$ query “AS134351” --type=asn → 1 result(s)
AS134351 — LEASEWEB-AS-AP
Leaseweb Japan K.K.
AS134351 is a hosting stub network registered to Leaseweb Japan K.K., registered in Japan. The network announces a respectable 21 248 IPv4 addresses. Supports IPv6.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Hosting
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 52 / 47
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 21 248
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇯🇵 JP (26 IPs), 🇺🇸 US (21 IPs), 🇱🇹 LT (17 IPs), 🇳🇱 NL, 🇮🇹 IT
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 21 248 total (0.00%)
Connectivity Summary
- Upstream Providers
- 5 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 5 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #16 144
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (52 total)
- 23.81.40.0/21 (2 048 addresses)
- 23.106.224.0/21 (2 048 addresses)
- 142.91.104.0/21 (2 048 addresses)
- 23.26.44.0/22 (1 024 addresses)
- 173.234.64.0/22 (1 024 addresses)
- 195.40.120.0/22 (1 024 addresses)
- 23.19.52.0/23 (512 addresses)
- 108.165.82.0/23 (512 addresses)
- 108.165.180.0/23 (512 addresses)
- 188.116.6.0/23 (512 addresses)
- 195.40.70.0/23 (512 addresses)
- 195.40.160.0/23 (512 addresses)
- 5.188.222.0/24 (256 addresses)
- 23.26.53.0/24 (256 addresses)
- 23.26.61.0/24 (256 addresses)
- 23.27.14.0/24 (256 addresses)
- 23.27.23.0/24 (256 addresses)
- 23.27.127.0/24 (256 addresses)
- 23.27.243.0/24 (256 addresses)
- 45.147.60.0/24 (256 addresses)
- 46.202.253.0/24 (256 addresses)
- 46.202.255.0/24 (256 addresses)
- 46.203.23.0/24 (256 addresses)
- 46.203.28.0/24 (256 addresses)
- 46.203.45.0/24 (256 addresses)
- 46.203.52.0/24 (256 addresses)
- 50.114.3.0/24 (256 addresses)
- 50.114.92.0/24 (256 addresses)
- 64.79.242.0/24 (256 addresses)
- 108.165.81.0/24 (256 addresses)
- 108.165.87.0/24 (256 addresses)
- 142.111.34.0/24 (256 addresses)
- 142.111.67.0/24 (256 addresses)
- 142.111.141.0/24 (256 addresses)
- 142.111.155.0/24 (256 addresses)
- 142.111.208.0/24 (256 addresses)
- 166.88.149.0/24 (256 addresses)
- 194.127.177.0/24 (256 addresses)
- 194.127.181.0/24 (256 addresses)
- 194.127.183.0/24 (256 addresses)
- 194.127.194.0/24 (256 addresses)
- 195.40.5.0/24 (256 addresses)
- 195.40.12.0/24 (256 addresses)
- 195.172.150.0/24 (256 addresses)
- 195.172.211.0/24 (256 addresses)
- 195.206.110.0/24 (256 addresses)
- 204.217.210.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2401:d560::/32
- 2001:df3:2680::/48