AS1887
Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
AS1887 — global IP footprint
Cities where AS1887 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1887 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 148.81.0.0/16 | 5,936 | 2026-07-24 07:22:27 |
| 195.187.64.0/18 | 5,912 | 2026-07-24 07:22:27 |
Frequently Asked Questions
What is AS1887?
AS1887 is an Autonomous System Number assigned to Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS1887 announce?
AS1887 announces 78.8K IPv4 addresses distributed across 43 routed CIDR prefixes. The network is registered in Poland.
Who operates AS1887?
AS1887 is operated by Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS1887 registered in?
AS1887 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
