Home Prefix Lookup104.143.203.0/24

104.143.203.0/24 - OnurBilisim Ahmet Onur Guney Trading As Onur Bilisim Ve Yazilim Hizmetleri (AS201021)

IPv4RIPE NCCannouncedAS201021OnurBilisim-AS Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri RPKI Valid

CIDR

104.143.203.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇩🇪 Germany

City

Frankfurt am Main

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
104.143.203.0/24	AS201021 OnurBilisim-AS Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri	Valid	RIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
104.143.203.0/24	AS48678	/24	ripe
104.143.203.0/24	AS201021	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS201021	RIPE	interlir-mnt	2026-08-04
AS48678	RIPE	interlir-mnt	2026-08-04

Transfer History

Registry transfers of 104.143.203.0/24, blocks inside it, or blocks containing it.

104.143.192.0/19inter-RIRTransfer · 2026-05-05
DOJ-USMS
🇺🇸 US ARIN
→
RCS Technologies FZE LLC
🇦🇪 AE RIPE NCC
104.143.192.0/19M&A · 2024-05-08
Micfo, LLC.
🇺🇸 US ARIN
→
U.S. Marshals Service in accordance with the Final Order of Forfeiture
🇺🇸 US ARIN
104.143.192.0/19M&A · 2019-05-23
Telentia
🇺🇸 US ARIN
→
Micfo, LLC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-05-05	104.143.192.0/19inter-RIR	DOJ-USMS 🇺🇸 US ARIN	RCS Technologies FZE LLC 🇦🇪 AE RIPE NCC	Transfer
2024-05-08	104.143.192.0/19	Micfo, LLC. 🇺🇸 US ARIN	U.S. Marshals Service in accordance with the Final Order of Forfeiture 🇺🇸 US ARIN	M&A
2019-05-23	104.143.192.0/19	Telentia 🇺🇸 US ARIN	Micfo, LLC. 🇺🇸 US ARIN	M&A

Origin ASN

AS201021

OnurBilisim-AS Ahmet Onur Guney trading as Onur Bilisim Ve Yazilim Hizmetleri

Related Prefixes

More prefixes of AS201021

All prefixes of AS201021 →

Geolocation

Country🇩🇪GermanyDE

RegionHesse

CityFrankfurt am Main

Coordinates50.1109, 8.6821 ↗

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/104.143.203.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/104.143.203.0/24" | jq

External Links

RIPEstat