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
38
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
138 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.109.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.4.0.0/16 v4 | no ROA | 45 | 3454917481 | 2026-09-18 |
| 152.6.0.0/16 v4 | no ROA | 45 | 3454917481 | 2026-09-18 |
| 152.8.0.0/16 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.9.0.0/16 v4 | no ROA | 45 | 3454917481 | 2026-09-18 |
| 152.10.0.0/16 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.11.0.0/16 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.12.0.0/16 v4 | no ROA | 45 | 701881 | 2026-09-18 |
| 152.18.0.0/16 v4 | no ROA | 45 | 701881 | 2026-09-18 |
| 152.20.0.0/16 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.21.0.0/16 v4 | no ROA | 45 | 701881 | 2026-09-18 |
| 152.22.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.22.32.0/21 v4 | RPKI valid | 40 | 701881 | 2026-09-18 |
| 152.22.40.0/21 v4 | RPKI valid | 40 | 701881 | 2026-09-18 |
| 152.22.48.0/21 v4 | RPKI valid | 40 | 701881 | 2026-09-18 |
| 152.22.64.0/21 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 152.22.72.0/21 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.22.80.0/21 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.26.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.26.16.0/24 v4 | RPKI valid | 3 | 38229244901153781 | 2026-09-18 |
| 152.26.44.0/24 v4 | RPKI valid | 43 | 701881 | 2026-09-18 |
| 152.26.60.0/24 v4 | RPKI valid | 3 | 38229244901153781 | 2026-09-18 |
| 152.26.69.0/24 v4 | RPKI valid | 43 | 37721335681 | 2026-09-18 |
| 152.26.208.0/24 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 152.26.209.0/24 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 152.26.210.0/24 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 152.26.211.0/24 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 152.26.212.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.26.213.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.27.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.27.12.0/24 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.28.0.0/16 v4 | RPKI valid | 45 | 701881 | 2026-09-18 |
| 152.28.1.0/24 v4 | RPKI valid | 41 | 3454917481 | 2026-09-18 |
| 152.29.0.0/16 v4 | RPKI valid | 45 | 701881 | 2026-09-18 |
| 152.30.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.30.10.0/24 v4 | RPKI valid | 41 | 3454917481 | 2026-09-18 |
| 152.30.92.0/22 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 152.30.92.0/24 v4 | RPKI valid | 41 | 3454917481 | 2026-09-18 |
| 152.32.0.0/18 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.0.0/18 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.17.0/24 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.18.0/24 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.64.0/19 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.160.0/19 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.192.0/20 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.208.0/20 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.38.224.0/19 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.40.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.42.64.0/18 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 152.45.0.0/16 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.1.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.45.2.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.45.3.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.4.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.5.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.6.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.8.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.9.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.10.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.45.11.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.45.15.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.45.20.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.46.1.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.2.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.3.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.4.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.5.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.6.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.7.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.8.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.9.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.12.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.13.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.14.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.15.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.16.0/21 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.24.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.25.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.26.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.27.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.28.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.29.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.30.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.31.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.32.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.33.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.34.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.35.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.36.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.37.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.38.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.39.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.42.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.46.43.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.44.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.45.0/24 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 152.46.47.0/24 v4 | RPKI valid | 44 | 3454917481 | 2026-09-18 |
| 152.46.48.0/24 v4 | RPKI valid | 41 | 3454917481 | 2026-09-18 |
| 152.46.252.0/22 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.47.0.0/16 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 152.48.0.0/16 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 152.49.0.0/16 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 152.54.0.0/16 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.54.0.0/20 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 152.60.0.0/16 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 152.60.4.0/24 v4 | RPKI valid | 39 | 3454917481 | 2026-09-18 |
| 185.83.159.0/24 v4 | RPKI valid | 41 | 34549646181 | 2026-09-18 |
| 192.101.21.0/24 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 192.101.22.0/23 v4 | RPKI valid | 43 | 149071116481 | 2026-09-18 |
| 192.101.22.0/24 v4 | RPKI valid | 40 | 3454917481 | 2026-09-18 |
| 192.101.24.0/24 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 192.137.210.0/24 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 192.154.33.0/24 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 192.154.43.0/24 v4 | no ROA | 42 | 3454917481 | 2026-09-18 |
| 192.154.48.0/24 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 192.154.55.0/24 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 192.154.58.0/24 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 192.154.60.0/24 v4 | no ROA | 41 | 701881 | 2026-09-18 |
| 192.154.61.0/24 v4 | no ROA | 41 | 701881 | 2026-09-18 |
| 192.154.66.0/24 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 192.154.76.0/23 v4 | RPKI valid | 41 | 701881 | 2026-09-18 |
| 192.154.95.0/24 v4 | no ROA | 41 | 701881 | 2026-09-18 |
| 192.189.244.0/24 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 198.85.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 198.86.0.0/16 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 198.86.244.0/22 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 204.84.0.0/15 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 204.84.80.0/20 v4 | RPKI valid | 45 | 3454917481 | 2026-09-18 |
| 204.84.112.0/21 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 204.84.120.0/24 v4 | RPKI valid | 42 | 3454917481 | 2026-09-18 |
| 204.85.192.0/18 v4 | RPKI valid | 42 | 701881 | 2026-09-18 |
| 206.107.110.0/24 v4 | no ROA | 41 | 3454917481 | 2026-09-18 |
| 206.211.64.0/19 v4 | no ROA | 42 | 701881 | 2026-09-18 |
| 2600:2700::/28 v6 | RPKI valid | 36 | 3454917481 | 2026-09-18 |
| 2602:f64d::/40 v6 | RPKI valid | 34 | 3454917481 | 2026-09-18 |
| 2602:f6b8::/40 v6 | no ROA | 34 | 3454917481 | 2026-09-18 |
| 2610:28::/32 v6 | RPKI valid | 36 | 701881 | 2026-09-18 |