AS55 University of Pennsylvania 🇺🇸 US
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
262,400 (1,025 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS55
- Name
- University of Pennsylvania
- Organisation
- UPENN
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1985-12-18
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- North America
- Peering policy
- Selective
- Website
- https://www.upenn.edu
- PeeringDB
- net/18475
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
6 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.91.0.0/16 v4 | RPKI valid | 43 | 3454917455 | 2026-09-18 |
| 130.91.0.0/16 v4 | RPKI valid | 43 | 3454917455 | 2026-09-18 |
| 158.130.0.0/16 v4 | RPKI valid | 43 | 3454917455 | 2026-09-18 |
| 165.123.0.0/16 v4 | RPKI valid | 43 | 3454917455 | 2026-09-18 |
| 192.84.2.0/24 v4 | RPKI valid | 43 | 3454917455 | 2026-09-18 |
| 2607:f470::/32 v6 | RPKI valid | 36 | 3454917455 | 2026-09-18 |