AS4725 ODN SoftBank Corp.
Announced Prefixes (BGP)
139total
138 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)307,200
Announced (BGP)1.9M
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)139|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
1-10 of 139
1 / 14
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 1.5.0.0/16 | 🇯🇵 JP | APNIC | allocated |
| 143.90.0.0/16 | 🇯🇵 JP | APNIC | allocated |
| 165.76.0.0/17 | 🇯🇵 JP | APNIC | allocated |
| 202.126.224.0/20 | 🇯🇵 JP | APNIC | allocated |
| 202.174.192.0/19 | 🇯🇵 JP | APNIC | allocated |
| 219.66.0.0/15 | 🇯🇵 JP | APNIC | allocated |
| 2001:278::/32 | 🇯🇵 JP | APNIC | assigned |
All 139 announced prefixes of AS4725 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS4725 hands its own prefixes to: transit providers, or peers at an exchange.
- AS17676GIGAINFRA SoftBank145
Downstreams (9)
Networks whose own prefixes AS4725 passes on: usually its customers.
- AS7514MEX Computer Engineering & Consulting22
- AS17505SBMOBILE SoftBank12
- AS23795FURUKAWA Fitec3
- AS59121AKNWS NET Asahi Kasei Networks Corporation3
- AS17509STARNET2
- AS37888HORIBA NET HORIBA1
- AS59116AIGTKK AIG Technologies KK1
- AS131989PFU UMC MS01 PFU LIMITED1
- AS137008OPENTEXT AP JP TOK 1120 Shimokuzawa Chuo Ku Sagamihara Shi Kanagawa Ken1
Other adjacent networks (1)
Adjacent to AS4725 in the transit part of AS paths: peers, providers or customers.
- AS2914NTT America6
ASPA
No ASPA
External Links
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 AS4725 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/4725Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4725" | jq