Home ASN LookupAS24572

AS24572 YAHOO-JP-AS-AP Yahoo Japan

🇯🇵

Org handle: ORG-YJ1-AP

Yahoo Japan

APNICallocated

Announced Prefixes (BGP)

5total

4 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)120,832

Announced (BGP)118,784

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇯🇵 JP

RIR

APNIC

Status

allocated

Allocated

2006-02-27

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
114.110.48.0/20	Valid	APNICOther IRR	2026-10-09
114.111.64.0/18	Valid	APNICOther IRR	2026-10-09
124.83.128.0/17	Valid	Other IRR	2026-10-09
183.79.0.0/16	Valid	APNICOther IRR	2026-10-09
2400:7e00::/32	Valid	APNICOther IRR	2026-10-09

Allocated Prefixes

(RIR)8

Prefix	Country	RIR	Status
45.117.16.0/22	🇯🇵 JP	APNIC	allocated
103.2.72.0/22	🇯🇵 JP	APNIC	allocated
114.110.48.0/20	🇯🇵 JP	APNIC	allocated
114.111.64.0/18	🇯🇵 JP	APNIC	allocated
124.83.128.0/17	🇯🇵 JP	APNIC	allocated
183.79.0.0/16	🇯🇵 JP	APNIC	allocated
2001:df0:15::/48	🇯🇵 JP	APNIC	assigned
2400:7e00::/32	🇯🇵 JP	APNIC	allocated

All 5 announced prefixes of AS24572 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS24572 hands its own prefixes to: transit providers, or peers at an exchange.

AS2497IIJ Internet Initiative Japan3
AS17676GIGAINFRA SoftBank2

Downstreams (1)

Networks whose own prefixes AS24572 passes on: usually its customers.

AS24296YAHOO 2 LY Corporation1

ASPA

No ASPA

External Links

APNIC Whois RIPEstat

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 AS24572 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/24572

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

curl -s "https://api.ipctl.io/v1/asn/24572" | jq