IP Tracker

AS668

DoD High Performance Computing (Defense Research and Engineering Network)

USUnknown2026-07-31

Announced prefixes 194

6.2.0.0/186.2.64.0/196.2.96.0/226.2.104.0/226.2.112.0/226.2.120.0/226.3.0.0/176.4.0.0/166.11.1.0/246.11.51.0/246.11.250.0/246.11.254.0/246.15.100.0/24128.132.0.0/16128.160.0.0/17129.92.0.0/16129.229.0.0/16130.109.0.0/16130.163.0.0/16131.92.131.0/24131.92.132.0/22131.92.136.0/21131.92.144.0/21131.92.162.0/23131.92.164.0/22131.92.168.0/21131.92.176.0/22131.92.180.0/23131.92.182.0/23131.92.184.0/23131.92.186.0/24131.92.192.0/18131.120.0.0/16131.121.0.0/16131.122.0.0/16131.214.0.0/16131.218.0.0/16131.250.0.0/17131.250.128.0/18131.250.192.0/20132.45.0.0/16132.193.0.0/16134.164.220.0/24134.166.0.0/18134.166.64.0/18134.166.128.0/22134.166.132.0/23134.166.134.0/24134.166.135.0/24134.166.136.0/23134.166.138.0/24134.166.144.0/20137.128.0.0/16140.5.0.0/16140.6.0.0/16140.25.0.0/16140.25.98.0/24140.27.8.0/22140.27.10.0/23140.27.12.0/23140.27.14.0/23140.31.0.0/16140.32.0.0/16140.178.0.0/16143.56.0.0/16144.3.0.0/16147.227.0.0/16147.241.56.0/21147.241.72.0/21147.241.80.0/21147.241.88.0/21147.241.96.0/22147.241.104.0/22147.241.112.0/22147.241.118.0/24147.241.120.0/22147.241.126.0/24147.241.128.0/21147.241.160.0/21147.241.168.0/21147.241.176.0/21147.241.192.0/18147.248.48.0/20150.125.0.0/16155.29.152.0/21155.141.0.0/16155.148.0.0/17155.148.128.0/18155.148.192.0/19155.148.224.0/20155.148.240.0/21155.154.0.0/16157.187.0.0/16158.12.0.0/16163.240.0.0/16164.49.0.0/16164.122.0.0/20164.172.0.0/16164.173.0.0/16164.191.0.0/16192.5.17.0/24192.5.21.0/24192.5.22.0/24192.5.23.0/24192.5.148.0/24192.12.124.0/24192.16.167.0/24192.31.147.0/24192.42.141.0/24192.48.242.0/24192.55.117.0/24192.58.244.0/24192.67.80.0/24192.67.93.0/24192.86.66.0/24192.88.110.0/24192.100.92.0/24192.138.87.0/24192.160.158.0/24192.160.159.0/24192.171.8.0/22192.171.12.0/24192.175.87.0/24192.190.228.0/24192.190.229.0/24198.14.32.0/19198.97.234.0/23198.97.236.0/24198.154.16.0/21198.154.24.0/23198.154.173.0/24198.154.174.0/23198.154.176.0/23198.253.40.0/21198.253.56.0/24198.253.64.0/21198.253.110.0/24198.253.128.0/19198.253.168.0/21198.253.192.0/20198.253.252.0/24198.253.253.0/24199.9.0.0/24199.9.1.0/24199.9.2.0/24199.10.16.0/24199.10.17.0/24199.10.18.0/24199.10.19.0/24199.10.20.0/24199.10.62.0/24199.10.127.0/24199.10.148.0/24199.10.233.0/24199.31.16.0/20199.31.107.0/24199.123.86.0/23199.123.88.0/23199.123.90.0/24199.123.105.0/24199.123.113.0/24199.208.32.0/21199.208.158.0/24199.209.144.0/21199.209.144.0/22199.209.149.0/24199.209.150.0/23199.209.240.0/21199.209.248.0/21204.44.136.0/23204.222.6.0/23204.222.8.0/23204.222.64.0/21204.238.129.0/24205.66.100.0/22205.67.232.0/24205.68.95.0/24205.111.251.0/24205.111.252.0/24206.37.28.0/23206.37.30.0/23206.37.224.0/24206.37.252.0/24207.132.147.0/24207.133.211.0/24214.4.136.0/24214.9.92.0/24214.9.94.0/24214.9.95.0/24214.9.96.0/21214.10.25.0/24214.27.178.0/24214.29.136.0/212001:480::/32

