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自治系统

AS2603

NORDUnet

已宣布的 IP 地址
9,728
CIDR 前缀
13
ASN
AS2603

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
  • 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 NORDUnet

NORDUnet is an international collaboration between the national research and education networks in the Nordic countries.

Founded
1985
Headquarters
Copenhagen

⚠ 1 MOAS 前缀 — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS2603 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)
193.10.255.0/24 AS2603, AS2832 2026-07-28 22:39:29

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 1-5Tbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Selective
IRR record AS-NORDUNET

Present at 31 internet exchanges: RIX, Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500, LINX LON1: Main, NIX1, NYIIX New York, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, Equinix Chicago, Equinix Ashburn, AMS-IX, NL-ix: Main, …

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
109.105.96.0/20 4.1K
34.5%
NORDUnet DK
109.105.112.0/21 2.0K
12.5%
NORDUnet DK Capital Region Kastrup
109.105.116.0/22 1.0K
20.7%
NORDUnet DK
109.105.120.0/22 1.0K
12.9%
NORDUnet DK
185.174.116.0/22 1.0K
62.1%
NORDUnet DK
109.105.106.0/23 512
0.0%
NORDUnet DK
109.105.112.0/23 512
6.3%
NORDUnet DK
109.105.116.0/23 512
0.0%
NORDUnet DK
109.105.122.0/23 512
0.0%
NORDUnet DK
193.10.254.0/23 512
20.3%
NORDUnet SE
109.105.100.0/24 256
0.0%
NORDUnet DK
109.105.103.0/24 256
0.0%
NORDUnet JP
109.105.104.0/24 256
0.0%
NORDUnet SE
109.105.105.0/24 256
0.0%
NORDUnet DK
109.105.108.0/24 256
0.0%
NORDUnet DK
109.105.110.0/24 256
0.0%
NORDUnet DK
109.105.111.0/24 256
0.0%
NORDUnet SE
109.105.112.0/24 256
0.0%
NORDUnet DK
109.105.114.0/24 256
2.7%
NORDUnet DK Capital Region Kastrup
109.105.115.0/24 256
0.0%
NORDUnet DK
109.105.118.0/24 256
0.0%
NORDUnet DK
109.105.120.0/24 256
0.0%
NORDUnet GB
192.36.171.0/24 256
50.8%
NORDUnet SE
193.10.252.0/24 256
27.7%
NORDUnet SE
193.10.254.0/24 256
17.2%
NORDUnet SE
193.10.255.0/24 256
0.0%
NORDUnet SE
193.11.3.0/24 256
19.9%
NORDUnet SE
194.68.13.0/24 256
25.0%
NORDUnet SE
109.105.101.128/25 128
0.0%
NORDUnet DK
109.105.109.128/25 128
0.0%
NORDUnet SE
109.105.113.128/25 128
0.0%
NORDUnet DK
109.105.114.128/25 128
0.0%
NORDUnet DK
109.105.119.0/25 128
0.0%
NORDUnet SE
109.105.121.128/25 128
0.0%
NORDUnet DK
109.105.96.192/26 64
0.0%
NORDUnet DK
109.105.102.192/26 64
0.0%
NORDUnet SE
109.105.109.0/26 64
0.0%
NORDUnet DK
109.105.109.64/26 64
0.0%
NORDUnet DE
109.105.113.0/26 64
0.0%
NORDUnet SE
109.105.113.64/26 64
0.0%
NORDUnet DK
109.105.114.64/26 64
0.0%
NORDUnet DK
109.105.119.128/26 64
0.0%
NORDUnet DK
109.105.121.64/26 64
0.0%
NORDUnet DK
109.105.98.192/27 32
0.0%
NORDUnet DK
109.105.101.96/27 32
0.0%
NORDUnet SE
109.105.114.0/27 32
0.0%
NORDUnet SE
109.105.114.32/27 32
0.0%
NORDUnet DK
109.105.119.192/27 32
0.0%
NORDUnet DK
109.105.121.0/27 32
0.0%
NORDUnet DK
109.105.96.80/28 16
0.0%
NORDUnet DK
109.105.96.144/28 16
0.0%
NORDUnet DK
109.105.96.176/28 16
0.0%
NORDUnet DK
109.105.97.96/28 16
0.0%
NORDUnet DK
109.105.97.176/28 16
0.0%
NORDUnet SE
109.105.97.192/28 16
0.0%
NORDUnet DK
109.105.99.0/28 16
0.0%
NORDUnet DK
109.105.99.32/28 16
0.0%
NORDUnet DK
109.105.99.64/28 16
0.0%
NORDUnet DK
109.105.99.96/28 16
0.0%
NORDUnet SE
109.105.99.112/28 16
0.0%
NORDUnet DK
109.105.99.176/28 16
0.0%
NORDUnet DK
109.105.99.224/28 16
0.0%
NORDUnet DK
109.105.101.80/28 16
0.0%
NORDUnet SE
109.105.102.16/28 16
0.0%
NORDUnet SE
109.105.102.48/28 16
0.0%
NORDUnet SE
109.105.119.240/28 16
0.0%
NORDUnet DK
109.105.121.32/28 16
0.0%
NORDUnet DK
109.105.96.0/29 8
0.0%
NORDUnet SE
109.105.96.56/29 8
0.0%
NORDUnet SE
109.105.96.72/29 8
0.0%
NORDUnet DK
109.105.96.96/29 8
0.0%
NORDUnet DK
109.105.96.136/29 8
0.0%
NORDUnet DK
109.105.96.160/29 8
0.0%
NORDUnet DK
109.105.97.24/29 8
0.0%
NORDUnet SE
109.105.97.112/29 8
0.0%
NORDUnet DK
109.105.97.152/29 8
0.0%
NORDUnet DK
109.105.97.160/29 8
0.0%
NORDUnet DK
109.105.97.216/29 8
0.0%
NORDUnet DK
109.105.97.224/29 8
0.0%
NORDUnet DK
109.105.98.0/29 8
0.0%
NORDUnet SE
109.105.98.8/29 8
0.0%
NORDUnet US
109.105.98.32/29 8
0.0%
NORDUnet NL
109.105.98.40/29 8
0.0%
NORDUnet US
109.105.98.48/29 8
0.0%
NORDUnet SE
109.105.98.64/29 8
0.0%
NORDUnet SE
109.105.98.72/29 8
0.0%
NORDUnet DK
109.105.98.80/29 8
0.0%
NORDUnet NL
109.105.98.88/29 8
0.0%
NORDUnet SE
109.105.98.96/29 8
0.0%
NORDUnet SE
109.105.98.144/29 8
0.0%
NORDUnet SE
109.105.98.248/29 8
0.0%
NORDUnet DK
109.105.99.24/29 8
0.0%
NORDUnet DK
109.105.99.56/29 8
0.0%
NORDUnet DK
109.105.99.80/29 8
0.0%
NORDUnet DK
109.105.99.152/29 8
0.0%
NORDUnet NL
109.105.99.200/29 8
0.0%
NORDUnet DK
109.105.99.208/29 8
0.0%
NORDUnet DK
109.105.99.240/29 8
0.0%
NORDUnet DK
109.105.101.8/29 8
0.0%
NORDUnet SE
109.105.101.32/29 8
0.0%
NORDUnet DK

