AS140577 Ahrefs Pte Ltd

Singapore AHREFS-AS-AP APNIC 12 IPv4 prefixes 10 IPv6 prefixes

IPv4 addresses

11,264

IPv6 /48 networks

65,537

RPKI

22 valid0 no ROA

Peers and downstreams

Holder

AS name: AHREFS-AS-AP
Description: Ahrefs Pte Ltd
Organisation: Ahrefs Pte Ltd
Abuse contact: Not published
Assigned: 2020-04-15
Registered: 2020-04-16
Record last changed: 2023-07-24 09:58 UTC

103.150.140.0/23 168.100.128.0/21 168.100.136.0/22 168.100.140.0/22 168.100.144.0/20 168.100.146.0/23 168.100.148.0/24 202.8.40.0/22 202.8.40.0/23 202.8.42.0/23 202.94.84.0/23 61.16.24.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 95/100

pass	Prefixes covered by valid ROAs 22 of 22 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 10 IPv6 prefixes.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact network-abuse@ahrefs.com is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
fail	Registry record maintained Last changed 2023-07-24.	0/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/140577"><img src="https://ip-fd.net/badge/asn/140577/health.svg" alt="AS140577 network health on IP-FD.net"></a>

Markdown

[![AS140577 network health](https://ip-fd.net/badge/asn/140577/health.svg)](https://ip-fd.net/asn/140577)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 11:06 UTC	Neighbour gone	AS17639	peer
2026-10-04 11:06 UTC	Neighbour gone	AS9583	upstream
2026-10-04 11:06 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS6057	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS24115	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS17557	upstream to peer
2026-10-04 11:06 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS140577
as-name:        AHREFS-AS-AP
handle:         AS140577
remarks:        Ahrefs Pte Ltd
technical,administrative:APLA38-AP (Ahrefs Pte Ltd administrator) <network-abuse@ahrefs.com>
abuse:          IRT-AHREFS-SG (IRT-AHREFS-SG) <network-abuse@ahrefs.com>
registrant:     ORG-APL63-AP (Ahrefs Pte Ltd) <network-team@ahrefs.com>
registration:   2020-04-16T04:37:58Z
last changed:   2023-07-24T09:58:06Z
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/140577

const res = await fetch('https://ip-fd.net/api/v1/asn/140577', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/140577', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/140577');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/140577", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS174
AS6453	TATA COMMUNICATIONS (AMERICA) INC AS6453
AS6461	Zayo Bandwidth ZAYO-6461
AS6939	Hurricane Electric LLC HURRICANE

AS1828	Unitas Global UNITAS
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS7195	EDGEUNO S.A.S AS7195
AS9002	RETN Limited RETN-AS
AS13786	Seabras 1 USA, LLC SEABORN
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS17557	Pakistan Telecommunication Company Limited PKTELECOM-AS-PK
AS24115	Equinix ASN-EQIX-MLPE
AS24482	SG.GS SGGS-AS-AP
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS38001	NewMedia Express Pte Ltd NEWMEDIAEXPRESS-AS-AP
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS45896	Mobifone Global JSC MOBIFONEGLOBAL-AS-VN
AS49544	i3D.net B.V i3Dnet
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS52320	GlobeNet Cabos Submarinos Colombia, S.A.S. AS52320
AS58952	Frontiir Co. Ltd FRONTIIRCOLTD-MM
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS133210	EN Technologies Pte Ltd ENTECHNOLOGIES-AS-AP
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS199524	G-Core Labs S.A. GCORE