BGP 前缀查询
输入一个前缀（或单个地址）。由我们每日复制的全球路由表回答。
示例:
240e:bf:b800::/37
单个采集器（APNIC）的视角。在到达该采集器之前被过滤的路由不会列出。
精确宣告
- 240e:bf:b800::/37AS134768CHINANET SHAANXI province Cloud Base networkRPKI 有效240e:bf:b800::
- 注册机构
- APNIC · 中国 · 2010年5月20日
- 分配的地址块
- 240e:: – 240e:ff:ffff:ffff:ffff:ffff:ffff:ffff
覆盖路由
3
更具体的路由
来自 10 个来源 AS 的 40 条更具体路由
- 240e:bf:b8d8::/48AS138387CHINATELECOM Shaanxi province Xi'an 5G networkRPKI 有效240e:bf:b8d8::
- 240e:bf:b8d9::/48AS138387CHINATELECOM Shaanxi province Xi'an 5G networkRPKI 有效240e:bf:b8d9::
- 240e:bf:b8da::/48AS138387CHINATELECOM Shaanxi province Xi'an 5G networkRPKI 有效240e:bf:b8da::
- 240e:bf:b8db::/48AS138387CHINATELECOM Shaanxi province Xi'an 5G networkRPKI 有效240e:bf:b8db::
- 240e:bf:b8dc::/48AS140238CHINATELECOM Shaanxi province Shangluo 5G networkRPKI 有效240e:bf:b8dc::
- 240e:bf:b8dd::/48AS140238CHINATELECOM Shaanxi province Shangluo 5G networkRPKI 有效240e:bf:b8dd::
- 240e:bf:b8de::/48AS140238CHINATELECOM Shaanxi province Shangluo 5G networkRPKI 有效240e:bf:b8de::
- 240e:bf:b8df::/48AS140238CHINATELECOM Shaanxi province Shangluo 5G networkRPKI 有效240e:bf:b8df::
- 240e:bf:b8e0::/48AS138679CHINATELECOM Shaanxi province Yanan 5G networkRPKI 有效240e:bf:b8e0::
- 240e:bf:b8e1::/48AS138679CHINATELECOM Shaanxi province Yanan 5G networkRPKI 有效240e:bf:b8e1::
- 240e:bf:b8e2::/48AS138679CHINATELECOM Shaanxi province Yanan 5G networkRPKI 有效240e:bf:b8e2::
- 240e:bf:b8e3::/48AS138679CHINATELECOM Shaanxi province Yanan 5G networkRPKI 有效240e:bf:b8e3::
- 240e:bf:b8e4::/48AS138641CHINATELECOM Shaanxi province Yulin 5G networkRPKI 有效240e:bf:b8e4::
- 240e:bf:b8e5::/48AS138641CHINATELECOM Shaanxi province Yulin 5G networkRPKI 有效240e:bf:b8e5::
- 240e:bf:b8e6::/48AS138641CHINATELECOM Shaanxi province Yulin 5G networkRPKI 有效240e:bf:b8e6::
- 240e:bf:b8e7::/48AS138641CHINATELECOM Shaanxi province Yulin 5G networkRPKI 有效240e:bf:b8e7::
- 240e:bf:b8e8::/48AS138635CHINATELECOM Shaanxi province Ankang 5G networkRPKI 有效240e:bf:b8e8::
- 240e:bf:b8e9::/48AS138635CHINATELECOM Shaanxi province Ankang 5G networkRPKI 有效240e:bf:b8e9::
- 240e:bf:b8ea::/48AS138635CHINATELECOM Shaanxi province Ankang 5G networkRPKI 有效240e:bf:b8ea::
- 240e:bf:b8eb::/48AS138635CHINATELECOM Shaanxi province Ankang 5G networkRPKI 有效240e:bf:b8eb::
- 240e:bf:b8ec::/48AS138597CHINATELECOM Shaanxi province Hanzhong 5G networkRPKI 有效240e:bf:b8ec::
