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
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,240,960 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 106,240 355,679,338,496 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,840 77,386,809,344 IPv4 IPv4 IPv6 IPv6
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,661,696 288,300,138,496 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 108,544 111,673,344 IPv4 IPv4 IPv6 IPv6
AS4657 STARHUB-INTERNET - Starhub Ltd., SG Singapore 617,216 17,179,869,184 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 324,352 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 37,376 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,248 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 464,128 282,627,370,778,624 IPv4 IPv4 IPv6 IPv6
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 22,528 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS140570 HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK Hong Kong 4,608 65,536 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS293 ESNET, US United States 140,288 4,295,163,904 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 573,440 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8,192 4,294,967,296 IPv4 IPv4
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,608 4,295,098,368 IPv4 IPv4 IPv6 IPv6
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 2,049,536 12,884,967,424 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,936,000 258,978,086,912 IPv4 IPv4 IPv6 IPv6
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70,656 18,350,080 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
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