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

apnic

RegDate

Updated

2019-06-13T01:03:23Z

AS140577 Looking Glass
IPv4Prefixes

12

IPv6Prefixes

9

IPv4 NUMs

11,264

IPv6 NUMs(/64)

4,295,032,832

CIDR Description IP Num
61.16.24.0/22
IRR InValid
AHREFS-SG Ahrefs Pte Ltd 1024
103.150.140.0/23
IRR InValid
AHREFS-SG Ahrefs Pte Ltd 512
168.100.128.0/21
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 2048
168.100.136.0/22
IRR Parent Valid
AHREFS-SG Ahrefs Pte Ltd 1024
168.100.140.0/22
IRR InValid
AHREFS-UK Ahrefs UK 1024
168.100.144.0/20
IRR Valid
AHREFS-US Ahrefs USA 4096
168.100.146.0/23
IRR Parent Valid
AHREFS-US Ahrefs USA 512
168.100.148.0/24
IRR Valid
AHREFS-US Ahrefs USA 256
202.8.40.0/23
IRR InValid
AHREFS-CRAWLER-A-USA Ahrefs Crawler A 512
202.8.40.0/22
IRR InValid
AHREFS-SG Ahrefs Pte Ltd 1024
202.8.42.0/23
IRR InValid
AHREFS-CRAWLER-B-USA Ahrefs Crawler B 512
202.94.84.0/23
IRR InValid
AHREFS-SG Ahrefs Pte Ltd 512
CIDR Description IP NUMs(prefix /64)
2001:df3:7c80::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0::/32
IRR InValid
AHREFS-SG Ahrefs Pte Ltd 4294967296
2401:59a0:1::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:2::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:4::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:5::/48
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 65536
2401:59a0:8::/46
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 262144
2401:59a0:c::/46
IRR Valid
AHREFS-SG Ahrefs Pte Ltd 262144
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 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
AS38082 IIT-TIG-AS-AP - True International Gateway Co., Ltd., TH Thailand 7,168 4,294,967,296 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8,192 4,294,967,296 IPv4 IPv4
AS140570 HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK Hong Kong 5,376 65,536 IPv4 IPv4
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv4 IPv4
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 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
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,211,200 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,352 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 139,264 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,040 51,808,436,224 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 455,680 283,043,982,540,800 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS45896 MOBIFONEGLOBAL-AS-VN - Mobifone Global JSC, VN Viet Nam 10,240 4,295,032,832 IPv4 IPv4
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 108,800 25,771,573,248 IPv4 IPv4
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,729,631,744 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 331,776 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 506,624 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126,720 118,226,945 IPv4 IPv4 IPv6 IPv6
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 26,880 4,831,903,744 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4 IPv6 IPv6
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 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Singapore Equinix Singapore - Equinix Internet Exchange Singapore 27.111.230.115 2001:de8:4::14:577:1 100 Gbps 2023-11-15 15:07:24

Private Peering Facilities

Country / Region Name City Website Updated
Equinix DC1-DC15,DC21-DC22 - Ashburn Ashburn http://www.equinix.com/ 2023-11-14 14:26:18
Equinix SG3 - Singapore Singapore https://www.equinix.com/locations/singapore-colocation/singapore-data-center/sg3/ 2023-11-14 14:26:41
QTS Ashburn (ASH3) Ashburn http://qtsdatacenters.com 2023-11-14 13:10:47
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:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
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 2026-08-07
mnt-by:         MAINT-AHREFS-SG
last-modified:  2026-08-07T12:19:08Z
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 2026-08-07
abuse-mailbox:  network-abuse@ahrefs.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-07T12:19:48Z
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