CORELINK JAPAN
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 12 · 2,304 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2a0a:2842:15::/48) |
| Registered in | China (6) · Canada (1) · United States (1) |
| Record ID | 242055766 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.21.143.0/24 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 103.81.184.0/24 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 103.81.186.0/24 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 185.192.56.0/24 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 185.192.56.0/23 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 185.192.58.0/23 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 185.192.59.0/24 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 194.61.236.0/23 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 2a0a:2842:15::/48 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 2a0a:2842:416::/48 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 2a0a:2842:f853::/48 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
| 2a0a:2845:d647::/48 | CORELINK JAPAN | BGP | ANNOUNCED | ● high |
IPv6 ranges (4)
Footprint over time
12 weekly snapshots · JSON
12
-3 netblocks since 2026-07-05
2026-07-05
peak 15
2026-09-13
Network trust
what's this?
RPKI hygiene: C
how networks compare →
58.3%
of checked blocks have valid RPKI ROA coverage
(7 of 12)
Possible discrepancies (4)
These blocks are registered to CORELINK JAPAN but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 185.192.56.0/23 /23 | authorized for AS17767 — Shijiazhuang Xuding Technology Co., Ltd |
| 185.192.58.0/23 /23 | authorized for AS396982 — Google LLC |
| 103.81.184.0/24 /24 | authorized for AS31898 — Oracle Corporation |
| 103.81.186.0/24 /24 | authorized for AS45102 — Hangzhou Alibaba Advertising Co.,Ltd. |
NIC Handles
ACRO15909-RIPE
ACRO16462-RIPE
AS136796
CLE-NTWK
CLE-TEMP
MA20164-RIPE