AS25
University of California at Berkeley
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 University of California, Berkeley
The University of California, Berkeley is a public land-grant research university in the Southside and Northside neighborhoods of Berkeley, California, United States. Founded in 1868 and named after the Anglo-Irish philosopher George Berkeley, it is the state's first land-grant university and the founding campus of the University of California system.
热门 CIDR 范围
| CIDR | IP 地址 | PTR Density | 组织 | 国家 | State | City |
|---|---|---|---|---|---|---|
| 128.32.0.0/16 | 65.5K |
22.7%
|
University of California at Berkeley | US | California | Oakland |
| 136.152.0.0/16 | 65.5K |
21.4%
|
University of California at Berkeley | US | California | Albany |
| 169.229.0.0/16 | 65.5K |
25.0%
|
University of California at Berkeley | US | California | Walnut Creek |
| 169.236.240.0/21 | 2.0K |
0.0%
|
University of California at Berkeley | US | — | — |
| 208.68.240.0/22 | 1.0K |
5.4%
|
University of California at Berkeley | US | — | — |
| 192.150.186.0/23 | 512 |
0.0%
|
University of California at Berkeley | US | — | — |
| 192.154.4.0/23 | 512 |
7.6%
|
University of California at Berkeley | US | — | — |
| 67.21.36.0/24 | 256 |
22.7%
|
University of California at Berkeley | US | — | — |
| 192.12.234.0/24 | 256 |
10.2%
|
University of California at Berkeley | US | — | — |
| 192.35.209.0/24 | 256 |
0.0%
|
University of California at Berkeley | US | — | — |
| 192.154.6.0/24 | 256 |
3.5%
|
University of California at Berkeley | US | — | — |
| 209.129.246.0/24 | 256 |
0.0%
|
University of California at Berkeley | US | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS25 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 |
|---|---|---|
| 169.229.176.0/20 | 8,647 | 2026-07-31 02:49:30 |
| 67.21.36.0/24 | 8,001 | 2026-07-31 02:49:26 |
| 192.154.6.0/24 | 7,747 | 2026-07-31 02:50:03 |
| 169.236.240.0/21 | 7,690 | 2026-07-31 02:49:44 |
| 136.152.0.0/16 | 7,632 | 2026-07-31 02:50:03 |
| 128.32.0.0/16 | 7,630 | 2026-07-31 02:50:03 |
| 169.229.0.0/16 | 7,611 | 2026-07-31 02:49:30 |
| 192.12.234.0/24 | 7,596 | 2026-07-31 02:49:44 |
| 192.154.4.0/23 | 7,565 | 2026-07-31 02:49:44 |
| 192.150.186.0/23 | 7,564 | 2026-07-31 02:49:44 |
| 192.35.209.0/24 | 7,490 | 2026-07-31 02:49:30 |
| 208.68.240.0/22 | 7,474 | 2026-07-31 02:50:23 |
| 209.129.246.0/24 | 957 | 2026-07-30 19:22:39 |
Frequently Asked Questions
什么是 AS25？
AS25 是分配给 University of California at Berkeley 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。
AS25 公告了多少个 IP 地址？
AS25 公告了 202.0K 个 IPv4 地址，分布在 12 个路由 CIDR 前缀中。 该网络在 United States 注册。
谁运营 AS25？
AS25 由 University of California at Berkeley 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。
AS25 在哪个国家注册？
AS25 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。
