AS Number
AS140577
AS Name
AHREFS-AS-AP
Org Name
Ahrefs Pte Ltd
Country
Singapore
Registry

apnic

RegDate

N/A

Updated

2023-07-24T09:58:06Z

AS140577 Looking Glass
IPv4Prefixes

11

IPv6Prefixes

8

IPv4 NUMs

11,264

IPv6 NUMs(/64)

4,295,032,832

11,264 IPv4 Addresses
CIDR Description IP Num
61.16.24.0/22 AHREFS-SG Ahrefs Pte Ltd 1024
103.150.140.0/23 AHREFS-SG Ahrefs Pte Ltd 512
168.100.128.0/21 AHREFS-SG Ahrefs Pte Ltd 2048
168.100.136.0/22 AHREFS-SG Ahrefs Pte Ltd 1024
168.100.140.0/22 AHREFS-UK Ahrefs UK 1024
168.100.144.0/20 AHREFS-US Ahrefs USA 4096
168.100.148.0/24 AHREFS-US Ahrefs USA 256
202.8.40.0/23 AHREFS-CRAWLER-A-USA Ahrefs Crawler A 512
202.8.40.0/22 AHREFS-SG Ahrefs Pte Ltd 1024
202.8.42.0/23 AHREFS-CRAWLER-B-USA Ahrefs Crawler B 512
202.94.84.0/23 AHREFS-SG Ahrefs Pte Ltd 512
CIDR Description IP NUMs(prefix /64)
2001:df3:7c80::/48 AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0::/48 AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0::/32 AHREFS-SG Ahrefs Pte Ltd 4294967296
2401:59a0:1::/48 AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:2::/48 AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:5::/48 AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:8::/46 AHREFS-SG Ahrefs Pte Ltd 262144
2401:59a0:c::/46 AHREFS-SG Ahrefs Pte Ltd 262144
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8,192 4,294,967,296 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,400 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 40,448 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 580,608 282,627,370,713,088 IPv4 IPv4 IPv6 IPv6
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,488 4,275,109,888 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS140570 HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK Hong Kong 5,632 65,536 IPv4 IPv4
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 123,648 112,721,920 IPv4 IPv4 IPv6 IPv6
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1,868,544 12,884,967,424 IPv6 IPv6
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 572,928 55,834,705,920 IPv4 IPv4 IPv6 IPv6
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 105,472 77,403,783,168 IPv4 IPv4 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS293 ESNET, US United States 140,288 4,295,163,904 IPv4 IPv4
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 22,528 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,178,560 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,930,368 185,692,717,056 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,673,728 52,076,871,680 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 69,888 18,481,152 IPv4 IPv4
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,096 4,295,163,904 IPv4 IPv4 IPv6 IPv6
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



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 2025-06-25
mnt-by:         MAINT-AHREFS-SG
last-modified:  2025-11-18T00:33:40Z
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, # 08-02, Singapore Singapore 018936
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 2025-06-25
abuse-mailbox:  network-abuse@ahrefs.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-25T05:52:34Z
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