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

10

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
2401:59a0:3::/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
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 26,624 4,831,838,208 IPv4 IPv4 IPv6 IPv6
AS45896 MOBIFONEGLOBAL-AS-VN - Mobifone Global JSC, VN Viet Nam 10,240 4,295,032,832 IPv4 IPv4
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
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 108,544 22,013,476,864 IPv4 IPv4
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
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 331,008 17,180,065,792 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
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, PH Philippines 1,280 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4
AS293 ESNET - ESnet, US United States 140,800 4,295,163,904 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 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 125,952 118,226,945 IPv4 IPv4 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv6 IPv6
AS38082 IIT-TIG-AS-AP - True International Gateway Co., Ltd., TH Thailand 7,168 4,294,967,296 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 506,880 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,352 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 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
QTS Ashburn (ASH3) Ashburn http://qtsdatacenters.com 2023-11-14 13:10:47
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

Whois Record

as-block AS139578 - AS140601

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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
2026-08-26T00:40:00Z
source
APNIC

aut-num AS140577

aut-num
as-name
AHREFS-AS-AP
descr
Ahrefs Pte Ltd
country
SG
import
from AS174 accept ANY
from AS6939 accept ANY
from AS6453 accept ANY
from AS24115 accept ANY
from AS6461 accept ANY
export
to AS174 announce AS140577
to AS6939 announce RS-AHREFS-SG
to AS6453 announce RS-AHREFS-SG
to AS24115 announce RS-AHREFS-SG
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

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

organisation
ORG-APL63-AP
org-name
Ahrefs Pte Ltd
org-type
LIR
country
SG
address
Marina One East Tower,
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

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
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

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

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:        PO Box 3646
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:  2026-08-26T00:40:00Z
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