ASN 是什麼？
ASN（自治系統號碼）是網際網路上一個獨立運作路由的網路的編號，例如一家電信業者、一家雲端業者、一所大學或一家大公司。每個 AS 透過 BGP 向鄰居宣告自己負責的 IP 網段，其他網路因此知道該把流量送到哪裡。
AS 號碼由五大區域網際網路註冊機構（APNIC、RIPE NCC、ARIN、LACNIC、AFRINIC）分配。例如 AS3462 是中華電信 HiNet，AS13335 是 Cloudflare。
AS24400 CMNET-V4shanghai-AS-AP
AS24400 是 Shanghai Mobile Communications Co.,Ltd.（CMNET-V4shanghai-AS-AP）的自治系統號碼，由 APNIC 分配。 目前宣告 541 個 IPv4 前綴（76.2萬 個位址）與 602 個 IPv6 前綴。
- 名稱CMNET-V4shanghai-AS-AP
- 持有者Shanghai Mobile Communications Co.,Ltd.
- 國家/地區
中國 - 註冊機構APNIC
- 分配日期2005-04-19
- IPv4541 個前綴 · 76.2萬 個位址
- IPv6602 個前綴 · 236萬 個 /48
- 註冊組織
- 濫用檢舉
- 最近更新
鄰居
上游
下游
對等及其他
來自 RIPE 路由收集器看到的路徑，依經過的路徑數排序。
IPv4 前綴541
- 36.133.72.0/22
- 36.133.76.0/22
- 36.133.80.0/23
- 36.133.82.0/23
- 36.134.32.0/22
- 36.134.36.0/22
- 36.137.16.0/23
- 36.137.18.0/23
- 36.137.176.0/22
- 36.137.180.0/22
- 36.138.92.0/23
- 36.138.94.0/23
- 36.138.172.0/23
- 36.138.174.0/23
- 36.138.176.0/23
- 36.138.178.0/23
- 39.134.88.0/22
- 39.135.118.0/23
- 39.135.120.0/22
- 39.135.124.0/23
- 39.135.218.0/23
- 39.135.220.0/23
- 39.137.35.0/24
- 39.143.12.0/24
- 39.143.23.0/24
- 39.144.39.0/24
- 39.144.40.0/24
- 39.144.43.0/24
- 39.144.44.0/24
- 39.144.45.0/24
- 39.144.46.0/24
- 39.144.47.0/24
- 39.144.103.0/24
- 39.144.104.0/24
- 39.144.105.0/24
- 39.144.106.0/24
- 39.144.107.0/24
- 39.144.244.0/24
- 39.144.245.0/24
- 111.55.176.0/24
- 111.55.177.0/24
- 112.54.160.0/21
- 112.54.161.0/24
- 112.54.162.0/24
- 112.54.232.0/22
- 112.54.232.0/24
- 112.54.233.0/24
- 112.54.235.0/24
IPv6 前綴602
- 2409:801e::/31
- 2409:801e:802::/48
- 2409:801e:80e::/48
- 2409:801e:2000::/48
- 2409:801e:2800::/40
- 2409:801e:2900::/40
- 2409:801e:2a00::/40
- 2409:801e:2b00::/40
- 2409:801e:3000::/48
- 2409:801e:3001::/48
- 2409:801e:3002::/48
- 2409:801e:3003::/48
- 2409:801e:3007::/48
- 2409:801e:3008::/48
- 2409:801e:300a::/48
- 2409:801f:2800::/40
- 2409:801f:2900::/40
- 2409:801f:2a00::/40
- 2409:801f:2b00::/40
- 2409:801f:3000::/48
- 2409:801f:3001::/48
- 2409:801f:3002::/48
- 2409:801f:3003::/48
- 2409:801f:3007::/48
- 2409:801f:3008::/48
- 2409:801f:300a::/48
- 2409:8087:1e00::/40
- 2409:8087:1f00::/40
- 2409:811e::/31
- 2409:821e::/31
- 2409:831e::/31
- 2409:841e::/31
- 2409:851e::/31
- 2409:861e::/31
- 2409:871e::/31
- 2409:871e::/48
- 2409:871e:d40::/44
- 2409:871e:1a40::/44
- 2409:871e:2700::/48
- 2409:871e:2740::/44
- 2409:871e:3400::/48
- 2409:871e:5b00::/48
- 2409:871e:6800::/48
- 2409:871e:680c::/48
- 2409:871e:6840::/44
- 2409:871e:7540::/44
- 2409:871e:8f00::/48
- 2409:871e:8f01::/48
同一機構的其他 ASN共 28 個
- AS9808 中國移動
- AS24444 CMNET-V4shandong-AS-AP
- AS24445 CMNET-V4henan-AS-AP
- AS24547 CMNET-V4HEBEI-AS-AP
- AS38019 CMNET-V4TIANJIN-AS-AP
- AS56040 CMNET-GuangDong-AP
- AS56041 CMNET-Zhejiang-AP
- AS56042 CMNET-Shanxi-AP
- AS56044 CMNET-AS-Liaoning
- AS56045 CMNET-Jiangxi-AP
- AS56046 CMNET-Jiangsu-AP
- AS56047 CMNET-Hunan-AP
- AS56048 CMNET-BEIJING-AP
- AS132510 ShanXiMCC-IDC
- AS132525 CMNET-HEILONGJIANG-CN
- AS134810 CMNET-JILIN-AS-AP
- AS135054 CMNET-HAINAN-IDC
- AS138407 CMNET-GZIDC-CN
- AS139080 CMNET-SCIDC-CN
- AS140105 CMNET-SNIDC-CN-AP
- AS141425 CMNET-GUANGDONG-CN
- AS24059 CMNET2-AS-AP
- AS24311 CNGI-CMNETV6-AS-AP
- AS45120 CMNET3-AS-AP