Internet Route Registry

These entries are queried from radb.net using whois, you can try my project getting these.

:AS26101

route:              209.247.158.0/24
descr:              Level3 subnet in Yahoo SCD
origin:             AS26101
remarks:            Level3 /24 in SCD
notify:             netops [at] yahoo-inc.com
mnt-by:             MAINT-YAHOO
changed:            cstan [at] yahoo-inc.com 20021205
source:             RADB

route:      66.94.224.0/20
descr:      Yahoo arin scd block
origin:     AS26101
remarks:    Yahoo duane block 2
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    cstan [at] yahoo-inc.com 20030728
source:     RADB

route:      63.163.102.0/24
descr:      Yahoo overture scd block
origin:     AS26101
remarks:    Yahoo overture duane block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    igor [at] yahoo-inc.com 20050201
source:     RADB

route:      72.30.240.0/20
descr:      Yahoo AC2
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    dougw [at] yahoo-inc.com 20110209
source:     RADB

route:      98.139.24.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    dougw [at] yahoo-inc.com 20110210
source:     RADB

route:      72.30.208.0/22
descr:      Yahoo block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    noahw [at] yahoo-inc.com 20110302
source:     RADB

route:      98.139.100.0/22
descr:      Yahoo block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20110428
source:     RADB

route:      98.139.128.0/17
descr:      Yahoo block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20110428
source:     RADB

route:      63.250.200.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    batta [at] yahoo-inc.com 20110517
source:     RADB

route:      63.250.196.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    batta [at] yahoo-inc.com 20110517
source:     RADB

route:      98.139.16.0/21
descr:      Yahoo BF1
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20110916
source:     RADB

route:      74.6.4.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    pks [at] yahoo-inc.com 20111028
source:     RADB

route:      98.137.200.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    batta [at] yahoo-inc.com 20111109
source:     RADB

route:      66.196.112.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20120309
source:     RADB

route:      66.196.80.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20120328
source:     RADB

route:      68.142.224.0/21
descr:      BF1 datacenter
origin:     AS26101
remarks:    for BF1 datacenter
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    wraney [at] yahoo-inc.com 20120327
source:     RADB

route:      68.142.236.0/22
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-AS7280
changed:    jsummers [at] yahoo-inc.com 20120613
source:     RADB

route:      68.142.232.0/22
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20120620
source:     RADB

route:      69.147.112.0/23
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20120627
source:     RADB

route:      69.147.120.0/21
descr:      BF1 datacenter
origin:     AS26101
remarks:    for Corp-bf1
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    vgade [at] yahoo-inc.com 20120820
source:     RADB

route:      69.147.116.0/23
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20120828
source:     RADB

route:      69.147.112.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    batta [at] yahoo-inc.com 20121011
source:     RADB

route:      76.13.24.0/21
descr:      Yahoo BF1
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20121114
source:     RADB

route:      209.73.180.0/22
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20130128
source:     RADB

route:      98.139.4.0/22
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20130206
source:     RADB

route:      69.147.112.0/20
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    pks [at] yahoo-inc.com 20130304
source:     RADB

route:      216.109.112.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20130325
source:     RADB

route:      216.109.114.0/23
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20130401
source:     RADB

route:      98.139.96.0/21
descr:      Yahoo BF1 block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    noahw [at] yahoo-inc.com 20130611
source:     RADB

route:      69.147.116.0/22
descr:      Yahoo BF1 block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    noahw [at] yahoo-inc.com 20130624
source:     RADB

route:      63.250.200.0/21
descr:      Yahoo BF1 block
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    noahw [at] yahoo-inc.com 20130624
source:     RADB

route:      67.195.236.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    tia [at] yahoo-inc.com 20131024
source:     RADB

route:      72.30.204.0/24
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20140212
source:     RADB

route:      74.6.48.0/22
descr:      BF1 datacenter
origin:     AS26101
remarks:    for BF1 datacenter
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    vgade [at] yahoo-inc.com 20140212
source:     RADB

route:      74.6.248.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20140414
source:     RADB

route:      72.30.0.0/19
descr:      BF1 datacenter
origin:     AS26101
remarks:    for BF1 datacenter
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    skarale [at] yahoo-inc.com 20140610
source:     RADB

route:      74.6.96.0/19
descr:      Yahoo BF2
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    batta [at] yahoo-inc.com 20141017
source:     RADB

route:      74.6.64.0/19
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    cschiu [at] yahoo-inc.com 20150917
source:     RADB

route:      66.6.32.0/23
descr:      Yahoo BF2
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    hyihua [at] yahoo-inc.com 20160224
source:     RADB

route:      66.218.72.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20160802
source:     RADB

route:      66.218.92.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20160802
source:     RADB

route:      98.136.108.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20160802
source:     RADB

route:      98.139.8.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20160802
source:     RADB

route:      98.139.12.0/22
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20160802
source:     RADB

route:      72.30.224.0/21
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    marou [at] yahoo-inc.com 20170119
source:     RADB

route:      98.139.32.0/20
descr:      Yahoo BF1
origin:     AS26101
remarks:    block
notify:     netops [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    jasonroh [at] yahoo-inc.com 20170321
source:     RADB

route:      76.13.0.0/17
descr:      BF1
origin:     AS26101
remarks:    Yahoo BF1
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
source:     RADB
changed:    beecher [at] yahoo-inc.com 20170417

route:      67.195.192.0/19
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    jasonroh [at] oath.com 20171002
source:     RADB

route:      98.139.124.0/22
descr:      Yahoo PDB BF1
origin:     AS26101
remarks:    block
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    jasonroh [at] yahoo-inc.com 20171023
source:     RADB

route:      74.6.148.0/22
descr:      Yahoo BF2
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    jasonroh [at] oath.com 20180119
source:     RADB

route:      67.195.176.0/20
descr:      Yahoo BF1
origin:     AS26101
remarks:    Yahoo NGN BF1
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    jasonroh [at] oath.com 20180213
source:     RADB

route6:     2001:4998:58::/46
descr:      Yahoo BF1
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20130830
source:     RADB

route6:     2001:4998:ef99::/48
descr:      Yahoo Corp BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20150428
source:     RADB

route6:     2001:4998:124::/46
descr:      Yahoo BF2
origin:     AS26101
remarks:    
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    cschiu [at] yahoo-inc.com 20150803
source:     RADB

route6:     2001:4998:5c::/46
descr:      Yahoo BF1
origin:     AS26101
notify:     network [at] yahoo-inc.com
mnt-by:     MAINT-YAHOO
changed:    nevin [at] yahoo-inc.com 20150428
source:     RADB