HomeASN LookupAS3527

AS3527

🇺🇸

NIH-NET - National Institutes of Healthbf415d4b2902839463faa3a5b92ee4bd

ARINassigned
Announced Prefixes (BGP)
16total
15 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)327,424
Announced (BGP)345,856
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)3.8×10^25
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
4/7/1994

Announced Prefixes

(BGP)16
|
Prefix
RPKI
IRR
Last Seen
128.231.0.0/16
 Valid
ARINRADB
5/25/2026
128.231.3.0/24
 Valid
RADB
5/25/2026
128.231.245.0/24
 Valid
RADB
5/25/2026
137.187.0.0/16
 Valid
ARINRADB
5/25/2026
156.40.0.0/16
No ROA
RADB
5/25/2026
157.98.0.0/16
No ROA
RADB
5/25/2026
162.99.224.0/19
No ROA
RADB
5/25/2026
165.112.0.0/16
 Valid
ARINRADB
5/25/2026
165.112.0.0/20MOAS
 Valid
RADB
5/25/2026
165.112.0.0/21MOAS
 Valid
RADB
5/25/2026
1–10 of 16
1 / 2

Allocated Prefixes

(RIR)19
Prefix
Country
RIR
Status
128.231.0.0/16🇺🇸 USARINallocated
137.187.0.0/16🇺🇸 USARINallocated
156.40.0.0/18🇺🇸 USARINallocated
156.40.64.0/20🇺🇸 USARINallocated
156.40.80.0/21🇺🇸 USARINallocated
156.40.88.0/22🇺🇸 USARINallocated
156.40.92.0/24🇺🇸 USARINallocated
156.40.96.0/19🇺🇸 USARINallocated
156.40.128.0/18🇺🇸 USARINallocated
156.40.192.0/22🇺🇸 USARINallocated
1–10 of 19
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/3527

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

curl -s "https://api.ipctl.io/v1/asn/3527" | jq