Home Prefix Lookup81.18.204.0/22

81.18.204.0/22 - AS9141 P4 Sp. Z O.O (AS9141)

IPv4RIPE NCCannouncedAS9141AS9141 P4 Sp. z o.o. RPKI Valid

CIDR

81.18.204.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇵🇱 Poland

City

Warsaw (Wola)

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
81.18.204.0/22	AS9141 AS9141 P4 Sp. z o.o.	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
81.18.204.0/22	AS9141	/22	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9141	RIPE	P4-UPCPL-MNT	2025-03-03

More Specific Prefixes

Prefix	Country	Status
81.18.204.33/32	🇵🇱PL	assigned
81.18.204.34/31	🇵🇱PL	assigned
81.18.204.36/30	🇵🇱PL	assigned
81.18.204.40/29	🇵🇱PL	assigned
81.18.204.48/29	🇵🇱PL	assigned
81.18.204.56/30	🇵🇱PL	assigned
81.18.204.60/31	🇵🇱PL	assigned
81.18.204.62/32	🇵🇱PL	assigned
81.18.204.96/27	🇵🇱PL	assigned
81.18.204.224/28	🇵🇱PL	assigned
81.18.205.24/29	🇵🇱PL	assigned
81.18.205.32/29	🇵🇱PL	assigned
81.18.205.48/28	🇵🇱PL	assigned
81.18.205.104/29	🇵🇱PL	assigned
81.18.205.192/26	🇵🇱PL	assigned
81.18.206.16/28	🇵🇱PL	assigned
81.18.206.64/26	🇵🇱PL	assigned
81.18.206.128/25	🇵🇱PL	assigned
81.18.207.16/29	🇵🇱PL	assigned
81.18.207.32/28	🇵🇱PL	assigned
81.18.207.160/27	🇵🇱PL	assigned
81.18.207.248/29	🇵🇱PL	assigned

Transfer History

Registry transfers of 81.18.204.0/22, blocks inside it, or blocks containing it.

81.18.192.0/20M&A · 2024-02-19
UPC Polska Sp. z o.o.
RIPE NCC
→
P4 Sp. z o.o.
RIPE NCC

Date	Resource	From	To	Type
2024-02-19	81.18.192.0/20	UPC Polska Sp. z o.o. RIPE NCC	P4 Sp. z o.o. RIPE NCC	M&A

Origin ASN

AS9141

AS9141 P4 Sp. z o.o.

Related Prefixes

More prefixes of AS9141

All prefixes of AS9141 →

Geolocation

Country🇵🇱PolandPL

RegionMazovia

CityWarsaw (Wola)

Coordinates52.2357, 20.9795 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/81.18.204.0/22

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/81.18.204.0/22" | jq

External Links

RIPEstat