AS1887 PANSTWOWY INSTYTUT BADAWCZY

Poland NASK-ACADEMIC RIPE 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

81,920

IPv6 /48 networks

65,536

RPKI

3 valid0 no ROA

Peers and downstreams

Holder

AS name: NASK-ACADEMIC
Description: PANSTWOWY INSTYTUT BADAWCZY
Organisation: NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
Registered in: Warsaw, Poland
Abuse contact: abuse@nask.pl
Assigned: 1993-08-31
Registered: 2002-07-29
Record last changed: 2019-12-04 11:17 UTC

148.81.0.0/16 195.187.64.0/18

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 80/100

pass	Prefixes covered by valid ROAs 3 of 3 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
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact abuse@nask.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 2019-12-04.	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/1887"><img src="https://ip-fd.net/badge/asn/1887/health.svg" alt="AS1887 network health on IP-FD.net"></a>

Markdown

[![AS1887 network health](https://ip-fd.net/badge/asn/1887/health.svg)](https://ip-fd.net/asn/1887)

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

Routing changes

Last 30 days

2026-10-04 20:43 UTC

Relationship changed

AS5617

upstream to peer

WHOIS

aut-num:        AS1887
as-name:        NASK-ACADEMIC
remarks:        Academic clients only.
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
org:            ORG-NRaA1-RIPE
admin-c:        NASK1-RIPE
tech-c:         NASK1-RIPE
remarks:        
remarks:        Looking-glass at http://www.nask.pl/lg.html
remarks:        
remarks:        ------------------------------
remarks:        Local-preferences
remarks:        100 - Customers
remarks:        50 - Local peerings
remarks:        49 - Local peerings
remarks:        35 - Settable by customers or local peerings (see communities)
remarks:        30 - IXP peerings
remarks:        10 - Uplinks
remarks:        9 - Uplinks
remarks:        
remarks:        ------------------------------
remarks:        Communities used in AS1887
remarks:        (Under reconstruction, these values will change soon)
remarks:        ------------------------------
remarks:        Settable communities:
remarks:        1887:55035 - local-preference is lowered to 35
remarks:        
remarks:        
remarks:        
remarks:        Read-only communities marking prefix origin:
remarks:        1887:60000, 1887:60100 - Customers
remarks:        1887:60010 - Uplinks
remarks:        1887:60050 - Local peerings
remarks:        1887:8501 - POL34 (but only peering link)
remarks:        ------------------------------
status:         ASSIGNED
mnt-by:         AS1887-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2002-07-29T14:22:02Z
last-modified:  2019-12-04T11:17:12Z
source:         RIPE
% 10 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/1887

const res = await fetch('https://ip-fd.net/api/v1/asn/1887', {
  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/1887', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/1887');
curl_setopt($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/1887", 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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