AS16283 Lodz University of Technology

Poland LODMAN-AS2 RIPE 7 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

26,624

IPv6 /48 networks

8,192

RPKI

8 valid0 no ROA

Peers and downstreams

Holder

AS name: LODMAN-AS2
Description: Metropolitan Area Network LODMAN Lodz, Poland
Organisation: Lodz University of Technology
Registered in: Łódź, Poland
Abuse contact: abuse@man.lodz.pl
Assigned: 2001-02-15
Registered: 2001-11-09
Record last changed: 2016-04-14 09:55 UTC

212.191.128.0/18 212.191.192.0/19 212.191.254.0/24 212.191.255.0/24 212.51.200.0/22 212.51.205.0/24 212.51.206.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 8 of 8 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 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@man.lodz.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 2016-04-14.	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/16283"><img src="https://ip-fd.net/badge/asn/16283/health.svg" alt="AS16283 network health on IP-FD.net"></a>

Markdown

[![AS16283 network health](https://ip-fd.net/badge/asn/16283/health.svg)](https://ip-fd.net/asn/16283)

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

Routing changes

Last 30 days

2026-10-04 07:49 UTC

Relationship changed

AS8501

upstream to peer

WHOIS

aut-num:        AS16283
as-name:        LODMAN-AS2
descr:          Metropolitan Area Network LODMAN
descr:          Lodz, Poland
org:            ORG-MANL1-RIPE
admin-c:        PW46-RIPE
tech-c:         LODM-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8256-MNT
created:        2001-11-09T09:16:27Z
last-modified:  2016-04-14T09:55:10Z
source:         RIPE
% 6 routing policy lines (import/export) not shown

Routing data

Updated 1 days ago

Registry record

Fetched 1 days ago 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/16283

const res = await fetch('https://ip-fd.net/api/v1/asn/16283', {
  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/16283', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/16283');
curl_setopt($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/16283", 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))

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