140577 AHREFS-AS-AP Ahrefs Pte Ltd, SG
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS174 COGENT-174 - Cogent Communications, LLC, US
AS6939 HURRICANE - Hurricane Electric LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9146 AS140577 ORIGIN Originate: 12544 /18.39 Transit: 0 /0.00 AHREFS-AS-AP Ahrefs Pte Ltd, 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 % 9133 AS140577 AHREFS-AS-AP Ahrefs Pte Ltd, SG 11 7 2 6 5 45.45% Prefix AS Path Aggregation Suggestion 61.16.24.0/22 4777 6939 140577 103.150.140.0/23 4777 6939 140577 168.100.128.0/19 4777 6939 140577 + Announce - aggregate of 168.100.128.0/20 (4777 6939 140577) and 168.100.144.0/20 (4777 6939 140577) 168.100.128.0/21 4777 6939 140577 - Withdrawn - aggregated with 168.100.136.0/21 (4777 6939 140577) 168.100.136.0/22 4777 6939 140577 - Withdrawn - aggregated with 168.100.140.0/22 (4777 6939 140577) 168.100.140.0/22 4777 6939 140577 - Withdrawn - aggregated with 168.100.136.0/22 (4777 6939 140577) 168.100.144.0/20 4777 6939 140577 - Withdrawn - aggregated with 168.100.128.0/20 (4777 6939 140577) 168.100.148.0/24 4777 6939 140577 - Withdrawn - matching aggregate 168.100.144.0/20 4777 6939 140577 202.8.40.0/22 4777 2497 174 140577 202.8.40.0/22 4608 7575 6461 140577 + Announce - aggregate of 202.8.40.0/23 (4608 7575 6461 140577) and 202.8.42.0/23 (4608 7575 6461 140577) 202.8.40.0/23 4608 7575 6461 140577 - Withdrawn - aggregated with 202.8.42.0/23 (4608 7575 6461 140577) 202.8.42.0/23 4608 7575 6461 140577 - Withdrawn - aggregated with 202.8.40.0/23 (4608 7575 6461 140577) 202.94.84.0/23 4777 6939 140577
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS140577 7 More Specifics 11 Total Advertisements AHREFS-AS-AP Ahrefs Pte Ltd, SG
168.100.128.0/21 168.100.128.0/19
168.100.136.0/22 168.100.128.0/19
168.100.140.0/22 168.100.128.0/19
168.100.144.0/20 168.100.128.0/19
168.100.148.0/24 168.100.128.0/19
202.8.40.0/23 202.8.40.0/22
202.8.42.0/23 202.8.40.0/22
whois: 402332
IANA has recorded AS140577 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS140577\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS139578 - AS140601'
as-block: AS139578 - AS140601
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: 2019-06-13T01:03:23Z
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 'AS140577'
% Abuse contact for 'AS140577' is 'network-abuse@ahrefs.com'
aut-num: AS140577
as-name: AHREFS-AS-AP
descr: Ahrefs Pte Ltd
country: SG
import: from AS174 accept ANY
import: from AS6939 accept ANY
import: from AS6453 accept ANY
import: from AS24115 accept ANY
import: from AS6461 accept ANY
export: to AS174 announce AS140577
export: to AS6939 announce RS-AHREFS-SG
export: to AS6453 announce RS-AHREFS-SG
export: to AS24115 announce RS-AHREFS-SG
export: to AS6461 announce RS-AHREFS-US
org: ORG-APL63-AP
admin-c: APLA38-AP
tech-c: APLA38-AP
abuse-c: AA1705-AP
mnt-lower: MAINT-AHREFS-SG
mnt-routes: MAINT-AHREFS-SG
mnt-by: APNIC-HM
mnt-irt: IRT-AHREFS-SG
last-modified: 2023-07-24T09:58:06Z
source: APNIC
irt: IRT-AHREFS-SG
address: Marina One East Tower,, 7 Straits View,
e-mail: network-abuse@ahrefs.com
abuse-mailbox: network-abuse@ahrefs.com
admin-c: APLA38-AP
tech-c: APLA38-AP
auth: # Filtered
remarks: network-abuse@ahrefs.com was validated on 2025-12-30
mnt-by: MAINT-AHREFS-SG
last-modified: 2025-12-30T14:20:35Z
source: APNIC
organisation: ORG-APL63-AP
org-name: Ahrefs Pte Ltd
org-type: LIR
country: SG
address: Marina One East Tower,
address: 7 Straits View, # 08-02
phone: +6585915924
e-mail: network-team@ahrefs.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:18:11Z
source: APNIC
role: ABUSE AHREFSSG
country: ZZ
address: Marina One East Tower,, 7 Straits View,
phone: +000000000
e-mail: network-abuse@ahrefs.com
admin-c: APLA38-AP
tech-c: APLA38-AP
nic-hdl: AA1705-AP
remarks: Generated from irt object IRT-AHREFS-SG
remarks: network-abuse@ahrefs.com was validated on 2025-12-30
abuse-mailbox: network-abuse@ahrefs.com
mnt-by: APNIC-ABUSE
last-modified: 2025-12-30T14:20:55Z
source: APNIC
role: Ahrefs Pte Ltd administrator
address: Marina One East Tower,, 7 Straits View, #08-02, Singapore Singapore 018936
country: SG
phone: +6585915924
e-mail: network-abuse@ahrefs.com
admin-c: APLA38-AP
tech-c: APLA38-AP
nic-hdl: APLA38-AP
mnt-by: MAINT-AHREFS-SG
last-modified: 2020-04-16T04:37:46Z
source: APNIC
% Information related to 'AS139578 - AS140601'
as-block: AS139578 - AS140601
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-15T00:06:08Z
source: IDNIC
role: ID-NIC ADMINISTRATORS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
admin-c: IH288-AP
tech-c: IH288-AP
nic-hdl: IA55-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2026-02-25T04:06:45Z
source: IDNIC
role: ID-NIC HOSTMASTERS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
remarks: spam and abuse report : abuse@apjii.or.id
remarks: technical and routing : support@apjii.or.id
remarks: administrative request : admin@apjii.or.id
remarks: IDNIC hostmasters role object
admin-c: IH1-AP
tech-c: IH1-AP
nic-hdl: IH123-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2024-07-10T05:48:59Z
source: IDNIC
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