45139 MICROSOFT-AS-AP Microsoft Corp, SG
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
AS9498 BBIL-AP BHARTI Airtel Ltd., IN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 45272 AS45139 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 MICROSOFT-AS-AP Microsoft Corp, SG
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 23092 AS45139 MICROSOFT-AS-AP Microsoft Corp, SG 2 1 0 1 1 50.00% Prefix AS Path Aggregation Suggestion 167.220.226.0/23 6939 9498 45139 167.220.227.0/24 6939 9498 45139 - Withdrawn - matching aggregate 167.220.226.0/23 6939 9498 45139
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS45139 2 More Specifics 2 Total Advertisements MICROSOFT-AS-AP Microsoft Corp, SG
167.220.226.0/23 167.220.224.0/20
167.220.227.0/24 167.220.224.0/20
whois: 402590
IANA has recorded AS45139 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS45139\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS45056 - AS46079'
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: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS45139'
% Abuse contact for 'AS45139' is 'abuse@microsoft.com'
aut-num: AS45139
as-name: MICROSOFT-AS-AP
descr: Microsoft Corp
country: JP
import: from AS6175 action pref=100; accept ANY
import: from AS18084 action pref=100; accept ANY
export: to AS6175 announce AS45139
export: to AS18084 announce AS45139
default: to AS18084 action pref=1; networks ANY
default: to AS6175 action pref=2; networks ANY
remarks: For routing problems with this ASN contact the admin-c
org: ORG-MSPL4-AP
admin-c: NK160-AP
tech-c: NK160-AP
abuse-c: AM2589-AP
notify: naokikit@microsoft.com
mnt-lower: MAINT-AP-MSFT
mnt-routes: MAINT-AP-MSFT
mnt-by: APNIC-HM
mnt-irt: IRT-MICROSOFT-APNIC-SG
last-modified: 2020-07-07T05:09:05Z
source: APNIC
irt: IRT-MICROSOFT-APNIC-SG
address: One Microsft Way
address: Redmond, WA 98052
address: US
e-mail: abuse@microsoft.com
abuse-mailbox: abuse@microsoft.com
admin-c: MP234-AP
tech-c: MP234-AP
auth: # Filtered
remarks: abuse@microsoft.com is invalid
mnt-by: MAINT-AP-MICROSOFT
last-modified: 2025-11-18T00:26:27Z
source: APNIC
organisation: ORG-MSPL4-AP
org-name: Microsoft Singapore Pte. Ltd.
country: US
address: One Microsoft Way
phone: +011-425-706-8080
fax-no: +011-425-936-7329
e-mail: dawn.bedard@microsoft.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2020-05-27T12:56:32Z
source: APNIC
role: ABUSE MICROSOFTAPNICSG
country: ZZ
address: One Microsft Way
address: Redmond, WA 98052
address: US
phone: +000000000
e-mail: abuse@microsoft.com
admin-c: MP234-AP
tech-c: MP234-AP
nic-hdl: AM2589-AP
remarks: Generated from irt object IRT-MICROSOFT-APNIC-SG
remarks: abuse@microsoft.com is invalid
abuse-mailbox: abuse@microsoft.com
mnt-by: APNIC-ABUSE
last-modified: 2025-09-04T18:10:10Z
source: APNIC
person: Naoki Kitajima
nic-hdl: NK160-AP
e-mail: naokikit@microsoft.com
address: Akasaka Garden City 4-15-1 Akasaka, Minato-ku, Tokyo 107-0052
phone: +81-3-4512-3346
fax-no: +81-3-4512-3416
country: JP
mnt-by: MAINT-AP-MSFT
last-modified: 2008-09-04T07:50:54Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)