- 240e:bf:b8ed::/48AS138597CHINATELECOM Shaanxi province Hanzhong 5G networkRPKI 有效240e:bf:b8ed::
- 240e:bf:b8ee::/48AS138597CHINATELECOM Shaanxi province Hanzhong 5G networkRPKI 有效240e:bf:b8ee::
- 240e:bf:b8ef::/48AS138597CHINATELECOM Shaanxi province Hanzhong 5G networkRPKI 有效240e:bf:b8ef::
- 240e:bf:b8f0::/48AS138514CHINATELECOM Shaanxi province Xianyang 5G networkRPKI 有效240e:bf:b8f0::
- 240e:bf:b8f1::/48AS138514CHINATELECOM Shaanxi province Xianyang 5G networkRPKI 有效240e:bf:b8f1::
- 240e:bf:b8f2::/48AS138514CHINATELECOM Shaanxi province Xianyang 5G networkRPKI 有效240e:bf:b8f2::
- 240e:bf:b8f3::/48AS138514CHINATELECOM Shaanxi province Xianyang 5G networkRPKI 有效240e:bf:b8f3::
- 240e:bf:b8f4::/48AS138513CHINATELECOM Shaanxi province Weinan 5G networkRPKI 有效240e:bf:b8f4::
- 240e:bf:b8f5::/48AS138513CHINATELECOM Shaanxi province Weinan 5G networkRPKI 有效240e:bf:b8f5::
- 240e:bf:b8f6::/48AS138513CHINATELECOM Shaanxi province Weinan 5G networkRPKI 有效240e:bf:b8f6::
- 240e:bf:b8f7::/48AS138513CHINATELECOM Shaanxi province Weinan 5G networkRPKI 有效240e:bf:b8f7::
- 240e:bf:b8f8::/48AS138409CHINATELECOM Shaanxi province Tongchuan 5G networkRPKI 有效240e:bf:b8f8::
- 240e:bf:b8f9::/48AS138409CHINATELECOM Shaanxi province Tongchuan 5G networkRPKI 有效240e:bf:b8f9::
- 240e:bf:b8fa::/48AS138409CHINATELECOM Shaanxi province Tongchuan 5G networkRPKI 有效240e:bf:b8fa::
- 240e:bf:b8fb::/48AS138409CHINATELECOM Shaanxi province Tongchuan 5G networkRPKI 有效240e:bf:b8fb::
- 240e:bf:b8fc::/48AS138436CHINATELECOM Shaanxi province Baoji 5G networkRPKI 有效240e:bf:b8fc::
- 240e:bf:b8fd::/48AS138436CHINATELECOM Shaanxi province Baoji 5G networkRPKI 有效240e:bf:b8fd::
- 240e:bf:b8fe::/48AS138436CHINATELECOM Shaanxi province Baoji 5G networkRPKI 有效240e:bf:b8fe::
- 240e:bf:b8ff::/48AS138436CHINATELECOM Shaanxi province Baoji 5G networkRPKI 有效240e:bf:b8ff::
在互联网上,路由以前缀的形式宣告:一个自治系统通过 BGP 告诉邻居,它可以投递发往例如 49.224.0.0/14 的流量。本工具在我们每日更新的全球路由表副本中查找前缀,并显示三项内容:
- 精确宣告:哪个 AS 正好起源这个前缀。存在多个起源(MOAS)对任播服务和某些多归属网络来说是正常的,其他情况下则值得怀疑。
- 覆盖路由:包含该前缀、但不那么具体的宣告。流量遵循最具体的路由;当更具体的路由消失时,覆盖路由才起作用。
- 更具体的路由:前缀内部的宣告,可能属于其他网络(客户,或者劫持)。
对每条宣告的路由,还会检查 RPKI:是否有 ROA 授权其起源 AS。
该路由表来自 APNIC 路由收集器的视角。全球路由表的大部分从任何地方看都一样,但在到达收集器之前被过滤掉的路由不会出现。
常见问题
为什么我的 /24 不显示,而 /16 却显示?
您的地址是作为更大地址块的一部分宣告的,没有人单独宣告这个 /24。这是大多数运营商客户的正常情况。
什么是更具体前缀劫持?
有人在您的地址空间内宣告一个更长的前缀。由于路由器优先选择最具体的路由,流量就会流向对方。设置严格最大长度的 RPKI 会使这类宣告无效。
可以输入单个地址吗?
可以。工具会显示包含该地址的最具体宣告路由。