Twin directories of tcpip:

[DIR]  ftp://ftp.uni-leipzig.de/pub/kommunikation/hamradio/packet/tcpip/
[DIR]  ftp://ftp.csus.edu/pub/banyan/tcpip/
[DIR]  ftp://ftp.uni-freiburg.de/pub/pc/msdos/comm/tcpip/
[DIR]  ftp://ftp.uni-freiburg.de/pub/pc/winnt40/tcpip/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/source/n/tcpip/
[DIR]  ftp://ftp.armedslack.org/armedslack/armedslack-11.0/source/n/tcpip/
[DIR]  ftp://ftp.armedslack.org/armedslack/loft/oldsource/tcpip/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-11.0/source/n/tcpip/
[DIR]  ftp://ftp.gno.org/pub/apple2/gs.specific/comm/tcpip/
[DIR]  ftp://ftp.kreonet.re.kr/Linux2/slackware/slackware-10.0/patches/source/tcpip/
[DIR]  ftp://ftp.kreonet.re.kr/Linux2/slackware/slackware-10.0/source/n/tcpip/
[DIR]  ftp://ftp.3logic.net/pub/dos/network/tcpip/
[DIR]  ftp://ftp.denet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/tcpip/
[DIR]  ftp://ftp.sektornet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/tcpip/
[DIR]  ftp://ftp.darenet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/tcpip/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/os2/util/network/tcpip/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/msdos/tcpip/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/tcpip/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/sather/Sather/System/pSather/config/tcpip/
[DIR]  ftp://ftp.uni-koeln.de/pc/msdos/tcpip/
[DIR]  ftp://ftp.uni-koeln.de/pc/win3/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/English/help/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/French/help/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/German/help/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/Italian/help/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/Japanese/help/tcpip/
[DIR]  ftp://ftp.iag.usp.br/pub/win/drivers/impressoras/canon/canon_ir1023/NetSpot_Device_Installer/usa/Windows/data/Spanish/help/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-11.0/source/n/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.0/patches/source/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.0/source/n/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.1/patches/source/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.1/source/n/tcpip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.2/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-8.1/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.0/patches/source/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.0/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.1/patches/source/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.1/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-11.0/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-3.3/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-8.1/patches/source/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.1/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.2/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.0/patches/source/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.0/source/n/tcpip/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.1/patches/source/tcpip/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/msdos/tcpip/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/win2k3/tcpip/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/mobile/tcpip/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/macppc/tcpip/