BGP 公告前缀

实时 BGP 异常 →

前缀 AS2603 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
193.10.255.0/24 5,796,500 2026-07-28 22:43:59
193.11.3.0/24 10,903 2026-07-28 22:43:59
194.68.13.0/24 10,728 2026-07-28 22:44:08
193.10.254.0/24 6,450 2026-07-28 22:43:59
185.174.116.0/22 5,919 2026-07-28 22:43:34
109.105.120.0/22 5,872 2026-07-28 22:43:34
193.10.252.0/24 5,857 2026-07-28 22:43:59
109.105.112.0/21 5,771 2026-07-28 22:43:34
192.36.171.0/24 5,669 2026-07-28 22:43:48
109.105.96.0/20 5,623 2026-07-28 22:43:34
109.105.114.34/32 145 2026-07-28 12:37:37
109.105.114.33/32 145 2026-07-28 12:37:37
109.105.114.32/32 145 2026-07-28 12:37:37
109.105.114.35/32 145 2026-07-28 12:37:37
109.105.121.192/27 63 2026-07-28 06:06:05
109.105.121.168/31 2 2026-06-01 18:15:17
109.105.106.0/24 1 2026-05-29 21:15:22

Frequently Asked Questions

什么是 AS2603?

AS2603 是分配给 NORDUnet 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。

AS2603 公告了多少个 IP 地址?

AS2603 公告了 9.7K 个 IPv4 地址,分布在 13 个路由 CIDR 前缀中。 该网络在 Denmark 注册。

谁运营 AS2603?

AS2603 由 NORDUnet 运营。 该组织总部位于 Denmark。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS2603 在哪个国家注册?

AS2603 在 Denmark 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:2026-07-29 02:25:31 UTC
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