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 Rensselaer Polytechnic Institute
Rensselaer Polytechnic Institute is a private research university in Troy, New York, United States. It is the oldest technological university in the English-speaking world and in the Western Hemisphere.
Network profile
Source: PeeringDB →AS91 — 全球 IP 足迹
AS 所在城市91 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 |
|---|---|---|---|---|---|---|
| 128.113.0.0/16 | 65.5K |
44.1%
|
Rensselaer Polytechnic Institute | US | New York | Saratoga Springs |
| 128.213.0.0/16 | 65.5K |
12.7%
|
Rensselaer Polytechnic Institute | US | New York | Troy |
| 129.5.0.0/16 | 65.5K |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 129.161.0.0/16 | 65.5K |
60.6%
|
Rensselaer Polytechnic Institute | US | New York | Troy |
| 146.8.0.0/16 | 65.5K |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 204.76.224.0/22 | 1.0K |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 204.76.222.0/23 | 512 |
43.4%
|
Rensselaer Polytechnic Institute | US | — | — |
| 204.76.228.0/23 | 512 |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 192.12.91.0/24 | 256 |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 192.12.92.0/24 | 256 |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
| 204.145.205.0/24 | 256 |
0.0%
|
Rensselaer Polytechnic Institute | US | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS91 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 |
|---|---|---|
| 204.76.222.0/24 | 9,693 | 2026-07-29 03:06:14 |
| 129.161.0.0/16 | 6,884 | 2026-07-29 02:23:07 |
| 128.113.0.0/16 | 6,875 | 2026-07-29 02:23:07 |
| 128.213.0.0/16 | 6,867 | 2026-07-29 02:23:07 |
| 204.145.205.0/24 | 6,795 | 2026-07-29 02:23:07 |
| 204.76.223.0/24 | 6,778 | 2026-07-29 02:23:07 |
| 146.8.0.0/16 | 6,773 | 2026-07-29 02:23:07 |
| 204.76.228.0/23 | 6,763 | 2026-07-29 02:23:07 |
| 204.76.224.0/22 | 6,737 | 2026-07-29 02:23:07 |
| 129.5.0.0/16 | 5,038 | 2026-07-29 01:18:43 |
| 192.12.91.0/24 | 5,000 | 2026-07-29 01:18:43 |
| 192.12.92.0/24 | 5,000 | 2026-07-29 01:18:43 |
Frequently Asked Questions
什么是 AS91？
AS91 是分配给 Rensselaer Polytechnic Institute 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。
AS91 公告了多少个 IP 地址？
AS91 公告了 330.5K 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 AS91？
AS91 由 Rensselaer Polytechnic Institute 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。
AS91 在哪个国家注册？
AS91 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。
