AS3 Massachusetts Institute of Technology 🇺🇸 US
Announcing 99 prefixes, seen at the RIS collectors.
IPv4 prefixes
90
1,851,136 (7,231 × /24)
IPv6 prefixes
9
9 × /32
Upstreams
8
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS3
- Name
- Massachusetts Institute of Technology
- Organisation
- Massachusetts Institute of Technology
- Country
- 🇺🇸 US
- RIR
- ARIN
- Network type
- Educational/Research
- Scope
- North America
- Peering policy
- Restrictive
- Website
- http://mit.edu
- PeeringDB
- net/7092
- Exchanges
- 1
- Facilities
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
90 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 18.0.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.1.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.3.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.3.1.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.2.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.3.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.4.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.5.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.6.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.7.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.8.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.9.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.10.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.11.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.12.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.13.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.14.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.15.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.16.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.17.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.18.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.19.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.20.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.21.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.22.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.23.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.28.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.67.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.69.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.90.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.103.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.104.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.105.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.106.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.108.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.109.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.111.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.116.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.122.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.151.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.152.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.153.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.154.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.3.155.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.4.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.5.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.6.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.7.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.7.23.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.32.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.34.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.39.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.40.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.54.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.80.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.82.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.84.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 18.7.102.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.7.108.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.7.117.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.7.118.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.7.119.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.7.120.0/24 v4 | no ROA | 42 | 345491743 | 2026-09-18 |
| 18.8.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.9.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.10.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.11.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.12.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.13.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.14.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.15.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.16.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.17.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.18.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.22.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.23.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.25.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.26.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.27.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.29.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 18.31.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 103.127.189.0/24 v4 | RPKI invalid | 5 | 3800194981382793 | 2026-09-26 |
| 103.182.177.0/24 v4 | RPKI invalid | 4 | 3800194981332963 | 2026-10-01 |
| 128.30.0.0/15 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 128.52.0.0/16 v4 | no ROA | 44 | 345491743 | 2026-09-18 |
| 192.52.61.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 192.52.62.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 192.52.63.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 192.52.64.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |
| 192.52.65.0/24 v4 | no ROA | 43 | 345491743 | 2026-09-18 |