AS27 University of Maryland 🇺🇸 US
Announcing 11 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
134,656 (526 × /24)
IPv6 prefixes
6
6 × /48
Upstreams
1
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
- AS27
- Name
- University of Maryland
- Organisation
- UMDNET
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1984-08-28
- Scope
- Not Disclosed
- Website
- http://www.mdren.net/
- PeeringDB
- net/30123
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
11 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.8.0.0/16 v4 | no ROA | 41 | 3454964611088627 | 2026-09-18 |
| 129.2.0.0/16 v4 | no ROA | 41 | 3454964611088627 | 2026-09-18 |
| 192.54.94.0/23 v4 | no ROA | 41 | 3454964611088627 | 2026-09-18 |
| 192.54.96.0/21 v4 | no ROA | 41 | 3454964611088627 | 2026-09-18 |
| 192.54.100.0/22 v4 | no ROA | 41 | 3454964611088627 | 2026-09-18 |
| 2605:880::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |
| 2605:880:1::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |
| 2605:880:10::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |
| 2605:880:20::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |
| 2605:880:22::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |
| 2605:880:30::/48 v6 | no ROA | 33 | 3454964611088627 | 2026-09-18 |