HomeASN LookupAS47273

AS47273 KSI-KR-AS Krzysztof Andrzej Kozak trading as P.P.H.U. "ARTUS"

🇵🇱

Org handle: ORG-KAKT2-RIPE

RIPE NCCallocated
Announced Prefixes (BGP)
7total
5 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)4,096
Announced (BGP)3,840
IPv6 Addresses
Allocated (RIR)1.2×10³⁰
Announced (BGP)1.2×10³⁰
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
10
Country
🇵🇱 PL
RIR
RIPE NCC
Status
allocated
Allocated
2008-05-28

Announced Prefixes

(BGP)7
|
Prefix
RPKI
IRR
Last Seen
139.28.40.0/22
No ROA
RIPE
2026-10-09
185.15.80.0/22
No ROA
RIPE
2026-10-09
185.82.248.0/23
No ROA
RIPE
2026-10-09
185.82.250.0/24
No ROA
RIPE
2026-10-09
193.239.36.0/22
No ROA
RIPE
2026-10-09
2a05:9680::/29
No ROA
RIPE
2026-10-09
2a09:f280::/29
No ROA
RIPE
2026-10-09

Allocated Prefixes

(RIR)6
Prefix
Country
RIR
Status
139.28.40.0/22🇵🇱 PLRIPENCCallocated
185.15.80.0/22🇵🇱 PLRIPENCCallocated
185.82.248.0/22🇵🇱 PLRIPENCCallocated
193.239.36.0/22🇵🇱 PLRIPENCCassigned
2a05:9680::/29🇵🇱 PLRIPENCCallocated
2a09:f280::/29🇵🇱 PLRIPENCCallocated

All 7 announced prefixes of AS47273 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS47273 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS8308NASK COMMERCIAL NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY5
  • AS29535MIX2 OpenPeering Orange Polska Spolka Akcyjna2

Downstreams (3)

Networks whose own prefixes AS47273 passes on: usually its customers.

  • AS207973ISNET W. MISTAK M. MISTAK SPOLKA JAWNA2
  • AS16291GRUDNIK KRK PL Grudnik Sp. Z O.O1
  • AS57556HYVA Polska Sp. Z O.O1

Transfer History

Registry transfers of AS47273 between organisations.

1
  • AS47273Transfer ·
    KSI System Sp. z o.o.
    RIPE NCC
    →
    Krzysztof Andrzej Kozak trading as P.P.H.U. "ARTUS"
    RIPE NCC
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/47273

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/47273" | jq