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自治系统

AS8517

National Academic Network and Information Center

已宣布的 IP 地址
230,400
CIDR 前缀
121
ASN
AS8517

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

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 AS8517 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)
193.255.58.0/24 AS8517, AS42626 2026-09-10 21:25:50

Network profile

Source: PeeringDB →
Network type Educational/Research
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open

AS8517 — 全球 IP 足迹

AS 所在城市8517 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
79.123.192.0/18 16.4K
3.8%
National Academic Network and Information Center TR Batman Batman
161.9.192.0/18 16.4K
2.1%
National Academic Network and Information Center TR Balıkesir Panderma
79.123.128.0/19 8.2K
1.8%
National Academic Network and Information Center TR Erzincan Erzincan
95.183.160.0/19 8.2K
0.6%
National Academic Network and Information Center TR Bayburt Province Bayburt
193.255.128.0/19 8.2K
1.4%
National Academic Network and Information Center TR Edirne Edirne
79.123.160.0/20 4.1K
2.7%
National Academic Network and Information Center TR Karaman Merkez
95.183.144.0/20 4.1K
0.0%
National Academic Network and Information Center TR Istanbul Maltepe
95.183.240.0/20 4.1K
3.5%
National Academic Network and Information Center TR Ankara Ankara
161.9.128.0/20 4.1K
0.0%
National Academic Network and Information Center TR İzmir Province Izmir
161.9.160.0/20 4.1K
2.1%
National Academic Network and Information Center TR
193.140.48.0/20 4.1K
35.0%
National Academic Network and Information Center TR Adana Adana
193.140.144.0/20 4.1K
48.4%
National Academic Network and Information Center TR Sivas Sivas
193.255.0.0/20 4.1K
0.0%
National Academic Network and Information Center TR Istanbul Istanbul
193.255.96.0/20 4.1K
3.4%
National Academic Network and Information Center TR Canakkale Merkez
193.255.176.0/20 4.1K
0.6%
National Academic Network and Information Center TR Balıkesir Balıkesir
193.255.192.0/20 4.1K
2.2%
National Academic Network and Information Center TR Adana Adana
194.27.0.0/20 4.1K
80.1%
National Academic Network and Information Center TR Ankara Ankara
194.27.32.0/20 4.1K
17.6%
National Academic Network and Information Center TR Aydın Efeler
194.27.112.0/20 4.1K
0.5%
National Academic Network and Information Center TR Bursa Province Bursa
194.27.128.0/20 4.1K
1.0%
National Academic Network and Information Center TR Istanbul Istanbul
79.123.184.0/21 2.0K
4.2%
National Academic Network and Information Center TR Nevşehir Province Nevşehir
95.183.128.0/21 2.0K
1.5%
National Academic Network and Information Center TR Malatya Malatya
95.183.200.0/21 2.0K
1.6%
National Academic Network and Information Center TR Istanbul Istanbul
95.183.208.0/21 2.0K
14.3%
National Academic Network and Information Center TR Ankara Çankaya
95.183.232.0/21 2.0K
0.0%
National Academic Network and Information Center TR Konya Konya
161.9.184.0/21 2.0K
0.0%
National Academic Network and Information Center TR
193.140.8.0/21 2.0K
15.5%
National Academic Network and Information Center TR
193.140.24.0/21 2.0K
56.5%
National Academic Network and Information Center TR Samsun Samsun
193.140.32.0/21 2.0K
0.1%
National Academic Network and Information Center TR
193.140.88.0/21 2.0K
3.3%
National Academic Network and Information Center TR
193.140.96.0/21 2.0K
32.2%
National Academic Network and Information Center TR
193.140.112.0/21 2.0K
0.0%
National Academic Network and Information Center TR
193.140.128.0/21 2.0K
6.6%
National Academic Network and Information Center TR Eskişehir Eskişehir
193.140.160.0/21 2.0K
1.8%
National Academic Network and Information Center TR
193.140.176.0/21 2.0K
5.7%
National Academic Network and Information Center TR Tokat Province Tokat Province
193.140.240.0/21 2.0K
8.9%
National Academic Network and Information Center TR Diyarbakır Province Sur
193.255.16.0/21 2.0K
0.0%
National Academic Network and Information Center TR
193.255.32.0/21 2.0K
0.0%
National Academic Network and Information Center TR
193.255.80.0/21 2.0K
1.0%
National Academic Network and Information Center TR Eskişehir Odunpazari
193.255.160.0/21 2.0K
0.0%
National Academic Network and Information Center TR
193.255.208.0/21 2.0K
2.4%
National Academic Network and Information Center TR Mersin Merkez
193.255.240.0/21 2.0K
62.0%
National Academic Network and Information Center TR Konya Selçuklu
194.27.16.0/21 2.0K
48.7%
National Academic Network and Information Center TR
194.27.56.0/21 2.0K
97.8%
National Academic Network and Information Center TR
194.27.64.0/21 2.0K
74.4%
National Academic Network and Information Center TR İzmir Province Izmir
194.27.80.0/21 2.0K
1.6%
National Academic Network and Information Center TR Trabzon Trabzon
194.27.104.0/21 2.0K
96.8%
National Academic Network and Information Center TR
194.27.152.0/21 2.0K
6.2%
National Academic Network and Information Center TR Muğla Muğla
194.27.168.0/21 2.0K
37.8%
National Academic Network and Information Center TR
194.27.176.0/21 2.0K
14.0%
National Academic Network and Information Center TR
194.27.200.0/21 2.0K
1.0%
National Academic Network and Information Center TR Zonguldak Province Zonguldak
194.27.208.0/21 2.0K
6.2%
National Academic Network and Information Center TR
194.27.224.0/21 2.0K
2.7%
National Academic Network and Information Center TR Bolu Bolu
95.183.140.0/22 1.0K
0.1%
National Academic Network and Information Center TR
95.183.196.0/22 1.0K
2.7%
National Academic Network and Information Center TR Konya Konya
95.183.224.0/22 1.0K
2.9%
National Academic Network and Information Center TR
161.9.176.0/22 1.0K
0.0%
National Academic Network and Information Center TR
185.7.0.0/22 1.0K
0.6%
National Academic Network and Information Center TR
193.140.64.0/22 1.0K
0.0%
National Academic Network and Information Center TR
193.140.80.0/22 1.0K
10.6%
National Academic Network and Information Center TR
193.140.104.0/22 1.0K
81.9%
National Academic Network and Information Center TR Gaziantep Gaziantep
193.140.120.0/22 1.0K
0.0%
National Academic Network and Information Center TR
193.140.128.0/22 1.0K
0.0%
National Academic Network and Information Center TR Eskişehir Eskişehir
193.140.136.0/22 1.0K
58.1%
National Academic Network and Information Center TR
193.140.168.0/22 1.0K
1.2%
National Academic Network and Information Center TR Trabzon Trabzon
193.140.248.0/22 1.0K
19.3%
National Academic Network and Information Center TR
193.255.24.0/22 1.0K
0.0%
National Academic Network and Information Center TR
193.255.40.0/22 1.0K
0.0%
National Academic Network and Information Center TR
193.255.48.0/22 1.0K
4.3%
National Academic Network and Information Center TR
193.255.60.0/22 1.0K
5.1%
National Academic Network and Information Center TR Ankara Ankara
193.255.64.0/22 1.0K
0.0%
National Academic Network and Information Center TR
193.255.76.0/22 1.0K
0.4%
National Academic Network and Information Center TR Istanbul Istanbul
193.255.88.0/22 1.0K
10.7%
National Academic Network and Information Center TR Kayseri Talas
193.255.124.0/22 1.0K
7.1%
National Academic Network and Information Center TR Elazığ Elâzığ
193.255.168.0/22 1.0K
0.0%
National Academic Network and Information Center TR Istanbul Istanbul
193.255.216.0/22 1.0K
1.0%
National Academic Network and Information Center TR
193.255.248.0/22 1.0K
99.2%
National Academic Network and Information Center TR
194.27.52.0/22 1.0K
24.2%
National Academic Network and Information Center TR
194.27.88.0/22 1.0K
0.0%
National Academic Network and Information Center TR
194.27.144.0/22 1.0K
0.0%
National Academic Network and Information Center TR
194.27.184.0/22 1.0K
1.1%
National Academic Network and Information Center TR Antalya Antalya
194.27.216.0/22 1.0K
4.5%
National Academic Network and Information Center TR
194.27.232.0/22 1.0K
0.0%
National Academic Network and Information Center TR
95.183.136.0/23 512
7.6%
National Academic Network and Information Center TR
95.183.230.0/23 512
0.0%
National Academic Network and Information Center TR
193.140.68.0/23 512
0.0%
National Academic Network and Information Center TR
193.140.84.0/23 512
0.0%
National Academic Network and Information Center TR
193.140.124.0/23 512
0.0%
National Academic Network and Information Center TR
193.140.132.0/23 512
0.0%
National Academic Network and Information Center TR
193.140.140.0/23 512
53.9%
National Academic Network and Information Center TR
193.140.254.0/23 512
19.1%
National Academic Network and Information Center TR
193.255.28.0/23 512
0.0%
National Academic Network and Information Center TR
193.255.46.0/23 512
0.0%
National Academic Network and Information Center TR
193.255.68.0/23 512
3.9%
National Academic Network and Information Center TR
193.255.74.0/23 512
0.0%
National Academic Network and Information Center TR Tekirdağ Tekirdağ
193.255.94.0/23 512
1.8%
National Academic Network and Information Center TR Kahramanmaraş Kahramanmaraş
193.255.172.0/23 512
0.0%
National Academic Network and Information Center TR
193.255.238.0/23 512
0.0%
National Academic Network and Information Center TR
194.27.30.0/23 512
0.0%
National Academic Network and Information Center TR
194.27.50.0/23 512
1.4%
National Academic Network and Information Center TR Kırıkkale Ahili

