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
- Multiple-origin (MOAS) routing anomaly −12
- Academic allocation +6
- Trust score 59 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About University of Delaware
The University of Delaware is a privately governed, state-assisted land-grant research university in Newark, Delaware, United States. UD offers 4 associate programs, 163 bachelor's programs, 136 master's programs, and 64 doctoral programs across its ten colleges and schools.
⚠ 11 MOAS 前缀es — 检测到多源 ASNs
所有 MOAS 异常 →此前由 AS2 公告的稳定前缀现在也由另一个 ASN 公告（MOAS — 多源 AS），这是通过我们的 RIPE RIS 收集器检测到的。这通常是良性的（任播、多宿主或近期转移）—— 但它可能预示着路由泄漏或前缀劫持，因此值得检查。
| 前缀 | 源 ASNs | 最后检测 (UTC) |
|---|---|---|
| 196.13.136.0/24 | AS2, AS327753 | 2026-07-25 19:08:59 |
| 194.190.54.0/24 | AS2, AS203794 | 2026-07-25 19:08:59 |
| 189.76.77.0/24 | AS2, AS52752 | 2026-07-25 19:08:59 |
| 194.190.53.0/24 | AS2, AS203794 | 2026-07-25 19:08:59 |
| 189.39.185.0/24 | AS2, AS270792 | 2026-07-25 04:53:54 |
| 14.96.184.0/24 | AS2, AS45820 | 2026-07-24 21:23:51 |
| 164.163.138.0/24 | AS2, AS265955 | 2026-07-24 18:23:49 |
| 45.238.152.0/22 | AS2, AS266844 | 2026-07-24 15:23:49 |
| 103.134.108.0/24 | AS2, AS135715 | 2026-07-24 04:23:45 |
| 103.195.255.0/24 | AS2, AS138283 | 2026-07-24 03:38:44 |
| 129.205.64.0/20 | AS2, AS37628 | 2026-07-23 19:53:41 |
热门 CIDR 范围
| CIDR | IP 地址 | PTR Density | 组织 | 国家 | State | City |
|---|---|---|---|---|---|---|
| 128.4.0.0/16 | 65.5K |
92.5%
|
University of Delaware | US | Delaware | Newark |
| 171.79.128.0/19 | 8.2K |
0.0%
|
University of Delaware | IN | Rajasthan | Jaipur |
| 91.143.144.0/20 | 4.1K |
0.2%
|
University of Delaware | RU | — | — |
| 91.143.148.0/22 | 1.0K |
0.0%
|
University of Delaware | RU | — | — |
| 91.143.156.0/22 | 1.0K |
0.0%
|
University of Delaware | RU | — | — |
| 91.143.146.0/23 | 512 |
0.0%
|
University of Delaware | RU | — | — |
| 91.143.152.0/23 | 512 |
0.0%
|
University of Delaware | US | — | — |
| 45.161.25.0/24 | 256 |
0.0%
|
University of Delaware | SV | San Salvador Department | San Salvador |
| 91.143.144.0/24 | 256 |
0.0%
|
University of Delaware | RU | — | — |
| 91.143.145.0/24 | 256 |
0.0%
|
University of Delaware | US | — | — |
| 91.143.154.0/24 | 256 |
0.0%
|
University of Delaware | US | — | — |
| 91.143.155.0/24 | 256 |
0.0%
|
University of Delaware | RU | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS2 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 |
|---|---|---|
| 171.79.128.0/20 | 50,316 | 2026-07-25 19:09:47 |
| 171.79.144.0/20 | 50,271 | 2026-07-25 19:09:47 |
| 189.76.77.0/24 | 21,710 | 2026-07-25 02:01:22 |
