HomeASN LookupAS2552

AS2552

🇺🇸

WUSTL-ASN - Washington University77cf484ac978334f0e6452b5e2fdb130

ARINassigned
Announced Prefixes (BGP)
5total
3 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)65,792
Announced (BGP)73,984
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)1.5×10^29
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
10
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
3/16/1993

Announced Prefixes

(BGP)5
|
Prefix
RPKI
IRR
Last Seen
65.254.96.0/19
 Valid
ARIN
5/17/2026
128.252.0.0/16
 Valid
ARINRADB
5/17/2026
192.31.46.0/24
 Valid
ARINRADB
5/17/2026
2604:3e00::/32
 Valid
RADB
5/17/2026
2606:fd80::/32
 Valid
ARINRADB
5/17/2026

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
128.252.0.0/16🇺🇸 USARINallocated
192.31.46.0/24🇺🇸 USARINallocated
2604:3e00::/32🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/2552

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

curl -s "https://api.ipctl.io/v1/asn/2552" | jq