TCP/IP

• https://en.wikipedia.org/wiki/IP_address
• https://en.wikipedia.org/wiki/Reserved_IP_addresses
• http://ip.taobao.com/
• AS13335
  • CF WARP
  • https://bgpview.io/asn/13335
  • https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/deployment/firewall/
• https://datatracker.ietf.org/doc/html/rfc3330

# 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

curl 'https://vv.video.qq.com/checktime?otype=json&callback=onCheckTime'

# 使用 DNS 的方式获取
dig +short myip.opendns.com @resolver1.opendns.com


# Service
curl https://www.cloudflare.com/ips-v4
curl https://www.cloudflare.com/ips-v6
curl https://ip-ranges.amazonaws.com/ip-ranges.json

• 240.0.0.0/4
  • class E
  • 没有被使用
  • 特殊 IP 段
  • https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
  • https://tools.ietf.org/html/draft-chen-ati-adaptive-ipv4-address-space-03
  • Reclaiming IPv4 Class E's 240.0.0.0/4 https://news.ycombinator.com/item?id=40491038
• 169.254.169.254
  • 通常作为 metadata
  • AWS, GCP, Azure
  • 系统会通过这个 IP 地址向云服务查询当前实例的信息（例如实例ID、区域、配置信息等）。
  • AWS http://169.254.169.254/latest/meta-data/
    • aws/amazon-ec2-metadata-mock
    • https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html
  • Azure http://169.254.169.254/metadata/instance?api-version=2021-02-01
    • Header Metadata: true
  • GCP http://metadata.google.internal/
    • Header Metadata-Flavor: Google
  • OpenStack http://169.254.169.254/openstack/

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 | | | | | TEST-NET-1 | | 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 | | | | | TEST-NET-2 | | 203.0.113.0/24 | | | | | TEST-NET-3 | | 224.0.0.0/3 | | 224.0.0.0/4 | | ::1/128 | | fc00::/7 | | fe80::/10 |

127.0.0.0/8,10.0.0.0/8,100.64.0.0/10,172.16.0.0/12,192.168.0.0/16

• rfc5737 IPv4 Address Blocks Reserved for Documentation
  • TEST-NET
  • 文档建议 Block

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
10.10.0.0	openvpn
100.64.0.0/10	tailscale
100.100.100.100	tailscale dns

Tags

• https://github.com/MetaCubeX/meta-rules-dat
  • https://github.com/MetaCubeX/meta-rules-dat/blob/master/.github/workflows/run.yml
  • https://github.com/metacubex/geo
    • 工具
• Loyalsoldier/v2ray-rules-dat
• Loyalsoldier/domain-list-custom
• v2fly/domain-list-community
  • https://github.com/v2fly/v2ray-core/blob/master/app/router/config.proto
  • 生成 PB 格式
• mmdb - MaxMind DB
  • https://maxmind.github.io/MaxMind-DB/
  • runk/node-maxmind
    • NodeJS
  • runk/mmdb-lib
    • MIT, Browser
• geoip2
  • http://dev.maxmind.com/geoip/geoip2/geolite2/

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://www.apnic.net/about-apnic/corporate-documents/documents/resource-guidelines/rir-statistics-exchange-format/

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