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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	61.16.24.0/22	Ahrefs Pte Ltd
	103.150.140.0/23	Ahrefs Pte Ltd
	202.8.40.0/22	Ahrefs Pte Ltd
	202.94.84.0/23	Ahrefs Pte Ltd
	168.100.128.0/21	Ahrefs Pte Ltd
	168.100.136.0/22	Ahrefs Pte Ltd
	168.100.140.0/22	Ahrefs UK
	168.100.144.0/20	Ahrefs USA
	168.100.148.0/24	Ahrefs USA
	202.8.40.0/23	Ahrefs Crawler A
	202.8.42.0/23	Ahrefs Crawler B
	2001:df3:7c80::/48	Ahrefs Pte Ltd
	2401:59a0::/48	Ahrefs Pte Ltd
	2401:59a0::/32	Ahrefs Pte Ltd
	2401:59a0:1::/48	Ahrefs Pte Ltd
	2401:59a0:2::/48	Ahrefs Pte Ltd
	2401:59a0:5::/48	Ahrefs Pte Ltd
	2401:59a0:8::/46	Ahrefs Pte Ltd
	2401:59a0:c::/46	Ahrefs Pte Ltd

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6453	TATA Communications (America) Inc	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS174	Cogent Communications, LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS6453	TATA Communications (America) Inc	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS7195	EdgeUno	✔	✔
	AS4826	Vocus Connect International Backbone	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✔
	AS37468	Angola Cables	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS1828	Unitas Global	✔	✔
	AS835	GoCodeIT Inc	✔	✘
	AS4764	Aussie Broadband	✔	✔
	AS13786	Seaborn (Seabras USA, LLC)	✔	✘
	AS399728	P Foundation	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS58453	China Mobile International	✘	✔
	AS63956	5G NETWORK OPERATIONS PTY LTD	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS63927	RISE	✔	✔
	AS5405	Inter.link GmbH	✔	✔
	AS21559	OSNET	✔	✔
	AS55655	PT Sarana Insan Muda Selaras	✔	✘
	AS2635	Automattic, Inc	✔	✔
	AS138997	Eons Data Communications Limited	✔	✘
	AS38001	NewMedia Express Pte. Ltd.	✔	✔
	AS45629	JasTel Network International Gateway	✔	✔
	AS55850	Mercury NZ Limited	✔	✔
	AS24482	SG.GS	✔	✔
	AS917	Misaka Network, Inc.	✔	✔
	AS138840	PT Parsaoran Global Datatrans	✔	✔
	AS45430	SBN-IIG/AWN-IIG transit provider	✔	✔
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS20473	The Constant Company, LLC	✔	✔
	AS9002	RETN Limited	✔	✔
	AS400940	Railway	✔	✘
	AS136106	PT Mega Akses Persada	✔	✔
	AS8966	Etisalat (ETC)	✔	✘
	AS40217	DACS-NX	✔	✔
	AS32133	Ting Fiber Inc.	✔	✔
	AS138128	PT Solnet Indonesia	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS216211	CYBERVERSE LLC	✔	✔
	AS24115	Equinix IX	✘	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS28283	Adyl Telecom	✔	✔
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS8849	Melbikomas UAB	✘	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS139009	Windstream Communication Limited	✔	✘
	AS60171	AFR-IX TELECOM S.A.	✔	✘
	AS38193	Transworld Associates (Pvt.) Ltd.	✔	✘
	AS18678	INTERNEXA S.A. E.S.P	✔	✘
	AS48266	Catixs Ltd	✔	✘
	AS38082	True International Gateway Co., Ltd.	✔	✘
	AS132337	Axclusive	✔	✘
	AS63516	Transhybrid Internet Xchange	✔	✘
	AS141983	PT Rajeg Media Telekomunikasi	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS57695	Misaka Network, Inc.	✔	✘
	AS24198	PT Datakom Padma Jaya	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS4621	UNINET-TH	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS138089	PT Global Media Data Prima	✔	✘
	AS134654	PT Data Utama Dinamika	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS56286	IX Telecom	✘	✔
	AS293	ESnet	✔	✘
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS9304	HGC Global Communications Limited	✘	✔
	AS4455	IX Reach Ltd	✔	✘
	AS3223	Voxility LLP	✔	✘

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


organisation:   ORG-APL63-AP
org-name:       Ahrefs Pte Ltd
org-type:       LIR
country:        SG
address:        ********
address:        ********
phone:          ********
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:11Z
source:         APNIC

Last Update: 2026-02-09T03:22:31Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19663
RADB	as-hurricane	24477
RADB	as-hurricanev6	20348
APNIC	as-ahrefs	1