Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Carnegie Mellon University
Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools.
Network profile
Source: PeeringDB →热门 CIDR 范围
| CIDR | IP 地址 | PTR Density | 组织 | 国家 | State | City |
|---|---|---|---|---|---|---|
| 128.2.0.0/16 | 65.5K |
26.7%
|
Carnegie Mellon University | US | Pennsylvania | Pittsburgh |
| 128.237.0.0/16 | 65.5K |
2.4%
|
Carnegie Mellon University | US | Pennsylvania | Pittsburgh |
| 204.194.28.0/22 | 1.0K |
0.7%
|
Carnegie Mellon University | US | — | — |
| 209.129.244.0/23 | 512 |
7.4%
|
Carnegie Mellon University | US | — | — |
| 103.107.252.0/24 | 256 |
95.3%
|
ATOS IT Solutions and Services, Inc. | IN | — | — |
| 192.5.146.0/24 | 256 |
0.0%
|
Carnegie Mellon University | US | — | — |
| 192.12.32.0/24 | 256 |
2.7%
|
Carnegie Mellon University | US | — | — |
| 192.58.107.0/24 | 256 |
0.0%
|
Carnegie Mellon University | US | — | — |
| 192.80.210.0/24 | 256 |
0.0%
|
Carnegie Mellon University | US | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS9 实际源自 BGP，通过我们的 RIPE RIS 收集器观测。此实时路由视图可能与上述注册分配有所不同。
| Prefix | 公告样本 | 最后观测 |
|---|---|---|
| 209.129.244.0/23 | 6,325 | 2026-07-30 06:14:16 |
| 128.237.0.0/16 | 5,807 | 2026-07-30 06:05:54 |
| 128.2.0.0/16 | 5,805 | 2026-07-30 06:05:54 |
| 192.5.146.0/24 | 5,764 | 2026-07-30 06:05:54 |
| 192.80.210.0/24 | 5,759 | 2026-07-30 06:05:54 |
| 192.12.32.0/24 | 5,753 | 2026-07-30 06:05:54 |
| 192.58.107.0/24 | 5,744 | 2026-07-30 06:05:54 |
| 204.194.28.0/22 | 5,732 | 2026-07-30 06:05:54 |
| 147.72.252.0/22 | 593 | 2026-07-29 10:41:09 |
Frequently Asked Questions
什么是 AS9？
AS9 是分配给 Carnegie Mellon University 的自治系统编号 (Autonomous System Number)。ASN 标识一个控制特定 IP 地址集的网络，并通过 BGP（边界网关协议）确定流量如何在互联网上传输。
AS9 公告了多少个 IP 地址？
AS9 公告了 133.9K 个 IPv4 地址，分布在 9 个路由 CIDR 前缀中。 该网络在 United States 注册。
谁运营 AS9？
AS9 由 Carnegie Mellon University 运营。 该组织总部位于 United States。 您可以在组织页面查看所有 IP 范围和相关 ASNs。
AS9 在哪个国家注册？
AS9 在 United States 注册。这表明网络运营商的总部所在地，尽管其公告的 IP 地址可能服务全球用户。
