hbcc-test.blackboard.com的IP地址是：3.74.72.90 数字IP:55199834
ASN归属地 ：美国Amazon EC2服务器 United States Fairfield
| IPV4地址 | 3.74.72.90 |
| 数字IP地址 | 55199834 |
| IPV6地址 | 0000:0000:0000:0000:0000:ffff:034a:485a |
| 映射IPv6地址 | ::ffff:34a:485a |
| 兼容IPv6地址 | ::34a:485a |
| 兼容IPV4的IPV6地址 | 0:0:0:0:0:0:3.74.72.90 |
| ::3.74.72.90 |
3.74.72.90 2026-01-07----2026-01-08
3.65.138.239 2026-01-06----2026-01-06
37.216.222.21 2024-11-05----2024-12-07
hbcc-test.blackboard.com 2026-01-07----2026-01-08