Renaissance Technologies Corp.
Cluster stats
| Netblocks | 18 |
| All fragments | 56 blocks across 19 clusters |
| Cluster ID | 191605665 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 19 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
18
0 netblocks since 2026-07-05
2026-07-05
peak 18
2026-07-06
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.251.100.0/22 | Renaissance Technologies P. Ltd. | BGP | ANNOUNCED | ● high |
| 203.131.121.184/29 | RENAISSANCE-PH | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 210.11.138.152/30 | RENAISSANCE-CC-AU | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 216.223.240.0/22 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.240.0/20 | Renaissance Technologies Corp. | ARIN | ● high | |
| 216.223.240.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.242.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.243.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.244.0/22 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.244.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.246.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.247.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.252.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.253.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 216.223.254.0/24 | Renaissance Technologies Corp. | BGP | ANNOUNCED | ● high |
| 27.254.9.0/25 | renaissance-TH | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 58.137.131.144/29 | renaissance-TH | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 203.172.126.0/24 | renaissance-TH | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
22.2%
of checked blocks have valid RPKI ROA coverage
(4 of 18)
Possible discrepancies (1)
These blocks are registered to Renaissance Technologies Corp. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 203.172.126.0/24 /24 | authorized for AS4750 — CS Loxinfo Public Company Limited |
NIC Handles
AC1613-AP
AE135-AP
AS132943
AS22077
JG196-AP
JG196-AP
LIA1-AP
LIA1-AP
LOXINFO-IS
MAINT-AU-AAPT
MAINT-IN-IRINN
MAINT-PH-EPLDT
+7 more