AS668 DoD High Performance Computing (Defense Research and Engineering Network) 🇺🇸 US

United States Department of Defense (DoD). Announcing 189 prefixes, seen at the RIS collectors.

IPv4 prefixes
188
2,552,064 (9,969 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
5
transit providers observed
Peers
1
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
RADB::AS-DREN
PeeringDB
net/2103
Exchanges
10
Facilities
10

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (0.5%) 0 invalid (0.0%) 188 no ROA (99.5%)

Announced prefixes

189 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 46 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 48 6939668 2026-09-18
128.160.0.0/17 v4 no ROA 48 6939668 2026-09-18
129.92.0.0/16 v4 no ROA 48 6939668 2026-09-18
129.229.0.0/16 v4 no ROA 48 6939668 2026-09-18
130.109.0.0/16 v4 no ROA 48 6939668 2026-10-12
130.163.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.92.131.0/24 v4 no ROA 48 6939668 2026-09-18
131.92.132.0/22 v4 no ROA 48 6939668 2026-10-02
131.92.136.0/21 v4 no ROA 48 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 2026-10-01
131.92.164.0/22 v4 no ROA 48 6939668 2026-10-01
131.92.168.0/21 v4 no ROA 48 6939668 2026-10-01
131.92.176.0/22 v4 no ROA 48 6939668 2026-09-18
131.92.180.0/23 v4 no ROA 48 6939668 2026-10-01
131.92.182.0/23 v4 no ROA 48 6939668 2026-10-01
131.92.184.0/23 v4 no ROA 48 6939668 2026-10-01
131.92.186.0/24 v4 no ROA 45 345492914668 2026-10-01
131.92.192.0/18 v4 no ROA 48 6939668 2026-09-18
131.120.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.121.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.122.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.214.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.218.0.0/16 v4 no ROA 48 6939668 2026-09-18
131.250.0.0/17 v4 no ROA 48 6939668 2026-09-18
131.250.128.0/18 v4 no ROA 48 6939668 2026-09-18
131.250.192.0/20 v4 no ROA 48 6939668 2026-09-18
132.45.0.0/16 v4 no ROA 48 6939668 2026-09-18
132.193.0.0/16 v4 no ROA 48 6939668 2026-09-18
134.164.220.0/24 v4 no ROA 48 6939668 2026-10-11
134.166.0.0/18 v4 no ROA 48 6939668 2026-09-18
134.166.64.0/18 v4 no ROA 48 6939668 2026-09-18
134.166.128.0/22 v4 no ROA 48 6939668 2026-09-18
134.166.132.0/23 v4 no ROA 48 6939668 2026-09-18
134.166.134.0/24 v4 no ROA 48 6939668 2026-09-18
134.166.135.0/24 v4 no ROA 48 6939668 2026-09-18
134.166.136.0/23 v4 no ROA 48 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 48 6939668 2026-09-18
137.128.0.0/16 v4 no ROA 48 6939668 2026-09-18
140.5.0.0/16 v4 no ROA 48 6939668 2026-10-02
140.6.0.0/16 v4 no ROA 48 6939668 2026-09-18
140.25.0.0/16 v4 no ROA 48 6939668 2026-09-18
140.25.98.0/24 v4 no ROA 49 6939668 2026-09-18
140.27.8.0/22 v4 no ROA 48 6939668 2026-09-18
140.27.10.0/23 v4 no ROA 48 6939668 2026-09-18
140.27.12.0/23 v4 no ROA 48 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 48 6939668 2026-09-18
140.32.0.0/16 v4 no ROA 48 6939668 2026-09-18
140.178.0.0/16 v4 no ROA 48 6939668 2026-09-18
143.56.0.0/16 v4 no ROA 48 6939668 2026-09-18
144.3.0.0/16 v4 no ROA 48 6939668 2026-09-18
147.227.0.0/16 v4 no ROA 48 6939668 2026-09-18
147.241.72.0/21 v4 no ROA 48 6939668 2026-09-18
147.241.96.0/22 v4 no ROA 48 6939668 2026-09-18
147.241.104.0/22 v4 no ROA 48 6939668 2026-10-07
147.241.112.0/22 v4 no ROA 48 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 48 6939668 2026-10-02
147.241.126.0/24 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 48 6939668 2026-09-18
150.125.0.0/16 v4 no ROA 48 6939668 2026-09-18
155.29.152.0/21 v4 no ROA 48 6939668 2026-09-18
155.141.0.0/16 v4 no ROA 48 6939668 2026-09-18
155.148.0.0/17 v4 no ROA 48 6939668 2026-09-18
155.148.128.0/18 v4 no ROA 48 6939668 2026-09-18
155.148.192.0/19 v4 no ROA 48 6939668 2026-09-18
155.148.224.0/20 v4 no ROA 48 6939668 2026-09-18
155.148.240.0/21 v4 no ROA 48 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 48 6939668 2026-09-18
158.12.0.0/16 v4 no ROA 48 6939668 2026-09-18
163.240.0.0/16 v4 no ROA 48 6939668 2026-09-18
164.49.0.0/16 v4 no ROA 48 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 48 6939668 2026-09-18
164.173.0.0/16 v4 no ROA 48 6939668 2026-09-18
164.191.0.0/16 v4 no ROA 48 6939668 2026-09-18
192.5.17.0/24 v4 no ROA 48 6939668 2026-09-18
192.5.21.0/24 v4 no ROA 48 6939668 2026-09-18
192.5.22.0/24 v4 no ROA 48 6939668 2026-09-18
