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
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70,656 18,350,080 IPv4 IPv4
AS4657 STARHUB-INTERNET - Starhub Ltd., SG Singapore 619,520 17,179,869,184 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 327,168 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 22,528 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,328 77,403,586,560 IPv4 IPv4 IPv6 IPv6
AS140570 HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK Hong Kong 4,608 65,536 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 573,184 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS293 ESNET, US United States 140,288 4,295,163,904 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 10,496 42,949,672,960 IPv4 IPv4
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,662,208 17,717,198,848 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 585,216 282,636,229,083,136 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 108,800 110,624,768 IPv4 IPv4 IPv6 IPv6
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 2,146,816 12,884,967,424 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,904,256 185,519,570,944 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,175,424 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8,192 4,294,967,296 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 105,728 351,384,436,736 IPv4 IPv4 IPv6 IPv6
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 38,400 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,608 4,295,098,368 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:         [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:        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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        APLA38-AP
tech-c:         APLA38-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-06-25
mnt-by:         MAINT-AHREFS-SG
last-modified:  2025-09-04T07:43:27Z
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:         [email protected]
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:         [email protected]
admin-c:        APLA38-AP
tech-c:         APLA38-AP
nic-hdl:        AA1705-AP
remarks:        Generated from irt object IRT-AHREFS-SG
remarks:        [email protected] was validated on 2025-06-25
abuse-mailbox:  [email protected]
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:         [email protected]
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