Check-Host.cc

IP Prefix IPv4

40.233.64.0/18

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Origin AS
AS31898
RPKI
1 ROAs
Open IPs
2,473
last 90 d
Country
CA
Canada

Routing

Origin AS
Holder
Oracle Cloud Infrastructure
Prefix Length
/18
Multi-Origin
No
Last refresh
2026-07-21 19:59:50

RPKI Validity

max-len 24 valid arin

RIR Allocation

Registry
ARIN
Country
US
Status
Allocated
Allocated
2023-02-13
Delegated block
40.233.0.0 + 32,768 addrs

Geographic Announcement

GeoIP attribution from MaxMind GeoLite2 (CC-BY-SA). The starting address of the prefix maps to:
Country Continent Ranges
CA Canada NA 1

Top Open Ports

Port Hosts with this open
22 286
443 131
80 110
111 20
20000 18
25565 16
8080 15
8443 10
3000 9
8000 8
143 6
5432 5
21 5
8081 4
993 4

Sample IPs in this Prefix

IP Open ports Last scan
40.233.64.71 28 2026-06-23 12:13:05.000
40.233.81.184 7 2026-07-21 17:47:28.000
40.233.116.146 6 2026-07-21 06:36:21.000
40.233.110.17 6 2026-06-17 16:07:20.000
40.233.89.195 5 2026-07-21 19:39:03.000
40.233.81.215 5 2026-06-18 12:14:06.000
40.233.121.197 4 2026-07-21 10:09:45.000
40.233.114.8 4 2026-07-20 23:30:06.000
40.233.94.86 4 2026-07-20 23:06:14.000
40.233.85.254 4 2026-07-20 15:01:42.000
40.233.82.40 4 2026-07-20 13:31:48.000
40.233.79.250 4 2026-07-20 06:48:39.000
40.233.80.64 4 2026-07-18 23:44:22.000
40.233.94.255 4 2026-07-18 00:44:26.000
40.233.88.27 4 2026-06-23 16:29:05.000
40.233.68.241 4 2026-06-23 15:25:37.000
40.233.114.229 4 2026-06-21 06:00:47.000
40.233.86.159 3 2026-07-21 22:23:20.000
40.233.95.94 3 2026-07-21 18:26:26.000
40.233.92.107 3 2026-07-21 16:35:38.000
40.233.123.220 3 2026-07-21 11:22:31.000
40.233.97.92 3 2026-07-21 02:59:57.000
40.233.85.54 3 2026-07-20 16:44:05.000
40.233.79.19 3 2026-07-20 15:56:01.000
40.233.97.102 3 2026-07-20 11:30:03.000

Cert Subjects in this Prefix

Subject Hosts Last seen
TRAEFIK DEFAULT CERT 55 2026-07-20 21:40:08.213
CloudFlare Origin Certificate 9 2026-07-20 02:46:08.732
cloudpanel.clp 8 2026-06-13 10:32:41.486
Kubernetes Ingress Controller Fake Certificate 4 2026-07-18 01:24:06.500
*.tssi.ca 3 2026-06-22 01:06:54.838
*.chips.gov.bc.ca 2 2026-07-17 02:16:06.288
*.steelmanageriii.com 2 2026-07-16 20:05:06.328
alert.cybertrack.ca 2 2026-06-23 19:26:44.512
FortiGate 2 2026-06-20 21:26:32.429
*.tikvpn.com 2 2026-05-27 02:59:32.876
auth.erica.eu.org 1 2026-07-21 21:54:07.244
jcaf2.969799.xyz 1 2026-07-21 17:42:08.770
n8nbackend.dpdns.org 1 2026-07-21 14:53:21.350
a-learn.ca 1 2026-07-21 11:44:07.868
hcp.a2ahs.com 1 2026-07-21 06:37:12.495
*.pcms.apps.uwaterloo.ca 1 2026-07-21 02:21:10.436
*.oci.jestais.com 1 2026-07-20 23:59:12.808
accounting.dejavuholidays.ca 1 2026-07-20 23:06:10.631
40.233.99.129 1 2026-07-20 21:25:09.128
*.cec.ocp.oc-test.com 1 2026-07-20 21:17:14.382

History

Prefix-event history pending

Origin AS changes, ROA add/drop events, multi-origin episodes and withdrawals require snapshot-diffing across BGP crawls. The data accumulates as the archive grows — full ReplacingMergeTree compaction makes point-in-time event extraction unavailable for now.