HomeASN LookupAS27311

AS27311

🇺🇸

AS27311 - Biogen MA Inc711a9d866e0a2b1b62f1f4a161a28c25

ARINassigned
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)1,280
Announced (BGP)1,024
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
11/5/2015

Announced Prefixes

(BGP)4
|
Prefix
RPKI
IRR
Last Seen
161.199.168.0/24
No ROA
ARIN
5/25/2026
161.199.170.0/24
No ROA
ARIN
5/25/2026
161.199.171.0/24
No ROA
ARIN
5/25/2026
198.180.131.0/24
No ROA
RADB
5/25/2026

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
161.199.168.0/22🇺🇸 USARINallocated
198.180.131.0/24🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/27311

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

curl -s "https://api.ipctl.io/v1/asn/27311" | jq