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# Example networks for documentation | ||
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## Background | ||
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When writing documents you often need networks or IP addresses for examples. This page lists the networks which are explicitly mentioned in Internet Standards for this purpose. | ||
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### IPv4 Example Networks | ||
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#### Source: RFC5737 | ||
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The following networks are fully routable /24 networks (256 addresses), but set aside for documentation purposes: | ||
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- 192.0.2.0/24 | ||
- 198.51.100.0/24 | ||
- 203.0.113.0/24 | ||
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#### Source: RFC1918 | ||
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The following networks are so-called private networks, they cannot be routed in the global BGP table but can be freely used in private networks: | ||
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- 10.0.0.0/8 (10.0.0.0 - 10.255.255.255) | ||
- 172.16.0.0/12 (172.16.0.0 - 172.31.255.255) | ||
- 192.168.0.0/16 (192.168.0.0. - 192.168.255.255) | ||
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### IPv6 Example Network | ||
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#### Source: RFC3849 | ||
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The following network block is fully routable, but set aside for documentation purposes: | ||
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- 2001:db8::/32 | ||
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### Autonomous System Numbers | ||
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#### Source: RFC5398 | ||
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The following AS numbers are set aside for documentation purposes: | ||
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- 16-Bit numbers: 64496 - 64511 | ||
- 32-Bit numbers: 65536 - 65551 | ||
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#### Source: RFC6996 | ||
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The following AS numbers are reserved for private use: | ||
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- 16-Bit numbers: 64512 - 65534 | ||
- 32-Bit numbers: 4200000000 - 4294967294 | ||
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### Domain Names | ||
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#### Source: RFC2606 | ||
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The following domain names can be used for documentation: | ||
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- ".example" (Top-Level Domain) | ||
- "example.com" | ||
- "example.net" | ||
- "example.org" |