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 Columbia University
Columbia University in the City of New York, commonly referred to as Columbia University, is a private Ivy League research university in New York City, United States. Established in 1754 as King's College by royal charter under George II of Great Britain on the grounds of Trinity Church in Manhattan, it is the oldest institution of higher education in New York and the fifth-oldest in the United States.
Network profile
Source: PeeringDB →AS14 — 全球 IP 足迹
AS 所在城市14 拥有可衡量的 IPv4 分配。点击任意圆点可打开该城市的页面。大小和颜色随 IP 数量变化。
热门 CIDR 范围
| CIDR | IP 地址 | PTR Density | 组织 | 国家 | State | City |
|---|---|---|---|---|---|---|
| 128.59.0.0/16 | 65.5K |
61.5%
|
Columbia University | US | New York | New York |
| 129.236.0.0/16 | 65.5K |
12.9%
|
Columbia University | US | New York | New York |
| 160.39.0.0/16 | 65.5K |
35.0%
|
Columbia University | US | New York | New York |
| 209.2.208.0/20 | 4.1K |
0.0%
|
Columbia University | US | — | — |
| 209.2.224.0/20 | 4.1K |
32.3%
|
Columbia University | US | New York | Queens |
| 207.10.136.0/21 | 2.0K |
12.9%
|
Columbia University | US | — | — |
| 209.2.48.0/22 | 1.0K |
0.0%
|
Columbia University | US | — | — |
| 192.5.43.0/24 | 256 |
14.1%
|
Columbia University | US | — | — |
| 192.12.82.0/24 | 256 |
5.5%
|
Columbia University | US | — | — |
| 209.2.47.0/24 | 256 |
0.0%
|
Columbia University | US | New York | New York |
| 209.2.185.0/24 | 256 |
0.0%
|
Columbia University | US | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS14 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 |
|---|---|---|
| 192.5.43.0/24 | 9,502 | 2026-07-29 07:12:28 |
| 207.10.136.0/21 | 9,496 | 2026-07-29 07:12:28 |
| 192.12.82.0/24 | 9,480 | 2026-07-29 07:12:28 |
| 129.236.0.0/16 | 8,678 | 2026-07-29 07:12:59 |
| 209.2.47.0/24 | 8,617 | 2026-07-29 07:12:59 |
| 160.39.0.0/16 | 8,611 | 2026-07-29 07:12:59 |
| 209.2.48.0/22 | 8,604 | 2026-07-29 07:12:59 |
| 209.2.185.0/24 | 8,586 | 2026-07-29 07:12:59 |
| 128.59.0.0/16 | 8,578 | 2026-07-29 07:12:59 |
| 209.2.208.0/20 | 8,576 | 2026-07-29 07:12:59 |
| 209.2.224.0/20 | 8,566 | 2026-07-29 07:12:59 |
Frequently Asked Questions
什么是 AS14？
AS14 是分配给 Columbia 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。
AS14 公告了多少个 IP 地址？
AS14 公告了 208.9K 个 IPv4 地址，分布在 11 个路由 CIDR 前缀中。 该网络在 United States 注册。
谁运营 AS14？
AS14 由 Columbia 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。
AS14 在哪个国家注册？
AS14 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。
