AS17955 AVISNET Densan Co., Ltd.
Announced Prefixes (BGP)
12total
11 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)16,896
Announced (BGP)43,520
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)12|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 |
1-10 of 12
1 / 2
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.152.138.0/23 | 🇯🇵 JP | APNIC | allocated |
| 120.88.16.0/20 | 🇯🇵 JP | APNIC | allocated |
| 203.223.48.0/20 | 🇯🇵 JP | APNIC | allocated |
| 210.56.160.0/19 | 🇯🇵 JP | APNIC | allocated |
| 2406:8000::/32 | 🇯🇵 JP | APNIC | allocated |
All 12 announced prefixes of AS17955 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS17955 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2497IIJ Internet Initiative Japan12
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 AS17955 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/17955Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/17955" | jq