| 189.39.185.0/24 | 10,058 | 2026-07-24 05:08:22 |
| 128.4.0.0/16 | 9,397 | 2026-07-25 15:46:34 |
| 91.143.144.0/20 | 7,927 | 2026-07-25 19:08:03 |
| 194.190.53.0/24 | 5,638 | 2026-07-25 19:01:01 |
| 194.190.54.0/24 | 5,636 | 2026-07-25 19:01:01 |
| 45.228.75.0/24 | 5,288 | 2026-07-20 20:00:41 |
| 45.228.74.0/24 | 5,168 | 2026-06-26 23:18:02 |
| 103.39.120.0/23 | 4,539 | 2026-07-25 18:27:18 |
| 45.161.25.0/24 | 4,140 | 2026-07-25 06:05:50 |
| 189.39.184.0/24 | 3,860 | 2026-07-24 05:08:22 |
| 103.195.255.0/24 | 1,966 | 2026-06-05 04:05:34 |
| 124.6.227.0/24 | 1,477 | 2026-05-31 11:01:32 |
| 124.6.229.0/24 | 1,474 | 2026-05-31 11:01:32 |
| 124.6.233.0/24 | 1,470 | 2026-05-31 11:01:32 |
| 124.6.232.0/24 | 1,219 | 2026-05-31 11:01:32 |
| 124.6.237.0/24 | 1,136 | 2026-05-31 11:01:32 |
| 124.6.239.0/24 | 1,134 | 2026-05-31 11:01:32 |
| 124.6.226.0/24 | 1,134 | 2026-05-31 11:01:32 |
| 124.6.228.0/24 | 1,132 | 2026-05-31 11:01:32 |
| 124.6.224.0/24 | 1,131 | 2026-05-31 11:01:32 |
| 124.6.236.0/24 | 1,127 | 2026-05-31 11:01:32 |
| 124.6.235.0/24 | 1,117 | 2026-05-31 11:01:32 |
| 204.58.206.0/23 | 1,013 | 2026-06-14 11:41:55 |
| 124.6.234.0/24 | 627 | 2026-05-31 11:01:32 |
| 124.6.225.0/24 | 491 | 2026-05-30 12:29:42 |
| 124.6.230.0/24 | 489 | 2026-05-30 12:29:42 |
| 45.168.187.0/24 | 410 | 2026-06-10 15:25:36 |
| 154.65.12.0/22 | 342 | 2026-07-22 19:57:47 |
| 185.175.65.0/24 | 227 | 2026-07-22 10:05:26 |
| 45.228.73.0/24 | 190 | 2026-06-26 23:18:02 |
| 164.163.138.0/24 | 165 | 2026-07-12 02:44:15 |
| 14.96.184.0/24 | 157 | 2026-07-23 21:38:06 |
| 45.228.72.0/22 | 100 | 2026-06-26 19:42:56 |
| 45.228.72.0/24 | 91 | 2026-06-26 19:42:59 |
| 103.134.108.0/24 | 61 | 2026-07-23 04:24:50 |
| 129.205.64.0/20 | 55 | 2026-07-22 19:57:43 |
| 196.13.136.0/24 | 37 | 2026-07-25 07:42:06 |
| 45.234.11.0/24 | 28 | 2026-06-17 01:25:26 |
| 177.84.64.0/21 | 26 | 2026-07-21 21:52:09 |
| 163.223.60.0/24 | 25 | 2026-07-12 04:26:59 |
| 154.64.35.0/24 | 25 | 2026-07-10 02:32:42 |
| 163.223.61.0/24 | 25 | 2026-07-12 04:26:59 |
| 189.84.176.0/20 | 24 | 2026-07-21 21:52:09 |
| 189.84.160.0/20 | 24 | 2026-07-21 21:52:09 |
| 179.107.128.0/19 | 24 | 2026-07-21 21:52:09 |
| 177.137.240.0/21 | 24 | 2026-07-21 21:52:09 |
| 103.167.70.0/23 | 21 | 2026-07-06 20:52:32 |
显示前 50 of 73 按样本量公告的前缀。
Frequently Asked Questions
什么是 AS2？
AS2 是分配给 University of Delaware 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。
AS2 公告了多少个 IP 地址？
AS2 公告了 78.1K 个 IPv4 地址，分布在 4 个路由 CIDR 前缀中。 该网络在 United States 注册。
谁运营 AS2？
AS2 由 University of Delaware 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。
AS2 在哪个国家注册？
AS2 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。
