TCP/IP
- https://en.wikipedia.org/wiki/IP_address
- https://en.wikipedia.org/wiki/Reserved_IP_addresses
- http://ip.taobao.com/
# 获取 IP
curl checkip.amazonaws.com
curl ipinfo.io/ip
curl ifconfig.co
curl ipecho.net/plain
curl icanhazip.com
curl ipv4.icanhazip.com
# 使用 DNS 的方式获取
dig +short myip.opendns.com @resolver1.opendns.com
Private
| CIDR | Start | End | Count | Class |
|---|---|---|---|---|
| 0.0.0.0/8 | ||||
| 127.0.0.0/8 | ||||
| 10.0.0.0/8 | 10.0.0.0 | 10.255.255.255 | 16777216 | A |
| 100.64.0.0/10 | 100.64.0.0 | 100.127.255.255 | ||
| 169.254.0.0/16 | ||||
| 172.16.0.0/12 | 172.16.0.0 | 172.31.255.255 | 1048576 | B |
| 192.0.0.0/24 | ||||
| 192.0.2.0/24 | ||||
| 192.168.0.0/16 | 192.168.0.0 | 192.168.255.255 | 65536 | B |
| 192.88.99.0/24 | ||||
| 198.18.0.0/15 | ||||
| 198.51.100.0/24 | ||||
| 203.0.113.0/24 | ||||
| 224.0.0.0/3 | ||||
| 224.0.0.0/4 | ||||
| ::1/128 | ||||
| fc00::/7 | ||||
| fe80::/10 |
Welknown Private
| CIDR | for |
|---|---|
| 10.42.0.0/16 | k3s cluster-cidr |
| 10.43.0.0/16 | k3s service-cidr |
| 10.244.0.0/16 | k0s cluster-cidr |
| 10.96.0.0/12 | k0s service-cidr |
| 10.96.0.10 | k0s dns |
| 100.64.0.0/10 | tailscale |
| 100.100.100.100 | tailscale dns |
FAQ
IP-address ending with zero?
- 现在来说是没问题的, 20 年前有隐性的子网约定, .0 代表网络, .255 代表广播, 许多硬件设备和软件规则有基于这样的假设, 现在都是以 CIDR 为标准, 因此 .0 和 .255 都是有效的地址
- IP-address ending with zero?
Tools
- https://ipjisuanqi.com/
- https://dnsdaquan.com/
- https://ipchaxun.com/
- https://icplishi.com/jiashule.com/
apnic
https://github.com/DanielPLSH/apnic 根据 apnic 发布的最新 IP 地址，分析电信、联通、移动等 IP 地址段
version|registry|serial|records|startdate|enddate|UTCoffset http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest