AS34891 Urzad Miasta Stolecznego Warszawa

Poland UM-Warszawa-AS RIPE 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

768

IPv6 /48 networks

RPKI

0 valid5 no ROA

Peers and downstreams

Holder

AS name: UM-Warszawa-AS
Description: pl. Bankowy 3/5 00-950 Warszawa Poland
Organisation: Urzad Miasta Stolecznego Warszawa
Abuse contact: abuse@um.warszawa.pl
Assigned: 2005-04-24
Registered: 2005-04-25
Record last changed: 2023-11-30 08:53 UTC

194.30.179.0/24 91.237.138.0/23 91.237.138.0/24 91.237.139.0/24

Routing changes

Last 30 days

2026-10-04 08:09 UTC	Neighbour gone	AS35320	upstream
2026-10-04 08:09 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 08:09 UTC	New neighbour	AS49559	peer
2026-10-04 08:09 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 08:09 UTC	Relationship changed	AS24115	upstream to peer
2026-10-04 08:09 UTC	Relationship changed	AS201054	upstream to peer
2026-10-04 08:09 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 08:09 UTC	Relationship changed	AS13194	upstream to peer

WHOIS

aut-num:        AS34891
as-name:        UM-Warszawa-AS
descr:          pl. Bankowy 3/5
descr:          00-950 Warszawa
descr:          Poland
org:            ORG-UMSW1-RIPE
sponsoring-org: ORG-NTS2-RIPE
admin-c:        ATMA2-RIPE
admin-c:        KS344-RIPE
tech-c:         ATMA1-RIPE
tech-c:         KS344-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ATMAN-MNT
mnt-by:         UMWAWA-MNT
created:        2005-04-25T14:42:45Z
last-modified:  2023-11-30T08:53:46Z
source:         RIPE
% 8 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/34891

const res = await fetch('https://ip-fd.net/api/v1/asn/34891', {
  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/34891', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/34891');
curl_setopt($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/34891", 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.

AS6939	Hurricane Electric LLC HURRICANE
AS29314	VECTRA S.A. VECTRANET-AS

AS9009	M247 Europe SRL M247
AS13194	UAB "Bite Lietuva" BITE
AS24115	Equinix ASN-EQIX-MLPE
AS24482	SG.GS SGGS-AS-AP
AS29632	Netassist International EOOD NASSIST-AS
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
AS201054	Stowarzyszenie e-Poludnie EPIX-PolMix