Check-Host.cc

IP Prefix IPv4

168.183.3.0/24

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

Origin AS
AS13335
RPKI
Open IPs
256
last 90 d
Country
US
United States

Routing

Origin AS
Holder
Cloudflare
Prefix Length
/24
Multi-Origin
YES — 2 ASes
Last refresh
2026-07-21 19:59:50

RPKI Validity

Validity
unknown — no ROA covers this prefix
ROA Source

RIR Allocation

Registry
ARIN
Country
US
Status
Allocated
Allocated
1994-05-23
Delegated block
168.183.0.0 + 65,536 addrs

Geographic Announcement

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

Top Open Ports

Port Hosts with this open
1701 34
5801 33
593 33
1214 33
808 32
548 31
50070 29
9090 28
67 28
21 27
981 27
711 27
1100 26
1521 26
119 26

Sample IPs in this Prefix

IP Open ports Last scan
168.183.3.116 65 2026-07-21 22:30:17.000
168.183.3.78 62 2026-07-21 21:21:17.000
168.183.3.6 62 2026-07-21 10:21:05.000
168.183.3.202 61 2026-07-21 21:51:05.000
168.183.3.117 61 2026-07-21 10:29:19.000
168.183.3.91 58 2026-07-21 21:23:48.000
168.183.3.207 58 2026-07-21 17:22:03.000
168.183.3.108 57 2026-07-21 23:41:19.000
168.183.3.30 57 2026-07-21 23:03:14.000
168.183.3.193 57 2026-07-21 18:11:37.000
168.183.3.183 57 2026-07-21 10:43:45.000
168.183.3.37 56 2026-07-21 18:41:11.000
168.183.3.204 56 2026-07-21 18:18:37.000
168.183.3.128 56 2026-07-21 17:53:42.000
168.183.3.122 56 2026-07-21 17:51:11.000
168.183.3.131 56 2026-07-21 17:44:44.000
168.183.3.72 55 2026-07-21 23:44:37.000
168.183.3.151 55 2026-07-21 22:14:01.000
168.183.3.5 55 2026-07-21 19:16:09.000
168.183.3.42 55 2026-07-21 18:40:20.000
168.183.3.107 55 2026-07-21 18:09:29.000
168.183.3.169 55 2026-07-21 13:14:12.000
168.183.3.95 55 2026-07-21 06:22:24.000
168.183.3.3 55 2026-07-21 01:28:48.000
168.183.3.157 54 2026-07-21 22:31:00.000

Cert Subjects in this Prefix

Subject Hosts Last seen
rxnsconnect-ver.changehealthcare.com 1 2026-06-06 09:13:26.791
hcp-apim-dp-prod-eastus.uhg.com 1 2026-05-27 01:03:47.485

Hosted Domains

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.