AS81 MCNC 🇺🇸 US
Announcing 138 prefixes, seen at the RIS collectors.
IPv4 prefixes
134
2,056,448 (8,033 × /24)
IPv6 prefixes
4
17 × /32
Upstreams
7
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
37
transit customers observed
Customer cone
39
ASes reachable through it
Registry and operator data
- AS number
- AS81
- Name
- MCNC
- Organisation
- MCNC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1986-08-07
- Network type
- Educational/Research
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- ARIN::AS-NCREN
- Website
- http://www.mcnc.org
- PeeringDB
- net/2795
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2600:2700::/28 v6 | RPKI valid | 35 | 3454917481 | 2026-09-18 |
| 2602:f64d::/40 v6 | RPKI valid | 32 | 3454917481 | 2026-09-18 |
| 2602:f6b8::/40 v6 | no ROA | 33 | 3454917481 | 2026-09-18 |
| 2610:28::/32 v6 | RPKI valid | 35 | 701881 | 2026-09-18 |