AS11975 The College of William and Mary 🇺🇸 US
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
270,592 (1,057 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
- AS11975
- Name
- The College of William and Mary
- Organisation
- The College of William and Mary
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1999-02-18
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.239.0.0/16 v4 | no ROA | 43 | 3454917411975 | 2026-09-18 |
| 128.239.0.0/17 v4 | no ROA | 44 | 3454917411975 | 2026-09-18 |
| 128.239.33.0/24 v4 | no ROA | 14 | 14907111644022011975 | 2026-09-18 |
| 128.239.128.0/17 v4 | no ROA | 44 | 3454917411975 | 2026-09-18 |
| 139.70.0.0/16 v4 | no ROA | 43 | 3454917411975 | 2026-09-18 |
| 139.70.0.0/17 v4 | no ROA | 44 | 3454917411975 | 2026-09-18 |
| 139.70.128.0/17 v4 | no ROA | 44 | 3454917411975 | 2026-09-18 |
| 139.70.224.0/19 v4 | no ROA | 44 | 37721335611975 | 2026-09-18 |