HomeASN LookupAS21951

AS21951

🇺🇸

STOLAF - St. Olaf College74ac33036393b875054d9edcdaecc8b6

ARINassigned
Announced Prefixes (BGP)
3total
2 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)2,048
Announced (BGP)2,048
IPv6 Addresses ⓘ
Allocated (RIR)3×10^26
Announced (BGP)3×10^26
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
7/17/2001

Announced Prefixes

(BGP)3
|
Prefix
RPKI
IRR
Last Seen
162.210.88.0/22
No ROA
ARIN
5/25/2026
199.91.180.0/22
No ROA
ARIN
5/25/2026
2620:132:b000::/40
No ROA
ARIN
5/25/2026

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
162.210.88.0/22🇺🇸 USARINallocated
199.91.180.0/22🇺🇸 USARINallocated
2620:132:b000::/40🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21951

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

curl -s "https://api.ipctl.io/v1/asn/21951" | jq