IPv4 ↕️ | Name ↕️ | Description ↕️ |
---|---|---|
66.159.228.0/24 | | Proofpoint, Inc. |
66.159.238.0/23 | | Proofpoint, Inc. |
66.159.250.0/23 | | Proofpoint, Inc. |
67.231.152.0/24 | | Proofpoint, Inc. |
67.231.153.0/24 | | Proofpoint, Inc. |
IPv6 ↕️ | Name ↕️ | Description ↕️ |
---|---|---|
2620:0:2900::/48 | | Cloudmark, Inc. |
2620:0:2902::/48 | | Cloudmark, Inc. |
2620:100:9004::/47 | | Proofpoint, Inc. |
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