This is the Peering information for the IX.br (PTT.br) Route Servers. There are two route servers per IXP for redundancy purposes in Londrina For IX.br (PTT.br) Londrina we recommend a maximum-prefixes setting 20K for IPv4 and 4K for IPv6 The following communities are implemented: Do not advertise the prefix for ASNxx: * 16-bit ASN: 65000:ASNxx * 32-bit ASN: RT: 65000: ASNxx or RO:65000:ASNxx Announce the prefix for ASNxx only: * 16-bit ASN: 65001:ASNxx * 32-bit ASN: RT:65001:ASNxx or RO:65001:ASNxx Add one prepend in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN use the communitie 64601: ASNxx * 32-bit ASN use the communitie RT:64601:ASNxx or RO:64601:ASNxx Add two prepends in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN: 64602:ASNxx * 32-bit ASN: RT:64602:ASNxx or RO:64602:ASNxx Add three prepends in the AS-Path of the prefixes sent to the ASNxx * 16-bit ASN: 64603:ASNxx * 32-bit ASN: RT:64603:ASNxx or RO:64603:ASNxx Communitie to identify the ASN that sent the prefix to the route server: * 16-bit ASN: 26162:SOURCE_ASN * 32-bit ASN: RT:26162:SOURCE_ASN or * 32-bit ASN: RO:26162:SOURCE_ASN Communities added by the route server to identify the location where the prefix was received: * 16-bit ASN: 26162:65043 * 32-bit ASN: RT:26162:65043 or RO:26162:65043