103.209.100.0/24

🇯🇵

IPv4APNICassignedNo ROA

CIDR

103.209.100.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Koto-ku (Tōyō)

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
103.209.100.0/22	AS63916IPTELECOM-AS-AP - IPTELECOM Global	No ROA	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
103.209.100.0/24	AS55799	/24	apnic
103.209.100.0/24	AS63916	/24	apnic
103.209.100.0/24	AS134520	/24	apnic

Origin	Registry	Maintainer	Modified
AS55799	APNIC	MAINT-HK-TECHAVENUE	8/28/2020
AS63916	APNIC	MAINT-HK-TECHAVENUE	8/28/2020
AS134520	APNIC	MAINT-HK-TECHAVENUE	5/19/2020
AS55799	RADB	MAINT-AS63916	11/13/2023
AS63916	RADB	MAINT-AS63916	11/13/2023
AS134520	RADB	MAINT-AS63916	11/13/2023

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityKoto-ku (Tōyō)

API

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

curl -s "https://api.ipctl.io/v1/prefix/103.209.100.0/24" | jq

External Links