AS51484 Sieci Blokowe S.C.

Poland BLOKOWE RIPE 5 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

16,384

IPv6 /48 networks

RPKI

6 valid0 no ROA

Peers and downstreams

Holder

AS name: BLOKOWE
Description: Sieci Blokowe S.C.
Organisation: Sieci Blokowe S.C.
Registered in: Sieradz, Poland
Abuse contact: ripe@blokowe.pl
Assigned: 2010-09-06
Registered: 2010-09-07
Record last changed: 2018-09-04 10:53 UTC

46.45.104.0/23 46.45.112.0/20 46.45.64.0/18 46.45.80.0/20 46.45.96.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 6 of 6 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact ripe@blokowe.pl is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
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 2018-09-04.	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/51484"><img src="https://ip-fd.net/badge/asn/51484/health.svg" alt="AS51484 network health on IP-FD.net"></a>

Markdown

[![AS51484 network health](https://ip-fd.net/badge/asn/51484/health.svg)](https://ip-fd.net/asn/51484)

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

Routing changes

Last 30 days

2026-10-05 17:23 UTC	Neighbour gone	AS201091	downstream
2026-10-05 17:23 UTC	Neighbour gone	AS35320	upstream
2026-10-05 17:23 UTC	Neighbour gone	AS24724	upstream
2026-10-05 17:23 UTC	Neighbour gone	AS13194	upstream
2026-10-05 17:23 UTC	Relationship changed	AS9009	upstream to peer
2026-10-05 17:23 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 17:23 UTC	New neighbour	AS49559	peer
2026-10-05 17:23 UTC	New neighbour	AS33891	peer
2026-10-05 17:23 UTC	Relationship changed	AS24748	upstream to peer
2026-10-05 17:23 UTC	Relationship changed	AS24115	upstream to peer
2026-10-05 17:23 UTC	Relationship changed	AS22356	upstream to peer
2026-10-05 17:23 UTC	New neighbour	AS20804	upstream
2026-10-05 17:23 UTC	Relationship changed	AS20473	upstream to peer
2026-10-05 17:23 UTC	Relationship changed	AS14840	upstream to peer
2026-10-05 17:23 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS51484
as-name:        BLOKOWE
org:            ORG-SBS16-RIPE
admin-c:        PW2336-RIPE
tech-c:         PW2336-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         BLOKOWE-PL-MNT
created:        2010-09-07T09:17:25Z
last-modified:  2018-09-04T10:53:58Z
source:         RIPE
% 6 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/51484

const res = await fetch('https://ip-fd.net/api/v1/asn/51484', {
  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/51484', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51484');
curl_setopt($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/51484", 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.

AS1299	Arelion Sweden AB TWELVE99
AS3356	Level 3 Parent, LLC LEVEL3
AS6939	Hurricane Electric LLC HURRICANE
AS20804	Exatel S.A. ASN-TELENERGO

AS44856	GRS Sp. z o.o. GRS-AS
AS201342	Ergonet.pl sp. z o.o. ERGONET1
AS206518	A-Media Jaroslaw Laszczuk AMEDIA
AS208066	Aves Sp. z o.o. KSIEZYC

AS6204	TMRC GROUP SRL ZET-NET
AS9009	M247 Europe SRL M247
AS14840	BR.Digital Telecom AS14840
AS20473	The Constant Company, LLC AS-VULTR
AS22356	Durand do Brasil Ltda AS22356
AS24115	Equinix ASN-EQIX-MLPE
AS24482	SG.GS SGGS-AS-AP
AS24748	Atman Sp. z o.o. THINX_Poland
AS28917	Fiord Networks, UAB Fiord-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS36236	NetActuate, Inc NETACTUATE
AS49544	i3D.net B.V i3Dnet
AS49559	A-Systems Sp. z o.o. IPT-1-IX
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86