HomeASN LookupAS3598

AS3598

🇺🇸

MICROSOFT-CORP-AS - Microsoft Corporationb004b3ecde24c85e32c1923f10d3fb62

ARINassigned
Announced Prefixes (BGP)
26total
21 IPv45 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)197,632
Announced (BGP)611,328
IPv6 Addresses ⓘ
Allocated (RIR)1.5×10^29
Announced (BGP)2.3×10^29
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
20
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
5/18/1994

Announced Prefixes

(BGP)26
|
Prefix
RPKI
IRR
Last Seen
65.53.0.0/16
 Valid
RADB
5/25/2026
131.107.0.0/16
 Valid
RADB
5/25/2026
157.54.0.0/16
 Valid
RADB
5/25/2026
157.57.0.0/16
 Valid
RADB
5/25/2026
157.58.0.0/16
 Valid
RADB
5/25/2026
157.58.31.0/24
 Valid
RADB
5/25/2026
157.58.192.0/19
 Valid
RADB
5/25/2026
157.59.0.0/16
 Valid
RADB
5/25/2026
157.60.0.0/16
 Valid
RADB
5/25/2026
167.220.0.0/16
No ROA
RADB
5/25/2026
1–10 of 26
1 / 3

Allocated Prefixes

(RIR)9
Prefix
Country
RIR
Status
131.107.0.0/16🇺🇸 USARINallocated
157.60.0.0/16🇺🇸 USARINallocated
167.220.0.0/17🇺🇸 USARINallocated
167.220.128.0/18🇺🇸 USARINallocated
167.220.192.0/19🇺🇸 USARINallocated
194.69.96.0/19🇬🇧 GBRIPENCCassigned
198.105.232.0/22🇺🇸 USARINallocated
2404:f801::/32🇸🇬 SGAPNICallocated
2a01:110::/32🇬🇧 GBRIPEassigned
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/3598

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

curl -s "https://api.ipctl.io/v1/asn/3598" | jq