AS7667 KDDLAB - KDDI Research, Inc.
Announced Prefixes (BGP)
5total
2 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)1,280
IPv6 Addresses
Allocated (RIR)3.8×10²⁶
Announced (BGP)3.8×10²⁶
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
10
Allocated
-
Routing hygiene
Score 50/100 · High riskRPKI ROA coverage
40%
no RPKI invalid prefixes
IRR route objects
20%
1 prefix registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- 60% of announced prefixes (3 of 5) have no valid ROA
- 80% of announced prefixes (4 of 5) have no IRR route object for this ASN
- 1 prefix registered in IRR route objects for another active network and not authorized by a ROA
- Only one upstream seen in the AS paths of its routes
Based on 5 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)5|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| Valid | APNIC | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 |
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 192.26.91.0/24 | 🇯🇵 JP | APNIC | assigned |
| 2001:200:600::/40 | 🇯🇵 JP | APNIC | assigned |
| 2001:de1::/42 | 🇯🇵 JP | APNIC | assigned |
| 2001:df0:95::/48 | 🇯🇵 JP | APNIC | assigned |
All 5 announced prefixes of AS7667 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS7667 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2516KDDI CORPORATION5
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 AS7667 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/7667Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/7667" | jq