Recent tests
| Spoof status key | ||||
|---|---|---|---|---|
| received | Spoofed packet was received. | ✔ | Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it. | |
| rewritten | Spoofed packet was received, but the source address was changed en route. | |||
| blocked | Spoofed packet was not received, but unspoofed packet was. | |||
| unknown | Neither spoofed nor unspoofed packet was received. | |||
| Session | Timestamp (UTC) | Client IP Block | ASN | Country | NAT | Outbound Private Status | Outbound Routable Status | Adj Spoof Prefix Len | Results | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2181829 | 2026-06-18 07:29:11 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2178094 | 2026-06-11 18:15:09 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2177739 | 2026-06-11 06:22:05 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2174155 | 2026-06-04 14:08:36 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2173923 | 2026-06-04 05:14:52 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2169436 | 2026-05-28 04:07:43 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2168403 | 2026-05-26 13:10:54 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2165178 | 2026-05-21 03:00:35 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2163575 | 2026-05-18 15:38:27 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2161074 | 2026-05-14 01:53:26 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2159346 | 2026-05-11 13:59:21 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2156991 | 2026-05-07 00:46:18 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2154997 | 2026-05-03 15:22:49 | 128.220.247.x/24 | 5723 (JHU) | usa (United States) | yes | unknown | unknown | none | Report | ||
| 2153832 | 2026-04-30 20:28:02 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2153339 | 2026-04-29 23:39:13 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2150160 | 2026-04-23 17:05:20 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2149753 | 2026-04-22 22:32:07 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2147548 | 2026-04-18 13:42:46 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2146439 | 2026-04-16 12:51:27 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2146159 | 2026-04-15 21:24:59 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2142567 | 2026-04-08 20:17:50 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2142396 | 2026-04-08 14:33:30 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2138877 | 2026-04-01 19:10:43 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2138270 | 2026-03-31 19:16:48 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2138267 | 2026-03-31 19:03:33 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2134916 | 2026-03-25 18:03:38 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2134307 | 2026-03-24 17:47:54 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2131070 | 2026-03-18 16:56:32 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2130544 | 2026-03-17 16:49:26 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2130541 | 2026-03-17 16:40:44 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2130534 | 2026-03-17 16:25:39 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2130530 | 2026-03-17 16:08:22 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2128224 | 2026-03-13 06:27:13 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2126698 | 2026-03-10 15:18:31 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2126655 | 2026-03-10 13:25:31 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2126251 | 2026-03-09 19:55:31 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2124371 | 2026-03-06 05:20:05 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2122785 | 2026-03-03 13:32:53 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2122563 | 2026-03-03 03:14:55 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2122222 | 2026-03-02 15:58:29 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2118763 | 2026-02-24 02:07:47 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2118453 | 2026-02-23 17:04:29 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2116364 | 2026-02-19 18:53:06 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2114949 | 2026-02-17 13:48:45 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2114947 | 2026-02-17 13:43:04 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2114569 | 2026-02-17 01:00:24 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2114196 | 2026-02-16 14:12:08 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2110825 | 2026-02-10 14:41:02 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2110619 | 2026-02-10 08:30:47 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2110226 | 2026-02-09 19:07:33 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2108475 | 2026-02-06 14:16:25 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2108226 | 2026-02-06 02:35:10 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2108124 | 2026-02-05 20:55:11 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2107900 | 2026-02-05 13:47:54 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2105180 | 2026-02-01 02:35:37 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2105179 | 2026-02-01 02:29:54 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2104096 | 2026-01-29 20:42:50 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2103407 | 2026-01-28 19:51:56 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2103319 | 2026-01-28 17:19:44 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2103315 | 2026-01-28 17:10:51 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2103264 | 2026-01-28 15:33:04 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2102850 | 2026-01-27 20:46:21 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2099249 | 2026-01-21 14:25:19 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2098793 | 2026-01-20 19:38:47 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2098631 | 2026-01-20 13:52:51 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2096514 | 2026-01-16 19:18:10 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2096508 | 2026-01-16 19:10:22 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2094782 | 2026-01-13 18:31:07 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2093932 | 2026-01-12 15:08:58 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2090861 | 2026-01-06 17:23:28 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2090139 | 2026-01-05 19:20:08 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2089950 | 2026-01-05 14:01:03 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2087403 | 2025-12-30 16:15:54 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2084081 | 2025-12-23 15:08:20 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2082209 | 2025-12-19 19:31:00 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2081432 | 2025-12-18 15:27:00 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2080192 | 2025-12-16 17:32:04 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2080044 | 2025-12-16 14:00:41 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2077351 | 2025-12-11 18:03:59 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2076041 | 2025-12-09 18:54:01 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2075837 | 2025-12-09 12:52:56 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2072704 | 2025-12-03 16:27:16 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072681 | 2025-12-03 15:44:55 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072667 | 2025-12-03 15:22:33 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072661 | 2025-12-03 15:10:10 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072658 | 2025-12-03 15:04:53 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072255 | 2025-12-02 21:07:24 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072219 | 2025-12-02 19:44:24 | 162.129.251.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2072174 | 2025-12-02 17:46:15 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2071948 | 2025-12-02 11:45:12 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2071672 | 2025-12-01 21:38:14 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2071663 | 2025-12-01 21:25:53 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2068177 | 2025-11-25 16:38:16 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2068004 | 2025-11-25 10:37:32 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2067711 | 2025-11-24 20:18:44 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2065540 | 2025-11-20 20:39:45 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2064196 | 2025-11-18 14:54:03 | 128.220.159.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | blocked | /16 | Report | ||
| 2064005 | 2025-11-18 09:29:50 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | rewritten | rewritten | none | Report | ||
| 2061678 | 2025-11-13 19:32:24 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2061641 | 2025-11-13 18:50:02 | 128.220.3.x/24 | 5723 (JHU) | usa (United States) | yes | blocked | blocked | none | Report | ||
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