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自治系统

AS3

Massachusetts Institute of Technology

已宣布的 IP 地址
1,837,312
CIDR 前缀
20
ASN
AS3

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.

59/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Active-threat / abuse risk −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 Massachusetts Institute of Technology

The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Founded in 1861 to advance "useful knowledge", the university has played a significant role in the development of many areas of technology and science.

Founded
1861
Headquarters
Cambridge
Industry
higher education
Employees
14,032

⚠ 8 MOAS 前缀es — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS3 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)
164.234.12.0/24 AS3, AS27064 2026-09-11 10:25:55
196.13.136.0/24 AS3, AS327753 2026-09-11 10:25:55
103.189.242.0/24 AS3, AS149980 2026-09-11 10:25:55
164.163.138.0/24 AS3, AS265955 2026-09-11 10:25:55
193.242.190.0/24 AS3, AS59404 2026-09-11 10:25:55
103.127.189.0/24 AS3, AS138279 2026-09-11 10:25:55
202.56.160.0/24 AS3, AS45287 2026-09-09 15:25:37
138.99.176.0/24 AS3, AS273110 2026-09-09 11:10:31

Network profile

Source: PeeringDB →
Network type Educational/Research
Geographic scope North America
Traffic ratio Mostly Inbound
Peering policy Restrictive

AS3 — 全球 IP 足迹

AS 所在城市3 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。

在 3D 地球上查看 →

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
18.8.0.0/13 524.3K
2.8%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.4.0.0/14 262.1K
3.3%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.0.0.0/15 131.1K
1.6%
Massachusetts Institute of Technology US
18.16.0.0/15 131.1K
1.2%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.22.0.0/15 131.1K
0.1%
Massachusetts Institute of Technology US
18.26.0.0/15 131.1K
1.4%
Massachusetts Institute of Technology US Massachusetts Cambridge
128.30.0.0/15 131.1K
2.6%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.3.0.0/16 65.5K
1.5%
Massachusetts Institute of Technology US
18.18.0.0/16 65.5K
3.1%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.25.0.0/16 65.5K
12.9%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.29.0.0/16 65.5K
0.0%
Massachusetts Institute of Technology US Massachusetts Cambridge
18.31.0.0/16 65.5K
0.0%
Massachusetts Institute of Technology US
128.52.0.0/16 65.5K
6.7%
Massachusetts Institute of Technology US
192.52.62.0/23 512
13.7%
Massachusetts Institute of Technology US
192.52.64.0/23 512
8.4%
Massachusetts Institute of Technology US
45.170.62.0/24 256
0.0%
Massachusetts Institute of Technology BR Federal District Brasília
128.201.194.0/24 256
90.6%
Massachusetts Institute of Technology BR São Paulo São Paulo
160.137.193.0/24 256
71.1%
Massachusetts Institute of Technology US
192.52.61.0/24 256
37.1%
Massachusetts Institute of Technology US
193.242.190.0/24 256
0.0%
Massachusetts Institute of Technology RU

BGP 公告前缀

实时 BGP 异常 →

前缀 AS3 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
143.137.212.0/22 38,789 2026-08-31 18:13:32
160.137.193.0/24 29,372 2026-08-24 23:36:19
160.137.211.0/24 29,348 2026-08-24 23:36:19
160.137.111.0/24 29,339 2026-08-24 23:36:19
128.201.194.0/24 25,554 2026-08-31 15:24:42
103.162.43.0/24 22,105 2026-06-29 09:09:14
18.7.120.0/24 21,880 2026-09-11 10:14:16
18.7.118.0/24 21,823 2026-09-11 10:14:16
18.7.119.0/24 21,823 2026-09-11 10:14:16
18.7.108.0/24 21,822 2026-09-11 10:14:16
18.7.117.0/24 21,787 2026-09-11 10:14:16
18.7.102.0/24 21,738 2026-09-11 10:14:16
45.170.62.0/24 11,474 2026-09-05 23:34:23
128.201.192.0/23 11,239 2026-08-31 15:09:21
18.7.54.0/24 10,153 2026-09-11 10:14:16
18.7.80.0/24 10,039 2026-09-11 10:14:16
18.3.111.0/24 10,025 2026-09-11 10:14:16
18.7.39.0/24 10,021 2026-09-11 10:14:16
18.7.32.0/24 10,018 2026-09-11 10:14:16
18.7.82.0/24 9,989 2026-09-11 10:14:16
18.7.23.0/24 9,988 2026-09-11 10:14:16
128.201.192.0/22 9,968 2026-07-13 06:46:19
18.7.84.0/24 9,712 2026-09-11 10:14:16
193.242.190.0/24 8,885 2026-09-11 10:11:20
168.235.162.0/24 8,497 2026-06-15 18:42:36
18.17.0.0/16 8,345 2026-09-11 10:13:40
18.23.0.0/16 8,325 2026-09-11 10:13:40
168.235.163.0/24 8,189 2026-06-15 17:20:11
18.11.0.0/16 7,934 2026-09-11 10:20:09
18.27.0.0/16 7,904 2026-09-11 10:20:09
18.10.0.0/16 7,838 2026-09-11 10:20:09
18.31.0.0/16 7,836 2026-09-11 10:20:09
18.29.0.0/16 7,819 2026-09-11 10:20:09
18.26.0.0/16 7,816 2026-09-11 10:20:09
18.0.0.0/16 7,737 2026-09-11 10:20:09
18.16.0.0/16 7,708 2026-09-11 10:20:09
18.8.0.0/16 7,704 2026-09-11 10:20:09
18.14.0.0/16 7,703 2026-09-11 10:20:09
18.9.0.0/16 7,701 2026-09-11 10:20:09
18.6.0.0/16 7,698 2026-09-11 10:20:09
18.25.0.0/16 7,696 2026-09-11 10:20:09
18.1.0.0/16 7,693 2026-09-11 10:20:09
18.15.0.0/16 7,691 2026-09-11 10:20:09
18.4.0.0/16 7,689 2026-09-11 10:20:09
18.3.156.0/24 7,688 2026-07-13 06:46:21
18.13.0.0/16 7,682 2026-09-11 10:20:09
18.12.0.0/16 7,675 2026-09-11 10:20:09
18.5.0.0/16 7,673 2026-09-11 10:20:09
18.7.0.0/16 7,667 2026-09-11 10:20:09
18.18.0.0/16 7,665 2026-09-11 10:20:09

显示前 50 of 165 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS3?

AS3 是分配给 Massachusetts Institute of Technology 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。

AS3 公告了多少个 IP 地址?

AS3 公告了 1.84M 个 IPv4 地址,分布在 20 个路由 CIDR 前缀中。 该网络在 United States 注册。

谁运营 AS3?

AS3 由 Massachusetts Institute of Technology 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。

AS3 在哪个国家注册?

AS3 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。

最后更新:2026-09-11 10:26:07 UTC
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