Home ASN LookupAS18259

AS18259 HIGE NTT DOCOMO BUSINESS, Inc

🇯🇵

Org handle: A91A7381

NTT Communications Corporation

APNICallocated

Announced Prefixes (BGP)

8total

6 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)4,096

Announced (BGP)8,960

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇯🇵 JP

RIR

APNIC

Status

allocated

Allocated

2002-07-01

Announced Prefixes

(BGP)8

Prefix	RPKI	IRR	Last Seen
202.178.96.0/20	Valid	APNIC	2026-10-11
202.178.96.0/21	Valid	APNIC	2026-10-11
202.178.104.0/22	Valid	APNIC	2026-10-11
202.178.104.0/24	Valid	APNIC	2026-10-11
202.178.106.0/23	Valid	APNIC	2026-10-11
202.178.108.0/22	Valid	APNIC	2026-10-11
2001:218:2200::/40	Valid	APNIC	2026-10-11
2401:4640::/32	Valid	APNIC	2026-10-11

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
202.178.96.0/20	🇯🇵 JP	APNIC	allocated
2401:4640::/32	🇯🇵 JP	APNIC	allocated

All 8 announced prefixes of AS18259 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS18259 hands its own prefixes to: transit providers, or peers at an exchange.

AS2914NTT America8

Downstreams (1)

Networks whose own prefixes AS18259 passes on: usually its customers.

AS7674GOFORS NTT DOCOMO BUSINESS3

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 AS18259 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/18259

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

curl -s "https://api.ipctl.io/v1/asn/18259" | jq