AS23237 McMaster University 🇨🇦 CA
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
66,304 (259 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS23237
- Name
- McMaster University
- Organisation
- McMaster University
- Country
- 🇨🇦 CA
- RIR
- ARIN
- Allocated
- 2002-02-13
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 130.113.0.0/16 v4 | no ROA | 42 | 226522667723237 | 2026-09-18 |
| 130.113.109.0/24 v4 | no ROA | 42 | 226522667723237 | 2026-09-18 |
| 192.42.5.0/24 v4 | no ROA | 41 | 226522667723237 | 2026-09-18 |
| 192.42.6.0/24 v4 | no ROA | 41 | 226522667723237 | 2026-09-18 |
| 2604:1700::/48 v6 | no ROA | 39 | 226522667723237 | 2026-09-18 |