HomeASN LookupAS5739

AS5739

🇺🇸

UCSC - University of California, Santa Cruz1267efcae083f146a784e3070abf17fa

ARINassigned
Announced Prefixes (BGP)
3total
2 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)66,048
Announced (BGP)131,072
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
9/13/1995

Announced Prefixes

(BGP)3
|
Prefix
RPKI
IRR
Last Seen
128.114.0.0/16
No ROA
RADB
5/25/2026
169.233.0.0/16
No ROA
RADB
5/25/2026
2607:f5f0::/32
 Valid
ARINRADB
5/25/2026

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
128.114.0.0/16🇺🇸 USARINallocated
192.35.220.0/24🇺🇸 USARINallocated
192.35.223.0/24🇺🇸 USARINallocated
2607:f5f0::/32🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/5739

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

curl -s "https://api.ipctl.io/v1/asn/5739" | jq