Home ASN LookupAS137508

AS137508 JP-RAINBOW-20180312 Toko Communications Co., Ltd.

🇯🇵

Org handle: ORG-RNL32-RIPE

YOU Broadband & Cable Japan Ltd.

RIPE NCCallocated

Announced Prefixes (BGP)

0total

0 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)512

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇯🇵 JP

RIR

RIPE NCC

Status

allocated

Allocated

2018-03-12

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
195.78.48.0/23	🇯🇵 JP	RIPENCC	allocated

BGP Neighbours

(seen in AS paths)

Downstreams (1)

Networks whose own prefixes AS137508 passes on: usually its customers.

AS55933Cloudie Limited1

Other adjacent networks (1)

Adjacent to AS137508 in the transit part of AS paths: peers, providers or customers.

AS10099China Unicom Global1

Transfer History

Registry transfers of AS137508 between organisations.

AS137508inter-RIRTransfer · 2026-05-05
Rainbow Network Limited
🇯🇵 JP APNIC
→
rainbow network corporation limited
🇯🇵 JP RIPE NCC
AS137508Transfer · 2022-11-23
Oriental Star Network Limited
🇭🇰 HK APNIC
→
Rainbow Network Limited
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2026-05-05	AS137508inter-RIR	Rainbow Network Limited 🇯🇵 JP APNIC	rainbow network corporation limited 🇯🇵 JP RIPE NCC	Transfer
2022-11-23	AS137508	Oriental Star Network Limited 🇭🇰 HK APNIC	Rainbow Network Limited 🇯🇵 JP APNIC	Transfer

ASPA

No ASPA

Abuse Contact

External Links

RIPE 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 AS137508 should publish an ASPA object
IPv4 transfers in the RIPE NCC 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/137508

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

curl -s "https://api.ipctl.io/v1/asn/137508" | jq