HomeASN LookupAS23237

AS23237

🇨🇦

MCMASTER - McMaster Universitye5919ba9cf2e803bdbc98334a7f64daa

ARINassigned
Announced Prefixes (BGP)
5total
4 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)66,048
Announced (BGP)66,304
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇨🇦 CA
RIR
ARIN
Status
assigned
Allocated
2/13/2002

Announced Prefixes

(BGP)5
|
Prefix
RPKI
IRR
Last Seen
130.113.0.0/16
No ROA—5/25/2026
130.113.109.0/24
No ROA—5/25/2026
192.42.5.0/24
No ROA—5/25/2026
192.42.6.0/24
No ROA—5/25/2026
2604:1700::/48
No ROA—5/25/2026

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
130.113.0.0/16🇨🇦 CAARINallocated
192.42.5.0/24🇨🇦 CAARINallocated
192.42.6.0/24🇨🇦 CAARINallocated
2604:1700::/32🇨🇦 CAARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/23237

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

curl -s "https://api.ipctl.io/v1/asn/23237" | jq