Home Prefix Lookup172.120.143.0/24

172.120.143.0/24 - A1TELEKOM AT A1 Telekom Austria (AS8447)

IPv4ARINannouncedAS8447A1TELEKOM-AT A1 Telekom Austria AG RPKI Valid

CIDR

172.120.143.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇦🇹 Austria

City

Vienna

RIR

ARIN

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
172.120.143.0/24	AS8447 A1TELEKOM-AT A1 Telekom Austria AG	Valid	ARINOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
172.120.143.0/24	AS8447	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8447	ARIN	MNT-EGNL-1	2026-05-26
AS8447	Other IRR	MAINT-AS18779	2026-05-30

Origin ASN

AS8447

A1TELEKOM-AT A1 Telekom Austria AG

Related Prefixes

More prefixes of AS8447

All prefixes of AS8447 →

Geolocation

Country🇦🇹AustriaAT

RegionVienna

CityVienna

Coordinates48.2081, 16.3713 ↗

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 ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/172.120.143.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/172.120.143.0/24" | jq

External Links

RIPEstat