HomeASN LookupAS19043

AS19043

🇺🇸

ONEBEACONINSURANCEGROUP - OneBeacon Insurance Group LTDaa5add873da280953d5fb7fa7010ed7b

ARINassigned
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)8,192
Announced (BGP)9,216
IPv6 Addresses ⓘ
Allocated (RIR)3×10^26
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
3/9/2010

Announced Prefixes

(BGP)4
|
Prefix
RPKI
IRR
Last Seen
205.134.128.0/19
No ROA—5/25/2026
205.134.128.0/24
No ROA—5/25/2026
205.134.132.0/23
No ROA—5/25/2026
205.134.158.0/24
No ROA—5/25/2026

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
205.134.128.0/19🇺🇸 USARINallocated
2620:11f:3000::/40🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/19043

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

curl -s "https://api.ipctl.io/v1/asn/19043" | jq