Number Resources
Autonomous System Number Resources
| ASN | Description | More Info? |
|---|---|---|
| 20144 | IMRS (L.ROOT-SERVERS.NET.) | PeeringDB |
| 26710 | ICANN DNS Engineering Anycast Services (non-IMRS) | RIPEStat Overview |
IPv4 Address Resources
| Address Prefix | Source ASN | Publicly Routed? | Multi-homed? | Anycasted? | Route Object | Description |
|---|---|---|---|---|---|---|
| 199.7.83.0/24 | AS20144 | Yes | Yes | Yes | IMRS | IMRS |
| 199.7.82.0/23 | AS20144 | Yes | Yes | Yes | IMRS | IMRS |
| 199.43.135.0/24 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers | a.iana-servers.net |
| 199.43.133.0/24 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers | b.iana-servers.net |
| 199.43.134.0/24 | AS12041 | Yes | Yes | Yes | ICANN DNS Servers | c.iana-servers.net |
| 199.4.138.0/24 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers | ns.icann.org |
| 199.253.182.0/24 | AS26710 | Yes | Yes | Yes | BIP6ARPA | b.ip6-servers.arpa |
| 199.253.183.0/24 | AS26710 | Yes | Yes | Yes | BINADDRARPA | b.in-addr-servers.arpa |
IPv6 Address Resources
| Address Prefix | Source ASN | Publicly Routed? | Multi-homed? | Anycasted? | Route Object | Description |
|---|---|---|---|---|---|---|
| 2001:500:3::/48 | AS20144 | Yes | Yes | Yes | IMRS v6 | IMRS |
| 2001:500:9E::/47 | AS20144 | Yes | Yes | Yes | IMRS v6 | IMRS |
| 2001:500:9F::/48 | AS20144 | Yes | Yes | Yes | IMRS v6 | IMRS |
| 2001:500:8D::/48 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers v6 | b.iana-servers.net |
| 2001:500:8E::/48 | AS12041 | Yes | Yes | Yes | ICANN DNS Servers v6 | c.iana-servers.net |
| 2001:500:8F::/48 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers v6 | a.iana-servers.net |
| 2001:500:89::/48 | AS26710 | Yes | Yes | Yes | ICANN DNS Servers v6 | ns.icann.org |
| 2001:500:86::/48 | AS26710 | Yes | Yes | Yes | BIP6ARPA | b.ip6-servers.arpa |
| 2001:500:87::/48 | AS26710 | Yes | Yes | Yes | BINADDRARPA6 | b.in-addr-servers.arpa |
