AS668 DoD High Performance Computing (Defense Research and Engineering Network) 🇺🇸 US
United States Department of Defense (DoD). Announcing 193 prefixes, seen at the RIS collectors.
IPv4 prefixes
192
2,558,464 (9,994 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
27
transit customers observed
Customer cone
21
ASes reachable through it
Registry and operator data
- AS number
- AS668
- Name
- DoD High Performance Computing (Defense Research and Engineering Network)
- Organisation
- DREN
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1990-04-24
- Network type
- Educational/Research
- Scope
- North America
- Peering policy
- Open
- IRR as-set
- AS-DREN
- PeeringDB
- net/2103
- Exchanges
- 10
- Facilities
- 10
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
193 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 6.2.0.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.2.64.0/19 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.2.96.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.2.104.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.2.112.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.2.120.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.3.0.0/17 v4 | no ROA | 44 | 345492914668 | 2026-09-18 |
| 6.4.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.11.1.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.11.51.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.11.250.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.11.254.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 6.15.100.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 128.132.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 128.160.0.0/17 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 129.92.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 129.229.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 130.109.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 130.163.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.92.131.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.92.132.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-22 |
| 131.92.136.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.92.144.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.92.162.0/23 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.164.0/22 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.168.0/21 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.176.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.92.180.0/23 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.182.0/23 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.184.0/23 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 131.92.186.0/24 v4 | no ROA | 44 | 345492914668 | 2026-09-18 |
| 131.92.192.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.120.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.121.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.122.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.214.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.218.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.250.0.0/17 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.250.128.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 131.250.192.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 132.45.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 132.193.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.164.220.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.0.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.64.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.128.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.132.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.134.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.135.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.136.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 134.166.138.0/24 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 134.166.144.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 137.128.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.5.0.0/16 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 140.6.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.25.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.25.98.0/24 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 140.27.8.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.27.10.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.27.12.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.27.14.0/23 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 140.31.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.32.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 140.178.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 143.56.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 144.3.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.227.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.72.0/21 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 147.241.80.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.88.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.96.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.104.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.112.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.118.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.120.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-22 |
| 147.241.126.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.160.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.241.192.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 147.248.48.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 150.125.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.29.152.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.141.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.148.0.0/17 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.148.128.0/18 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.148.192.0/19 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.148.224.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.148.240.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 155.154.0.0/16 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 157.187.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 158.12.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 163.240.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 164.49.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 164.122.0.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 164.172.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 164.173.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 164.191.0.0/16 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.17.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.21.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.22.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.23.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.41.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.5.148.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.12.124.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.16.167.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.31.147.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.42.141.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.48.242.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.55.117.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.58.244.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.67.80.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.67.93.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.86.66.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.88.110.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.100.92.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.138.87.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.160.158.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.160.159.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.171.8.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.171.12.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.175.87.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.190.228.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 192.190.229.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.14.32.0/19 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.97.234.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.97.236.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.154.16.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.154.24.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.154.173.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.154.174.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.154.176.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.40.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.56.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.64.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.110.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.128.0/19 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.168.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.192.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.252.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 198.253.253.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.9.0.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.9.1.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.9.2.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.16.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.17.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.18.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.19.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.20.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.62.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.127.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.148.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.10.233.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.31.16.0/20 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.31.107.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.123.86.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.123.88.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.123.90.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.123.105.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-22 |
| 199.123.113.0/24 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 199.208.32.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.208.158.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.144.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.144.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.149.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.150.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.240.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 199.209.248.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.34.198.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.44.136.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.222.6.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.222.8.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.222.64.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 204.238.129.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 205.66.100.0/22 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 205.67.232.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 205.68.95.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 205.111.251.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 205.111.252.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 206.37.28.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 206.37.30.0/23 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 206.37.224.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 206.37.226.0/24 v4 | no ROA | 44 | 345492914668 | 2026-09-18 |
| 206.37.252.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 207.132.147.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 207.133.211.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.4.136.0/24 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 214.9.92.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.9.94.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.9.95.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.9.96.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.10.25.0/24 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 214.27.178.0/24 v4 | no ROA | 48 | 6939668 | 2026-09-18 |
| 214.29.136.0/21 v4 | no ROA | 49 | 6939668 | 2026-09-18 |
| 2001:480::/32 v6 | no ROA | 38 | 6939668 | 2026-09-18 |