HomeASN LookupAS91

AS91

🇺🇸

RPI-AS - Rensselaer Polytechnic Instituteff6ac5f645baf315f14c6d2d9839f32d

ARINassigned
Announced Prefixes (BGP)
14total
12 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)264,960
Announced (BGP)330,496
IPv6 Addresses ⓘ
Allocated (RIR)1.2×10^24
Announced (BGP)2.4×10^24
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
10
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
11/18/1986

Announced Prefixes

(BGP)14
|
Prefix
RPKI
IRR
Last Seen
128.113.0.0/16
No ROA
RADB
5/27/2026
128.213.0.0/16
No ROA
RADB
5/27/2026
129.5.0.0/16
 Valid
ARIN
5/27/2026
129.161.0.0/16
 Valid
ARINRADB
5/27/2026
146.8.0.0/16
 Valid—5/27/2026
192.12.91.0/24
 Valid
RADB
5/27/2026
192.12.92.0/24
 Valid
RADB
5/27/2026
204.76.222.0/24
 Valid
ARIN
5/27/2026
204.76.223.0/24
 Valid
ARIN
5/27/2026
204.76.224.0/22
 Valid
ARINRADB
5/27/2026
1–10 of 14
1 / 2

Allocated Prefixes

(RIR)11
Prefix
Country
RIR
Status
128.113.0.0/16🇺🇸 USARINallocated
128.213.0.0/16🇺🇸 USARINallocated
129.161.0.0/16🇺🇸 USARINallocated
146.8.0.0/16🇺🇸 USARINallocated
192.12.91.0/24🇺🇸 USARINallocated
192.12.92.0/24🇺🇸 USARINallocated
204.76.222.0/23🇺🇸 USARINallocated
204.76.224.0/22🇺🇸 USARINallocated
204.76.228.0/23🇺🇸 USARINallocated
204.145.205.0/24🇺🇸 USARINallocated
1–10 of 11
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/91

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

curl -s "https://api.ipctl.io/v1/asn/91" | jq