AS42763 CZAJEN FPUH Czajen Krzysztof Czaja
🇵🇱Org handle: ORG-CZA1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
17total
17 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)3,584
Announced (BGP)7,168
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Announced Prefixes
(BGP)17|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
1-10 of 17
1 / 2
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 77.87.0.0/21 | 🇵🇱 PL | RIPENCC | assigned |
| 91.193.120.0/22 | 🇵🇱 PL | RIPENCC | assigned |
| 193.33.174.0/23 | 🇵🇱 PL | RIPENCC | assigned |
All 17 announced prefixes of AS42763 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS42763 hands its own prefixes to: transit providers, or peers at an exchange.
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS42763 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/42763Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/42763" | jq