AS Name
Org Name
Yahoo Corp Network
Registry Region
Looking Glass






IPv6 NUMs(/64)


768 IPv4 Addresses
CIDR Description IP Num YAHOO-CHKG Corp-HKG office 256 YAHOOAPAC TW office (Corp-TWN) 256 YAHOO-Singapore Yahoo Singapore Corporate Network 256
CIDR Description IP NUMs(prefix /64)
2406:2000:efa5::/48 YAHOOASIAIPV6BLK-TW-20070613 Yahoo! Taiwan Inc. 65536
2406:2000:efb3::/48 CORP-SNG-V6 Oath Corp-SNG office 65536
2406:2000:efba::/48 YAHOO-CHKG Corp-HKG office 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS10310 YAHOO-1 - Oath Holdings Inc., US United States 203,264 21,475,229,696 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains 1
as-block:       AS45056 - AS46079
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T05:48:11Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

aut-num:        AS45501
as-name:        YAHOO-CORP-SG-AS-AP
descr:          Yahoo Corp Network
descr:          Singapore
country:        SG
org:            ORG-YI2-AP
import:         from AS10310 action pref=200; accept ANY
import:         from AS18293 action pref=100; accept ANY
export:         to AS10310 announce AS45501
export:         to AS18293 announce AS45501
admin-c:        KT273-AP
tech-c:         KT273-AP
notify:         [email protected]
mnt-routes:     MAINT-YAHOOISNET-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAHOOISNET-HK
mnt-lower:      MAINT-YAHOOISNET-HK
last-modified:  2019-06-09T22:42:53Z
source:         APNIC

irt:            IRT-YAHOOISNET-HK
address:        701 First Avenue
address:        Sunnyvale
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        BC365-AP
tech-c:         KT273-AP
auth:           # Filtered
remarks:        [email protected] is invalid
mnt-by:         MAINT-YAHOOISNET-HK
last-modified:  2019-12-28T03:51:42Z
source:         APNIC

organisation:   ORG-YI2-AP
org-name:       Yahoo IS-NET
country:        HK
address:        15/F
address:        Lee Garden Two
address:        28 Yun Ping Road, Causeway Bay,
phone:          +852---21206875
fax-no:         +852---28826890
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2019-03-28T12:55:56Z
source:         APNIC

person:         Ka Wing Tso
nic-hdl:        KT273-AP
e-mail:         [email protected]
address:        27/F, Sunning Plaza,
address:        10 Hysan Avenue,
address:        Causeway Bay, Hong Kong
phone:          +852-28376275
fax-no:         +852-25041423
country:        HK
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:49:45Z
source:         APNIC