AS47121 SenseMakers B.V.

Netherlands SENSEMAKERS RIPE 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

256

IPv6 /48 networks

RPKI

0 valid2 no ROA

Peers and downstreams

Holder

AS name: SENSEMAKERS
Description: SenseMakers B.V.
Organisation: SenseMakers B.V.
Registered in: Almere Stad, Netherlands
Abuse contact: beheer@sensemakers.nl
Assigned: 2008-04-28
Registered: 2008-04-29
Record last changed: 2018-09-04 10:32 UTC

195.245.236.0/24

Routing changes

Last 30 days

2026-10-04 04:01 UTC	Neighbour gone	AS205103	upstream
2026-10-04 04:01 UTC	Neighbour gone	AS137409	upstream
2026-10-04 04:01 UTC	Neighbour gone	AS58299	peer
2026-10-04 04:01 UTC	Neighbour gone	AS34927	peer
2026-10-04 04:01 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS6696	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS48646	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS39249	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 04:01 UTC	New neighbour	AS3216	peer
2026-10-04 04:01 UTC	New neighbour	AS31133	peer
2026-10-04 04:01 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 04:01 UTC	New neighbour	AS209090	peer
2026-10-04 04:01 UTC	Relationship changed	AS209022	upstream to peer
2026-10-04 04:01 UTC	Relationship changed	AS20485	upstream to peer

WHOIS

aut-num:        AS47121
as-name:        SENSEMAKERS
org:            ORG-SM18-RIPE
admin-c:        NO340-RIPE
tech-c:         NO340-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OPENPEERING-MNT
created:        2008-04-29T10:27:35Z
last-modified:  2018-09-04T10:32:20Z
source:         RIPE
sponsoring-org: ORG-OPB1-RIPE
% 4 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

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/47121

const res = await fetch('https://ip-fd.net/api/v1/asn/47121', {
  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/47121', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/47121');
curl_setopt($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/47121", 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.

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