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