AS8256

Name: AS8256 — Lodz University of Technology
Creator: ipdex

Lodz University of Technology Unknown registered in Poland

6IPv4 prefixes

1IPv6 prefixes

86%RPKI-valid

#14,777AS Rank

327/327RIS visibility

#236Rank in Poland

1997-04-04Allocated

Lodz University of Technology (AS8256) — Unknown, registered in Poland. announces 6 IPv4 prefixes + 1 IPv6 prefixes. Rank in Poland: #236. Allocated: 1997-04-04.

IPv4 6IPv6 1

Announced prefixes · 7

v4 192.153.127.0/24 unknown
v4 212.191.0.0/17 valid
v4 212.51.192.0/21 valid
v4 212.51.204.0/24 valid
v4 212.51.207.0/24 valid
v4 212.51.208.0/20 valid
v6 2001:b10::/35 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 6 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	7
2026-06-13	7

AS topology · Customer cone 1

Providers · 3

AS5617 Orange Polska Spolka Akcyjna
AS196844 PIONIER AS ams ix
AS8501 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

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