Skip to main content
自治系统

AS20559

Fundaments B.V.

已宣布的 IP 地址
33,536
CIDR 前缀
30
ASN
AS20559

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 →

⚠ 1 MOAS 前缀 — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS20559 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)
185.41.136.0/22 AS20559, AS57325 2026-09-13 05:56:10

Network profile

Source: PeeringDB →
Network type Enterprise
Traffic level 5-10Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record RIPE::AS-FUNDAMENTS

Present at 6 internet exchanges: AMS-IX, NL-ix: Main, NDIX, Speed-IX: SPEED-IX, Frys-IX, LSIX: Main

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
93.186.176.0/20 4.1K
20.6%
Fundaments B.V. NL Overijssel Hengelo
5.172.40.0/21 2.0K
9.1%
Fundaments B.V. NL
31.200.208.0/21 2.0K
6.9%
Fundaments B.V. NL Gelderland Ubbergen
37.220.168.0/21 2.0K
9.6%
Fundaments B.V. NL
46.19.216.0/21 2.0K
9.0%
Fundaments B.V. NL Overijssel Almelo
46.226.88.0/21 2.0K
4.0%
Fundaments B.V. NL Gelderland Alphen
78.31.112.0/21 2.0K
0.0%
Fundaments B.V. NL
45.13.164.0/22 1.0K
0.4%
Fundaments B.V. NL
45.133.196.0/22 1.0K
0.0%
Fundaments B.V. NL
45.146.124.0/22 1.0K
0.0%
Fundaments B.V. NL
85.209.108.0/22 1.0K
4.3%
Fundaments B.V. NL
88.218.152.0/22 1.0K
1.8%
Fundaments B.V. NL
91.197.72.0/22 1.0K
23.8%
Fundaments B.V. NL
91.218.148.0/22 1.0K
4.8%
Fundaments B.V. NL
185.46.64.0/22 1.0K
0.0%
Fundaments B.V. NL
185.51.56.0/22 1.0K
0.0%
Fundaments B.V. NL
185.52.60.0/22 1.0K
74.9%
Fundaments B.V. NL
185.113.84.0/22 1.0K
6.4%
Fundaments B.V. NL
185.122.116.0/22 1.0K
1.8%
Fundaments B.V. NL
193.37.204.0/22 1.0K
9.4%
Fundaments B.V. NL
193.187.188.0/22 1.0K
4.1%
Fundaments B.V. NL
91.224.248.0/23 512
3.9%
Fundaments B.V. NL
194.213.112.0/23 512
0.0%
Fundaments B.V. NL
91.210.127.0/24 256
7.0%
Eurofiber Cloud Infra B.V. NL
91.234.193.0/24 256
0.4%
Fundaments B.V. NL Overijssel Enschede
185.157.145.0/24 256
99.6%
Fundaments B.V. NL
185.202.253.0/24 256
0.4%
Fundaments B.V. NL
185.202.254.0/24 256
0.0%
Fundaments B.V. NL
194.9.85.0/24 256
11.7%
Fundaments B.V. NL
213.249.72.0/24 256
99.6%
Fundaments B.V. NL

BGP 公告前缀

实时 BGP 异常 →

前缀 AS20559 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
91.234.193.0/24 236,257 2026-09-13 11:17:25
185.202.253.0/24 155,267 2026-09-13 11:17:25
185.41.136.0/22 146,518 2026-09-13 11:08:30
185.52.60.0/22 111,532 2026-09-13 11:17:25
91.218.148.0/22 35,285 2026-09-13 11:17:25
91.224.248.0/23 31,420 2026-09-13 11:17:23
91.197.72.0/22 31,152 2026-09-13 11:17:25
45.146.124.0/22 31,141 2026-09-13 11:17:23
185.113.84.0/22 31,026 2026-09-13 11:17:23
31.200.208.0/21 30,722 2026-09-13 11:17:23
88.218.152.0/22 30,604 2026-09-13 11:17:23
85.209.108.0/22 30,588 2026-09-13 11:17:20
193.187.188.0/22 30,375 2026-09-13 11:17:23
185.157.145.0/24 30,248 2026-09-13 11:17:25
45.13.164.0/22 30,209 2026-09-13 11:17:23
185.51.56.0/22 30,202 2026-09-13 11:17:23
185.46.64.0/22 30,166 2026-09-13 11:17:23
45.133.196.0/22 29,753 2026-09-13 11:17:23
78.31.112.0/21 29,228 2026-09-13 11:17:25
193.37.204.0/22 29,099 2026-09-13 11:17:23
194.9.85.0/24 29,032 2026-09-13 11:17:25
93.186.176.0/20 28,796 2026-09-13 11:17:23
37.220.168.0/21 27,441 2026-09-13 11:17:23
213.249.72.0/24 26,712 2026-09-13 11:17:23
185.202.254.0/24 26,245 2026-09-13 11:17:23
5.172.40.0/21 25,645 2026-09-13 11:17:23
46.226.88.0/21 25,598 2026-09-13 11:17:23
46.19.216.0/21 25,406 2026-09-13 11:17:23
185.122.116.0/22 25,351 2026-09-13 11:17:23
91.210.127.0/24 24,764 2026-09-13 11:17:23
194.213.112.0/23 24,638 2026-09-13 11:17:23

Frequently Asked Questions

什么是 AS20559?

AS20559 是分配给 Fundaments B.V. 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。

AS20559 公告了多少个 IP 地址?

AS20559 公告了 33.5K 个 IPv4 地址,分布在 30 个路由 CIDR 前缀中。 该网络在 The Netherlands 注册。

谁运营 AS20559?

AS20559 由 Fundaments B.V. 运营。 该组织总部位于 The Netherlands。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS20559 在哪个国家注册?

AS20559 在 The Netherlands 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:2026-09-13 11:39:07 UTC
Share