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自治系统

AS20249

Jefferies LLC

已宣布的 IP 地址
18,432
CIDR 前缀
19
ASN
AS20249

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.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 2 MOAS 前缀es — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS20249 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)
169.196.65.0/24 AS20249, AS198949 2026-07-24 22:23:51
169.196.67.0/24 AS20249, AS198949 2026-07-24 22:23:51

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
169.196.160.0/19 8.2K
0.9%
Jefferies LLC US
169.196.248.0/21 2.0K
0.2%
Jefferies LLC US New Jersey Spring Lake
169.196.0.0/22 1.0K
0.1%
Jefferies LLC US
169.196.196.0/22 1.0K
0.4%
Jefferies LLC US
169.196.240.0/22 1.0K
3.2%
Jefferies LLC US New Jersey Spring Lake
169.196.18.0/23 512
0.0%
Jefferies LLC US
169.196.72.0/23 512
0.0%
Jefferies LLC US
169.196.96.0/23 512
0.0%
Jefferies LLC US
169.196.202.0/23 512
0.0%
Jefferies LLC US
169.196.246.0/23 512
0.0%
Jefferies LLC US
185.55.134.0/23 512
0.0%
Jefferies LLC GB
169.196.18.0/24 256
0.0%
Jefferies LLC HK
169.196.19.0/24 256
0.0%
Jefferies LLC US
169.196.55.0/24 256
0.0%
Jefferies LLC US
169.196.71.0/24 256
0.0%
Jefferies LLC US
169.196.110.0/24 256
0.0%
Jefferies LLC US
169.196.116.0/24 256
0.0%
Jefferies LLC US
169.196.119.0/24 256
0.0%
Jefferies LLC US
169.196.156.0/24 256
0.0%
Jefferies LLC US
169.196.196.0/24 256
0.0%
Jefferies LLC GB
169.196.197.0/24 256
0.0%
Jefferies LLC US
169.196.199.0/24 256
0.0%
Jefferies LLC US
169.196.219.0/24 256
0.0%
Jefferies LLC US
169.196.244.0/24 256
0.0%
Jefferies LLC US
169.196.198.128/25 128
0.0%
Jefferies LLC US
169.196.198.64/26 64
0.0%
Jefferies LLC GB
169.196.198.0/27 32
0.0%
Jefferies LLC US
169.196.198.32/27 32
0.0%
Jefferies LLC GB

BGP 公告前缀

实时 BGP 异常 →

前缀 AS20249 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
169.196.52.0/23 54,083 2026-07-24 22:27:11
169.196.72.0/23 16,384 2026-07-24 22:08:16
169.196.198.0/23 16,358 2026-07-24 22:08:16
169.196.202.0/23 16,217 2026-07-24 22:08:16
169.196.56.0/23 16,054 2026-07-24 22:00:55
185.55.134.0/23 15,521 2026-07-24 22:08:16
169.196.18.0/23 12,605 2026-07-24 21:56:26
169.196.48.0/23 12,491 2026-07-24 22:06:58
169.196.196.0/23 12,058 2026-07-24 22:08:16
169.196.2.0/23 11,623 2026-07-24 20:28:20
169.196.160.0/19 11,326 2026-07-24 20:28:29
169.196.96.0/23 11,057 2026-07-24 22:26:40
169.196.220.0/22 11,009 2026-07-24 22:06:43
169.196.128.0/18 10,936 2026-07-24 22:06:43
169.196.224.0/19 10,935 2026-07-24 22:06:43
169.196.240.0/20 10,911 2026-07-24 20:28:29
169.196.76.0/22 10,864 2026-07-24 22:08:16
185.55.132.0/22 10,749 2026-07-24 22:08:16
185.55.132.0/23 10,730 2026-07-24 22:08:16
169.196.0.0/23 10,029 2026-07-24 20:28:29
169.196.71.0/24 9,971 2026-07-24 22:09:07
169.196.65.0/24 7,197 2026-07-24 20:06:26
169.196.55.0/24 5,839 2026-07-24 22:07:03
169.196.110.0/24 5,630 2026-07-24 22:07:03
169.196.68.0/23 5,568 2026-07-24 20:28:20
169.196.96.0/24 5,379 2026-07-24 22:04:06
169.196.18.0/24 5,363 2026-07-24 22:04:06
169.196.160.0/20 5,310 2026-07-24 22:04:06
185.55.134.0/24 5,276 2026-07-24 22:04:06
169.196.203.0/24 5,268 2026-07-24 22:04:06
169.196.3.0/24 5,248 2026-07-24 22:04:06
169.196.240.0/21 5,230 2026-07-24 22:04:06
169.196.196.0/24 5,226 2026-07-24 22:04:06
169.196.19.0/24 5,223 2026-07-24 22:04:06
169.196.97.0/24 5,210 2026-07-24 22:04:06
169.196.202.0/24 5,205 2026-07-24 22:04:06
169.196.199.0/24 5,205 2026-07-24 22:04:06
169.196.198.0/24 5,198 2026-07-24 22:04:06
169.196.248.0/21 5,186 2026-07-24 22:04:06
169.196.0.0/24 5,183 2026-07-24 22:04:06
169.196.2.0/24 5,177 2026-07-24 22:04:06
169.196.73.0/24 5,173 2026-07-24 22:04:06
185.55.135.0/24 5,164 2026-07-24 22:04:06
169.196.72.0/24 5,160 2026-07-24 22:04:06
169.196.176.0/20 5,149 2026-07-24 22:04:06
169.196.197.0/24 5,147 2026-07-24 22:04:06
169.196.1.0/24 5,103 2026-07-24 22:04:06
169.196.156.0/24 4,925 2026-07-24 22:08:41
169.196.116.0/24 4,507 2026-07-24 20:28:26
169.196.119.0/24 4,117 2026-07-24 22:06:43

显示前 50 of 53 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS20249?

AS20249 是分配给 Jefferies LLC 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。

AS20249 公告了多少个 IP 地址?

AS20249 公告了 18.4K 个 IPv4 地址,分布在 19 个路由 CIDR 前缀中。 该网络在 United States 注册。

谁运营 AS20249?

AS20249 由 Jefferies LLC 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。

AS20249 在哪个国家注册?

AS20249 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:2026-07-24 22:25:31 UTC
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