AS37
US DoD Naval Surface Warfare Center
USUnknown2026-07-19
Announced prefixes 18
128.38.0.0/16198.91.64.0/21198.91.64.0/24198.91.65.0/24198.91.66.0/24198.91.67.0/24198.91.69.0/24198.91.70.0/24198.91.71.0/24198.91.72.0/23198.91.72.0/24198.91.73.0/24199.10.8.0/22199.10.8.0/24199.10.10.0/24199.10.11.0/24199.10.12.0/232001:480:501::/48Snapshot history
| Date | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| 2026-11-10 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-09 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-08 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-07 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-06 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-05 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-04 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-03 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-02 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-11-01 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-31 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-30 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-29 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-28 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-27 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-26 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-25 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-24 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-23 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-22 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-21 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-20 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-19 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-18 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-17 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-16 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-15 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-14 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-13 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-12 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-11 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-10 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-09 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-08 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-07 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-06 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-05 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-04 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-03 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-02 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-10-01 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-30 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-29 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-28 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-27 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-26 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-25 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-24 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-23 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-22 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-21 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-20 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-19 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-18 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-17 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-16 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-15 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-14 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-13 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-12 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-11 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-10 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-09 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-08 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-07 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-06 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-05 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-04 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-03 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-02 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-09-01 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-31 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-30 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-29 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-28 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-27 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-26 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-25 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-24 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-23 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-22 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-21 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-20 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-19 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-18 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-17 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-16 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-15 | US DoD Naval Surface Warfare Center | US | Unknown | 0 |
| 2026-08-14 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-13 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-12 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-11 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-10 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-09 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-08 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-07 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-06 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-05 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-04 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-03 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-02 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-08-01 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-31 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-30 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-29 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-28 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-27 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-26 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-25 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-24 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-23 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-22 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-21 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-20 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-19 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-18 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-17 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-16 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-15 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-14 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-13 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-12 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-11 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-10 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-09 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-08 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-07 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-06 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-05 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-04 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-03 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-02 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-07-01 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-30 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-29 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-28 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-27 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-26 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-25 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-24 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-23 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-22 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-21 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-20 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-19 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-18 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-17 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-16 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-15 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-14 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
| 2026-06-13 | US DoD Naval Surface Warfare Center | US | Unknown | 18 |
IP-block changes
Open full filtered history →| Observed | Block | Action | Previous origins | New origins |
|---|---|---|---|---|
| 2026-08-16 | 128.38.0.0/16 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.64.0/21 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.64.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.65.0/24 | Acquired | AS749 | AS37 |
| 2026-08-16 | 198.91.66.0/24 | Acquired | AS749 | AS37 |
| 2026-08-16 | 198.91.67.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.69.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.70.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.71.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.72.0/23 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.72.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 198.91.73.0/24 | Acquired | AS749 | AS37 |
| 2026-08-16 | 199.10.8.0/22 | Acquired | — | AS37 |
| 2026-08-16 | 199.10.8.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 199.10.10.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 199.10.11.0/24 | Acquired | — | AS37 |
| 2026-08-16 | 199.10.12.0/23 | Acquired | — | AS37 |
| 2026-08-16 | 2001:480:501::/48 | Acquired | — | AS37 |
| 2026-08-15 | 128.38.0.0/16 | Released | AS37 | — |
| 2026-08-15 | 198.91.64.0/21 | Released | AS37 | — |
| 2026-08-15 | 198.91.64.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.65.0/24 | Released | AS37 | AS749 |
| 2026-08-15 | 198.91.66.0/24 | Released | AS37 | AS749 |
| 2026-08-15 | 198.91.67.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.69.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.70.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.71.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.72.0/23 | Released | AS37 | — |
| 2026-08-15 | 198.91.72.0/24 | Released | AS37 | — |
| 2026-08-15 | 198.91.73.0/24 | Released | AS37 | AS749 |
| 2026-08-15 | 199.10.8.0/22 | Released | AS37 | — |
| 2026-08-15 | 199.10.8.0/24 | Released | AS37 | — |
| 2026-08-15 | 199.10.10.0/24 | Released | AS37 | — |
| 2026-08-15 | 199.10.11.0/24 | Released | AS37 | — |
| 2026-08-15 | 199.10.12.0/23 | Released | AS37 | — |
| 2026-08-15 | 2001:480:501::/48 | Released | AS37 | — |
Changes page 1