Snapshot history

DateNameCountryClassPrefixes
2026-11-11DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-10DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-09DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-08DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-07DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-06DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-05DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-04DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-03DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-02DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-11-01DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-10-31DoD High Performance Computing (Defense Research and Engineering Network)USUnknown189
2026-10-30DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-29DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-28DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-27DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-26DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-25DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-24DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-23DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-22DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-21DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-20DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-19DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-18DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-17DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-16DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-10-15DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-14DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-13DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-12DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-11DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-10-10DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-10-09DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-08DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-07DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-06DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-05DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-04DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-03DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-10-02DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-10-01DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-30DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-29DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-28DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-27DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-26DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-25DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-24DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-23DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-22DoD High Performance Computing (Defense Research and Engineering Network)USUnknown190
2026-09-21DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-20DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-19DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-18DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-17DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-16DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-15DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-14DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-13DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-12DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-11DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-10DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-09-09DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-08DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-07DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-06DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-05DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-04DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-09-03DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-09-02DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-09-01DoD High Performance Computing (Defense Research and Engineering Network)USUnknown195
2026-08-31DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-08-30DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-29DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-28DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-27DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-26DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-25DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-24DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-23DoD High Performance Computing (Defense Research and Engineering Network)USUnknown196
2026-08-22DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-08-21DoD High Performance Computing (Defense Research and Engineering Network)USUnknown195
2026-08-20DoD High Performance Computing (Defense Research and Engineering Network)USUnknown195
2026-08-19DoD High Performance Computing (Defense Research and Engineering Network)USUnknown195
2026-08-18DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-08-17DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-16DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-15DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-14DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-13DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-12DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-11DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-10DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-09DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-08DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-07DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-06DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-05DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-04DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-08-03DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-08-02DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-08-01DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-31DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-07-30DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-29DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-07-28DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-07-27DoD High Performance Computing (Defense Research and Engineering Network)USUnknown190
2026-07-26DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-07-25DoD High Performance Computing (Defense Research and Engineering Network)USUnknown194
2026-07-24DoD High Performance Computing (Defense Research and Engineering Network)USUnknown188
2026-07-23DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-22DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-21DoD High Performance Computing (Defense Research and Engineering Network)USUnknown190
2026-07-20DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-19DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-18DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-17DoD High Performance Computing (Defense Research and Engineering Network)USUnknown188
2026-07-16DoD High Performance Computing (Defense Research and Engineering Network)USUnknown193
2026-07-15DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-14DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-13DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-12DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-07-11DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-07-10DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-09DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-08DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-07DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-06DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-07-05DoD High Performance Computing (Defense Research and Engineering Network)USUnknown191
2026-07-04DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-03DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-02DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-07-01DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-30DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-29DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-28DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-27DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-26DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-25DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-24DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-23DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-22DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-21DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-20DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-19DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-18DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-17DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-16DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-15DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-14DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192
2026-06-13DoD High Performance Computing (Defense Research and Engineering Network)USUnknown192

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-08-18199.123.105.0/24ReleasedAS668—
2026-08-04199.10.233.0/24Acquired—AS668
2026-08-01199.10.233.0/24ReleasedAS668—
2026-07-31137.128.0.0/16Acquired—AS668
2026-07-30137.128.0.0/16ReleasedAS668—
2026-07-28147.241.56.0/21Acquired—AS668
2026-07-28147.241.128.0/21Acquired—AS668
2026-07-28147.241.168.0/21Acquired—AS668
2026-07-28147.241.176.0/21Acquired—AS668
2026-07-27147.241.56.0/21ReleasedAS668—
2026-07-27147.241.128.0/21ReleasedAS668—
2026-07-27147.241.168.0/21ReleasedAS668—
2026-07-27147.241.176.0/21ReleasedAS668—
2026-07-25147.241.104.0/22Acquired—AS668
2026-07-25155.148.0.0/17Acquired—AS668
2026-07-25155.148.128.0/18Acquired—AS668
2026-07-25155.148.192.0/19Acquired—AS668
2026-07-25155.148.224.0/20Acquired—AS668
2026-07-25155.148.240.0/21Acquired—AS668
2026-07-24147.241.104.0/22ReleasedAS668—
2026-07-24155.29.152.0/21AcquiredAS252AS668
2026-07-24155.148.0.0/17ReleasedAS668—
2026-07-24155.148.128.0/18ReleasedAS668—
2026-07-24155.148.192.0/19ReleasedAS668—
2026-07-24155.148.224.0/20ReleasedAS668—
2026-07-24155.148.240.0/21ReleasedAS668—
2026-07-22131.92.132.0/22Acquired—AS668
2026-07-22147.241.120.0/22Acquired—AS668
2026-07-22199.123.105.0/24Acquired—AS668
2026-07-21131.92.132.0/22ReleasedAS668—
2026-07-21147.241.120.0/22ReleasedAS668—
2026-07-21199.123.105.0/24ReleasedAS668—
2026-07-18147.241.104.0/22Acquired—AS668
2026-07-18155.148.128.0/18Acquired—AS668
2026-07-18155.148.192.0/19Acquired—AS668
2026-07-18155.148.224.0/20Acquired—AS668
2026-07-18155.148.240.0/21Acquired—AS668
2026-07-17147.241.104.0/22ReleasedAS668—
2026-07-17155.148.128.0/18ReleasedAS668—
2026-07-17155.148.192.0/19ReleasedAS668—
2026-07-17155.148.224.0/20ReleasedAS668—
2026-07-17155.148.240.0/21ReleasedAS668—
2026-07-16140.5.0.0/16Acquired—AS668
2026-07-13132.45.0.0/16Acquired—AS668
2026-07-11132.45.0.0/16ReleasedAS668—
2026-07-07214.29.136.0/21Acquired—AS668
2026-07-05214.29.136.0/21ReleasedAS668—
2026-06-16147.241.72.0/21Origin set changedAS668, AS749AS668
← Newer changesChanges page 2