HomeASN LookupAS21965

AS21965

🇺🇸

HIGHMARK - Highmark Incdc4dab5d216e8895c543cb007023352d

ARINassigned
Announced Prefixes (BGP)
22total
22 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)133,888
Announced (BGP)5,632
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
7/19/2001

Announced Prefixes

(BGP)22
|
Prefix
RPKI
IRR
Last Seen
157.154.3.0/24
No ROA
RADB
5/25/2026
157.154.4.0/24
No ROA—5/25/2026
157.154.5.0/24
No ROA—5/25/2026
157.154.6.0/24
No ROA—5/25/2026
157.154.7.0/24
No ROA—5/25/2026
157.154.8.0/24
No ROA
RADB
5/25/2026
157.154.11.0/24
No ROA
RADB
5/25/2026
157.154.14.0/24
No ROA
RADB
5/25/2026
157.154.20.0/24
No ROA
ARIN
5/25/2026
167.164.3.0/24
No ROA
RADB
5/25/2026
1–10 of 22
1 / 3

Allocated Prefixes

(RIR)12
Prefix
Country
RIR
Status
157.154.0.0/16🇺🇸 USARINallocated
167.164.0.0/16🇺🇸 USARINallocated
192.152.123.0/24🇺🇸 USARINallocated
198.153.220.0/24🇺🇸 USARINallocated
198.153.221.0/24🇺🇸 USARINallocated
198.200.200.0/24🇺🇸 USARINallocated
199.190.160.0/23🇺🇸 USARINallocated
199.190.163.0/24🇺🇸 USARINallocated
199.190.164.0/24🇺🇸 USARINallocated
199.190.166.0/24🇺🇸 USARINallocated
1–10 of 12
1 / 2
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21965

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

curl -s "https://api.ipctl.io/v1/asn/21965" | jq