Twin directories of mib:

[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/8.0.X/8.0-118.3/Multivoice/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/8.0.X/8.0.5/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/9.0.X/9.0-154.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/9.0.X/9.0-159.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/9.0.X/9.0.2/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/MaxTNT/9.0.X/9.0.3/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Max/Release-8.0.X/8.0-118.3/Multivoice/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Max/Release-8.0.X/8.0.5/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Max/Release-9.0.X/9.0-154.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Max/Release-9.0.X/9.0.2/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Max/Release-9.0.X/9.0.3/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLTNT/7.0.X/7.0.1/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLTNT/Archive/2.0.X/2.0.10/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLTNT/Archive/2.0.X/2.0.8/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLTNT/Archive/2.1.X/2.1.0/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Stinger/7.11.X/7.11.6/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Stinger/7.11.X/7.11.7/MIB/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/SuperPipe/7.4.X/7.4.11/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLTNT/Archive/2.1.X/2.1.3/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLPipeline/Release-7.10.X/7.10.9/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/DSLMax/8.0.X/8.0.5/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/CellPipe/CellPipe-50-Series/Release-7.10.X/7.10.11/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/CellPipe/CellPipe-50-Series/Release-7.10.X/7.10.9/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/CellPipe/CellPipe-50-Series/Release-9.1.X/9.1-142.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/APX/8.0.X/8.0.5/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/APX/9.0.X/9.0-154.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/APX/9.0.X/9.0-159.0/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/APX/9.0.X/9.0.2/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/APX/9.0.X/9.0.3/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/SuperPipe/9.1-144.1/MIB/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/Terminator/8.0.X/8.0.5/MIBS/mib/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/cvMax100/9.0.X/9.0.2/MIBS/mib/
[DIR]  ftp://15.201.72.13/ftp2/pub/alphaserver/archive/mib/
[DIR]  ftp://ftp.registro.br/ietf/mib/
[DIR]  ftp://ftp.ripe.net/mirrors/ietf/mib/
[DIR]  ftp://ftp.vimcom.ru/pub/data/accton/mib/
[DIR]  ftp://ftp.isi.edu/ietf/mib/
[DIR]  ftp://ftp.isi.edu/mib/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/mib/
[DIR]  ftp://ftp.uni-koeln.de/graph/mpeg/mpeg_play/mib/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/mib/
[DIR]  ftp://ftp.fhg.de/archive/gmd/div/documents/ietf/mib/
[DIR]  ftp://greyone.tulatelecom.ru/pub/hardware/ascend/pipeline75/6.1.44/mib/
[DIR]  ftp://ftp.multitech.com/mmm/software/mib/
[DIR]  ftp://ftp.lf.net/pub/comm/ftp.bintec.de/pub/mib/
[DIR]  ftp://ftp.elmeg.de/pub/mib/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/mib/
[DIR]  ftp://ftp.ietf.org/ietf/mib/
[DIR]  ftp://ftp.ietf.org/concluded-wg-ietf-mail-archive/mib/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf/mib/