192.5.23.0/24 v4 no ROA 48 6939668 2026-09-18
192.5.41.0/24 v4 no ROA 48 6939668 2026-09-18
192.5.148.0/24 v4 no ROA 48 6939668 2026-09-18
192.12.124.0/24 v4 no ROA 48 6939668 2026-09-18
192.16.167.0/24 v4 no ROA 48 6939668 2026-09-18
192.31.147.0/24 v4 no ROA 48 6939668 2026-09-18
192.42.141.0/24 v4 no ROA 48 6939668 2026-09-18
192.48.242.0/24 v4 no ROA 48 6939668 2026-09-18
192.55.117.0/24 v4 no ROA 48 6939668 2026-09-18
192.58.244.0/24 v4 no ROA 48 6939668 2026-09-18
192.67.80.0/24 v4 no ROA 48 6939668 2026-09-18
192.67.93.0/24 v4 no ROA 48 6939668 2026-09-18
192.86.66.0/24 v4 no ROA 48 6939668 2026-09-18
192.100.92.0/24 v4 no ROA 48 6939668 2026-09-18
192.138.87.0/24 v4 no ROA 48 6939668 2026-09-18
192.160.158.0/24 v4 no ROA 48 6939668 2026-09-18
192.160.159.0/24 v4 no ROA 48 6939668 2026-09-18
192.171.8.0/22 v4 no ROA 48 6939668 2026-09-18
192.171.12.0/24 v4 no ROA 48 6939668 2026-09-18
192.175.87.0/24 v4 no ROA 48 6939668 2026-09-18
192.190.228.0/24 v4 no ROA 48 6939668 2026-09-18
192.190.229.0/24 v4 no ROA 48 6939668 2026-09-18
198.14.32.0/19 v4 no ROA 48 6939668 2026-09-18
198.97.234.0/23 v4 no ROA 48 6939668 2026-09-18
198.97.236.0/24 v4 no ROA 48 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 48 6939668 2026-09-18
198.154.174.0/23 v4 no ROA 48 6939668 2026-09-18
198.154.176.0/23 v4 no ROA 48 6939668 2026-09-18
198.253.40.0/21 v4 no ROA 48 6939668 2026-09-18
198.253.56.0/24 v4 no ROA 48 6939668 2026-09-18
198.253.64.0/21 v4 no ROA 48 6939668 2026-09-18
198.253.110.0/24 v4 no ROA 48 6939668 2026-09-18
198.253.128.0/19 v4 no ROA 48 6939668 2026-09-18
198.253.168.0/21 v4 no ROA 48 6939668 2026-09-18
198.253.192.0/20 v4 no ROA 48 6939668 2026-09-18
198.253.252.0/24 v4 no ROA 48 6939668 2026-09-18
198.253.253.0/24 v4 no ROA 48 6939668 2026-09-18
199.9.0.0/24 v4 no ROA 48 6939668 2026-09-18
199.9.1.0/24 v4 no ROA 48 6939668 2026-09-18
199.9.2.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.16.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.17.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.18.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.19.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.20.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.62.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.127.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.148.0/24 v4 no ROA 48 6939668 2026-09-18
199.10.233.0/24 v4 no ROA 48 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 48 6939668 2026-09-18
199.123.86.0/23 v4 no ROA 48 6939668 2026-09-18
199.123.88.0/23 v4 no ROA 48 6939668 2026-09-18
199.123.90.0/24 v4 no ROA 48 6939668 2026-09-18
199.123.105.0/24 v4 no ROA 48 6939668 2026-10-02
199.123.113.0/24 v4 no ROA 48 6939668 2026-09-18
199.208.32.0/21 v4 no ROA 48 6939668 2026-09-18
199.208.158.0/24 v4 no ROA 48 6939668 2026-09-18
199.209.144.0/21 v4 no ROA 48 6939668 2026-09-18
199.209.144.0/22 v4 no ROA 48 6939668 2026-09-18
199.209.149.0/24 v4 no ROA 48 6939668 2026-09-18
199.209.150.0/23 v4 no ROA 48 6939668 2026-09-18
199.209.240.0/21 v4 no ROA 48 6939668 2026-09-18
199.209.248.0/21 v4 no ROA 48 6939668 2026-09-18
204.34.198.0/24 v4 no ROA 48 6939668 2026-09-18
204.44.136.0/23 v4 no ROA 48 6939668 2026-09-18
204.222.6.0/23 v4 no ROA 48 6939668 2026-09-18
204.222.8.0/23 v4 no ROA 48 6939668 2026-09-18
204.222.64.0/21 v4 no ROA 48 6939668 2026-09-18
204.238.129.0/24 v4 no ROA 48 6939668 2026-09-18
205.66.100.0/22 v4 no ROA 48 6939668 2026-09-18
205.67.232.0/24 v4 no ROA 48 6939668 2026-09-18
205.68.95.0/24 v4 no ROA 48 6939668 2026-09-18
205.111.251.0/24 v4 no ROA 48 6939668 2026-09-18
205.111.252.0/24 v4 no ROA 48 6939668 2026-09-18
206.37.28.0/23 v4 no ROA 48 6939668 2026-09-18
206.37.30.0/23 v4 no ROA 48 6939668 2026-09-18
206.37.224.0/24 v4 no ROA 48 6939668 2026-09-18
206.37.226.0/24 v4 no ROA 45 345492914668 2026-09-18
206.37.252.0/24 v4 no ROA 48 6939668 2026-09-18
207.132.147.0/24 v4 no ROA 48 6939668 2026-09-18
207.133.211.0/24 v4 no ROA 48 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 48 6939668 2026-09-18
214.9.94.0/24 v4 no ROA 48 6939668 2026-09-18
214.9.95.0/24 v4 no ROA 48 6939668 2026-09-18
214.9.96.0/21 v4 no ROA 48 6939668 2026-09-18
214.10.25.0/24 v4 no ROA 48 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 48 6939668 2026-09-30
2001:480::/32 v6 RPKI valid 36 6939668 2026-09-18