56173 YAHOO-SG3 internet content provider, SG
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS10310 YAHOO-1, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4735 AS56173 ORIGIN Originate: 41728 /16.65 Transit: 0 /0.00 YAHOO-SG3 internet content provider, 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 % 2818 AS56173 YAHOO-SG3 internet content provider, SG 25 21 1 5 20 80.00% Prefix AS Path Aggregation Suggestion 106.10.128.0/17 6939 10310 56173 + Announce - aggregate of 106.10.128.0/18 (6939 10310 56173) and 106.10.192.0/18 (6939 10310 56173) 106.10.128.0/18 6939 10310 56173 - Withdrawn - aggregated with 106.10.192.0/18 (6939 10310 56173) 106.10.133.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.128.0/18 6939 10310 56173 106.10.153.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.128.0/18 6939 10310 56173 106.10.186.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.128.0/18 6939 10310 56173 106.10.188.0/22 6939 10310 56173 - Withdrawn - matching aggregate 106.10.128.0/18 6939 10310 56173 106.10.192.0/19 6939 10310 56173 - Withdrawn - aggregated with 106.10.224.0/19 (6939 10310 56173) 106.10.193.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.192.0/19 6939 10310 56173 106.10.198.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.192.0/19 6939 10310 56173 106.10.210.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.192.0/19 6939 10310 56173 106.10.218.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.192.0/19 6939 10310 56173 106.10.219.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.192.0/19 6939 10310 56173 106.10.224.0/19 6939 10310 56173 - Withdrawn - aggregated with 106.10.192.0/19 (6939 10310 56173) 106.10.231.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.224.0/19 6939 10310 56173 106.10.236.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.224.0/19 6939 10310 56173 106.10.237.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.224.0/19 6939 10310 56173 106.10.248.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.224.0/19 6939 10310 56173 106.10.249.0/24 6939 10310 56173 - Withdrawn - matching aggregate 106.10.224.0/19 6939 10310 56173 124.108.86.0/23 6939 10310 56173 124.108.86.0/24 6939 10310 56173 - Withdrawn - matching aggregate 124.108.86.0/23 6939 10310 56173 124.108.87.0/24 6939 10310 56173 - Withdrawn - matching aggregate 124.108.86.0/23 6939 10310 56173 202.43.208.0/22 6939 10310 56173 202.165.100.0/22 6939 10310 56173 202.165.104.0/22 6939 10310 56173 202.165.106.0/24 6939 10310 56173 - Withdrawn - matching aggregate 202.165.104.0/22 6939 10310 56173 202.165.107.0/24 6939 10310 56173 - Withdrawn - matching aggregate 202.165.104.0/22 6939 10310 56173
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS56173 25 More Specifics 25 Total Advertisements YAHOO-SG3 internet content provider, SG
106.10.128.0/18 106.10.128.0/17
106.10.133.0/24 106.10.128.0/17
106.10.153.0/24 106.10.128.0/17
106.10.186.0/24 106.10.128.0/17
106.10.188.0/22 106.10.128.0/17
106.10.192.0/19 106.10.128.0/17
106.10.193.0/24 106.10.128.0/17
106.10.198.0/24 106.10.128.0/17
106.10.210.0/24 106.10.128.0/17
106.10.218.0/24 106.10.128.0/17
106.10.219.0/24 106.10.128.0/17
106.10.224.0/19 106.10.128.0/17
106.10.231.0/24 106.10.128.0/17
106.10.236.0/24 106.10.128.0/17
106.10.237.0/24 106.10.128.0/17
106.10.248.0/24 106.10.128.0/17
106.10.249.0/24 106.10.128.0/17
124.108.86.0/23 124.108.64.0/19
124.108.86.0/24 124.108.64.0/19
124.108.87.0/24 124.108.64.0/19
202.43.208.0/22 202.43.192.0/19
202.165.100.0/22 202.165.96.0/20
202.165.104.0/22 202.165.96.0/20
202.165.106.0/24 202.165.96.0/20
202.165.107.0/24 202.165.96.0/20
whois: 402609
IANA has recorded AS56173 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS56173\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS55296 - AS56319'
as-block: AS55296 - AS56319
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: 2009-09-03T01:15:30Z
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 'AS56173'
% Abuse contact for 'AS56173' is 'rir-abuse@yahooinc.com'
aut-num: AS56173
as-name: YAHOO-SG3
descr: internet content provider
country: SG
import: from AS10310 action pref=100; accept ANY
export: to AS10310 announce AS56173
org: ORG-YA6-AP
admin-c: YI12-AP
tech-c: YI12-AP
abuse-c: AY527-AP
mnt-lower: MAINT-AP-YAHOO-INC
mnt-routes: MAINT-AP-YAHOO-INC
mnt-by: APNIC-HM
mnt-irt: IRT-YAHOO-AP
last-modified: 2021-01-11T00:24:37Z
source: APNIC
irt: IRT-YAHOO-AP
address: 701 First Avenue
address: Sunnyvale, CA 94089
e-mail: rir-admin@yahooinc.com
abuse-mailbox: rir-abuse@yahooinc.com
admin-c: YI12-AP
tech-c: YI12-AP
auth: # Filtered
remarks: rir-admin@yahooinc.com was validated on 2026-04-03
remarks: rir-abuse@yahooinc.com was validated on 2026-04-03
mnt-by: MAINT-AP-YAHOO-INC
last-modified: 2026-05-15T19:17:04Z
source: APNIC
organisation: ORG-YA6-AP
org-name: Yahoo Inc.
org-type: LIR
country: US
address: 770 Broadway
phone: +65-6809-8000
fax-no: +1-214-478-6657
e-mail: rir-admin@yahooinc.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:52Z
source: APNIC
role: ABUSE YAHOOAP
country: ZZ
address: 701 First Avenue
address: Sunnyvale, CA 94089
phone: +000000000
e-mail: rir-admin@yahooinc.com
admin-c: YI12-AP
tech-c: YI12-AP
nic-hdl: AY527-AP
remarks: Generated from irt object IRT-YAHOO-AP
remarks: rir-admin@yahooinc.com was validated on 2026-04-03
remarks: rir-abuse@yahooinc.com was validated on 2026-04-03
abuse-mailbox: rir-abuse@yahooinc.com
mnt-by: APNIC-ABUSE
last-modified: 2026-05-07T16:42:20Z
source: APNIC
role: YAHOO INC
address: 701 First Avenue
address: Sunnyvale, CA 94089
country: US
phone: +1 408 349 3300
fax-no: +1 408 349 3301
e-mail: rir-admin@yahooinc.com
remarks: send spam and abuse reports to rir-abuse@yahooinc.com
remarks: or visit http://abuse.yahoo.com
admin-c: KT615-AP
tech-c: KT615-AP
nic-hdl: YI12-AP
notify: netops@yahoo-inc.com
mnt-by: MAINT-AP-YAHOO-INC
last-modified: 2022-12-06T10:12:37Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)