AS203821 IT4 Polska Sp. z o.o. 🇵🇱 PL
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
768 (3 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS203821
- Name
- IT4 Polska Sp. z o.o.
- Organisation
- IT 4 Polska SP ZOO
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2015-10-23
- Network type
- Cable/DSL/ISP
- Traffic levels
- 10-20Gbps
- Scope
- Regional
- Peering policy
- Open
- Website
- http://www.it4polska.pl
- PeeringDB
- net/12278
- Exchanges
- 2
- Facilities
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 91.207.184.0/24 v4 | no ROA | 46 | 2448251465203821 | 2026-09-18 |
| 91.207.185.0/24 v4 | no ROA | 46 | 2448251465203821 | 2026-09-18 |
| 217.28.134.0/24 v4 | no ROA | 46 | 2448251465203821 | 2026-09-18 |