AS7257 Oto GKのASN検索結果 — ネットワーク規模・BGPルーティング・登録情報
IPv4 addresses
512
2 announced prefixes
IPv6 addresses
6.33 × 10²⁹
1 announced prefixes
BGP neighbours
…
CAIDA rank
#55,187
Customer cone 1 ASNs
RPKI
0% valid
0 invalid · 3 not covered
Average purity
75
1 sampled IPs
IXPs / facilities
0 / 0
Operator self-reported
Allocated
2026-01-26
RIPE NCC
History
How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.
Loading routing history…
IP ranges
Currently announced prefixes with their RIR registration and geolocation.
| Prefix | RPKI | Registration | Geolocation | Addresses |
|---|---|---|---|---|
| 168.151.54.0/24 | Not found |  MARU-CIDR-BLK-JPRIPE | Yamagata | 256 |
| 208.88.66.0/24 | Not found | MARU-CIDR-BLK-JPRIPE | Japan | 256 |
/24 block profile
One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.
/24s with data 1 / 2 （50%） · flagged 0
Hover a square for its numbers; click to see all 256 addresses.
Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.
IP reputation
IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.
Purity distribution
0.00%
Share of IPv4 reported or blocklisted
0
Listed IPs
1
Analysed IPs
Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.
Geography
Where this network’s IPv4 addresses are located.
- Japan100.0%
- Scope
- Single country
- In registered country
- 100.0%
Estimated by sampling IPv4 ranges against a geolocation database.
入居データセンター
WHOIS record
The registry’s record for this AS number: holder, status, dates and contacts.
Related networks
Other ASNs registered in the same country with the same network type.
Sources
Where the information on this page comes from and when it was updated.
| Information | Source | Updated |
|---|---|---|
| Registered country | RIR daily delegation statistics | 2026-10-22 |
| Registered address & allocation date | RIR registration data (RDAP) | 2026-07-06 |
| Organization & company country | AS-to-organization data | 2026-10-22 |
| Network type | CleanIP ASN canon | 2026-10-20 |
| Exchanges & facilities | Operator self-reported interconnection data | 2026-10-22 |
| Announced prefixes & BGP neighbours | Public BGP routing data | 2026-10-22 |
| IPv4 geography | Geolocation database | — |
| RPKI validation | RPKI ROA validation data | 2026-10-22 |
| Rank & customer cone | CAIDA AS Rank | 2026-10-01 |
| IP reputation | CleanIP lookups and neighbour sampling | — |
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