Internet Route Registry

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

:AS4237

route:          20.137.160.0/20
origin:         AS4237
descr:          DXC Technology CDC Chicago, IL, US
admin-c:        DXC IPADDR
tech-c:         DXC IPADDR
notify:         ipaddr [at] dxc.com
mnt-by:         AS71-MNT
changed:        tomas.kostrian [at] dxc.com 20230908  #17:06:46Z
source:         RADB
last-modified:  2023-11-13T16:18:34Z
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

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
last-modified:  2023-11-13T15:57:21Z
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

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
last-modified:  2023-11-13T16:01:38Z
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

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
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

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
last-modified:  2023-11-13T15:54:00Z
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

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
last-modified:  2023-11-13T16:01:38Z
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source

route:          203.12.77.0/24
descr:          To allow routing to other ISPs
origin:         AS4237
mnt-by:         MAINT-AS7132
changed:        daniel.rueegg [at] intl.att.com 20221124
source:         RADB
last-modified:  2023-11-13T16:13:09Z
rpki-ov-state:  valid

route:          203.12.77.0/24
origin:         AS4237
descr:          DXC Technology Australia Pty Limited
                26 Talavera Road
mnt-by:         MAINT-AU-DTAPL
last-modified:  2023-08-31T14:12:53Z
source:         APNIC
rpki-ov-state:  valid