AS2 University of Delaware 🇺🇸 US
Announcing 10 prefixes, seen at the RIS collectors.
IPv4 prefixes
9
83,712 (327 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
8
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS2
- Name
- University of Delaware
- Organisation
- University of Delaware
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1991-01-10
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
10 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 91.143.144.0/20 v4 | no ROA | 41 | 2448212389418372 | 2026-09-18 |
| 128.4.0.0/16 v4 | RPKI valid | 44 | 132825174342 | 2026-09-18 |
| 129.205.64.0/20 v4 | no ROA | 1 | 37721376282 | 2026-09-18 |
| 154.65.12.0/22 v4 | no ROA | 1 | 37721376282 | 2026-09-18 |
| 171.79.128.0/20 v4 | no ROA | 42 | 377219498456092 | 2026-09-18 |
| 171.79.144.0/20 v4 | no ROA | 42 | 377219498456092 | 2026-09-18 |
| 189.39.185.0/24 v4 | no ROA | 5 | 599199002137862710232707922 | 2026-09-18 |
| 194.190.53.0/24 v4 | no ROA | 12 | 3772132162037942 | 2026-09-18 |
| 194.190.54.0/24 v4 | no ROA | 12 | 3772132162037942 | 2026-09-18 |
| 2001:67c:1328::/48 v6 | RPKI invalid | 1 | 29504347791992682 | 2026-09-18 |