Internet Route Registry

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

:AS4237

route:      203.12.72.0/21
descr:      Proxy-registered route object
origin:     AS4237
remarks:    This route object is for a BtN customer route
remarks:    which is being exported under this origin AS.
remarks:    
remarks:    This route object was created because no existing
remarks:    route object with the same origin was found, and
remarks:    since some BtN peers filter based on these objects
remarks:    this route may be rejected if this object is not created.
remarks:    
remarks:    Please contact peering [at] cais.net if you have any
remarks:    questions regarding this object.
mnt-by:     MAINT-AS3491
changed:    sajwani [at] pccwbtn.com 20090227
source:     RADB

route:      20.139.144.0/21
descr:      CMI  (Customer Route)
origin:     AS4237
mnt-by:     MAINT-AS58453
changed:    qas_support [at] cmi.chinamobile.com 20180620
source:     RADB

route:      20.139.8.0/22
descr:      To allow routing to other ISPs
origin:     AS4237
mnt-by:     MAINT-AS7132
changed:    peering [at] intl.att.com 20190903
source:     RADB

route:      20.139.6.0/24
descr:      Akamai Technologies, Inc.
origin:     AS4237
mnt-by:     MAINT-AS32787
notify:     security-bu-plxprov [at] akamai.com
changed:    rguerra [at] akamai.com 20200912
source:     RADB

route:      203.12.75.0/24
descr:      Akamai Technologies, Inc.
origin:     AS4237
mnt-by:     MAINT-AS32787
notify:     security-bu-plxprov [at] akamai.com
changed:    rguerra [at] akamai.com 20200912
source:     RADB

route:      203.12.77.0/24
descr:      Akamai Technologies, Inc.
origin:     AS4237
mnt-by:     MAINT-AS32787
notify:     security-bu-plxprov [at] akamai.com
changed:    rguerra [at] akamai.com 20200912
source:     RADB

route:      20.139.121.0/24
descr:      To allow routing to other ISPs
origin:     AS4237
mnt-by:     MAINT-AS7132
changed:    daniel.rueegg [at] intl.att.com 20200914
source:     RADB

route:      20.139.217.0/24
descr:      To allow routing to other ISPs
origin:     AS4237
mnt-by:     MAINT-AS7132
changed:    daniel.rueegg [at] intl.att.com 20200914
source:     RADB

route:      20.137.160.0/20
origin:     AS4237
descr:      DXC Technology CDC Chicago, IL, US
admin-c:    Stephen Langley
admin-c:    DXC IPADDR
tech-c:     Stephen Langley
tech-c:     DXC IPADDR
notify:     ipaddr [at] dxc.com
mnt-by:     AS71-MNT
changed:    stephen.langley [at] dxc.com 20210823  #14:32:31Z
source:     RADB

route:          20.139.144.0/21
descr:          CMI IP Transit
origin:         AS4237
admin-c:        MAINT-CMI-INT-HK
tech-c:         MAINT-CMI-INT-HK
mnt-by:         MAINT-CMI-INT-HK
changed:        qas_support [at] cmi.chinamobile.com 20180620
source:         NTTCOM