
RADB
5/25/2026
169.229.176.0/20
No ROA—5/25/2026
169.236.240.0/21
No ROA
RADB
5/25/2026
192.12.234.0/24
No ROA
RADB
5/25/2026
192.35.209.0/24
No ROA
RADB
5/25/2026
192.150.186.0/23
No ROA
RADB
5/25/2026
192.154.4.0/23
No ROA
RADB
5/25/2026
1–10 of 15
1 / 2

Allocated Prefixes

(RIR)19
Prefix
Country
RIR
Status
67.21.36.0/24🇺🇸 USARINallocated
128.32.0.0/16🇺🇸 USARINallocated
136.152.0.0/16🇺🇸 USARINallocated
192.12.234.0/24🇺🇸 USARINallocated
192.31.95.0/24🇺🇸 USARINallocated
192.31.105.0/24🇺🇸 USARINallocated
192.31.161.0/24🇺🇸 USARINallocated
192.58.221.0/24🇺🇸 USARINallocated
192.101.42.0/24🇺🇸 USARINallocated
192.107.8.0/24🇺🇸 USARINallocated
1–10 of 19
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/25

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

curl -s "https://api.ipctl.io/v1/asn/25" | jq