BGP 公告前缀

实时 BGP 异常 →

前缀 AS8517 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
194.27.43.0/24 103,235 2026-09-10 21:16:21
194.27.232.0/22 99,239 2026-09-10 21:16:21
194.27.236.0/23 98,079 2026-09-10 21:16:21
79.123.128.0/17 95,455 2026-09-10 21:16:21
194.27.228.0/22 81,399 2026-09-10 21:14:03
161.9.128.0/17 68,319 2026-09-10 21:14:03
193.255.0.0/16 63,285 2026-09-10 21:14:03
95.183.128.0/17 63,031 2026-09-10 21:14:03
193.140.0.0/16 62,549 2026-09-10 21:14:03
194.27.0.0/16 61,810 2026-09-10 21:14:03
193.140.140.0/24 47,988 2026-09-10 21:14:03
193.255.27.0/24 40,163 2026-09-10 21:13:57
193.255.28.0/24 38,867 2026-09-10 21:13:57
193.255.35.0/24 38,387 2026-09-10 21:13:57
193.255.32.0/24 38,278 2026-09-10 21:13:57
194.27.141.0/24 38,236 2026-09-10 21:13:57
194.27.142.0/24 38,155 2026-09-10 21:13:57
194.27.140.0/24 38,142 2026-09-10 21:13:57
193.255.36.0/24 38,119 2026-09-10 21:13:57
193.255.33.0/24 37,783 2026-09-10 21:13:57
193.255.24.0/24 37,471 2026-09-10 21:13:57
193.255.25.0/24 37,270 2026-09-10 21:13:57
193.255.26.0/24 37,064 2026-09-10 21:13:57
193.255.19.0/24 37,008 2026-09-10 21:13:57
193.255.22.0/24 36,625 2026-09-10 21:13:57
161.9.142.0/24 36,448 2026-09-10 21:13:57
95.183.179.0/24 36,194 2026-09-10 21:13:57
193.255.16.0/24 35,913 2026-09-10 21:13:57
193.255.21.0/24 35,725 2026-09-10 21:13:57
193.255.17.0/24 35,559 2026-09-10 21:13:57
193.255.20.0/24 35,446 2026-09-10 21:13:57
95.183.178.0/24 35,219 2026-09-10 21:13:57
193.255.18.0/24 35,125 2026-09-10 21:13:57
185.7.0.0/22 29,758 2026-09-10 21:14:03
161.9.255.0/24 8,618 2026-09-10 13:10:47
193.140.83.0/24 8,501 2026-09-10 13:10:47
185.7.1.0/24 4,561 2026-09-10 13:10:47
193.255.58.0/24 1,302 2026-09-10 13:16:25
193.140.99.74/32 8 2026-09-09 20:05:44
79.123.186.150/32 7 2026-07-22 20:45:22
193.255.217.42/32 3 2026-08-24 14:15:00

Frequently Asked Questions

什么是 AS8517?

AS8517 是分配给 National Academic Network and Information Center 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。

AS8517 公告了多少个 IP 地址?

AS8517 公告了 230.4K 个 IPv4 地址,分布在 121 个路由 CIDR 前缀中。 该网络在 Türkiye 注册。

谁运营 AS8517?

AS8517 由 National Academic Network and Information Center 运营。 该组织总部位于 Türkiye。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS8517 在哪个国家注册?

AS8517 在 Türkiye 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:2026-09-10 21:26:37 UTC
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