Check-Host.cc

IP Prefix IPv4

131.100.36.0/23

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

Origin AS
AS27800
RPKI
Open IPs
32
last 90 d
Country
TT
Trinidad and Tobago

Routing

Origin AS
Holder
Digicel Trinidad and Tobago
Prefix Length
/23
Multi-Origin
No
Last refresh
2026-07-21 19:59:50

RPKI Validity

Validity
unknown — no ROA covers this prefix
ROA Source

RIR Allocation

Registry
LACNIC
Country
TT
Status
Allocated
Allocated
2014-08-13
Delegated block
131.100.36.0 + 1,024 addrs

Geographic Announcement

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

Top Open Ports

Port Hosts with this open
443 2
8080 2
80 1
5001 1
8002 1
8010 1
10443 1

Sample IPs in this Prefix

IP Open ports Last scan
131.100.37.100 3 2026-06-19 06:40:22.000
131.100.37.174 2 2026-07-21 06:44:28.000
131.100.36.116 2 2026-06-21 18:40:29.000
131.100.36.184 2 2026-06-17 15:56:58.000
131.100.36.79 2 2026-06-17 11:15:11.000
131.100.37.53 2 2026-05-27 00:12:44.000
131.100.36.65 1 2026-07-21 03:49:07.000
131.100.37.170 1 2026-07-18 12:18:07.000
131.100.36.13 1 2026-06-23 09:51:44.000
131.100.36.216 1 2026-06-22 21:54:03.000
131.100.37.108 1 2026-06-22 13:35:29.000
131.100.36.51 1 2026-06-22 11:32:30.000
131.100.36.19 1 2026-06-22 05:50:26.000
131.100.37.2 1 2026-06-22 00:57:04.000
131.100.36.246 1 2026-06-21 14:51:32.000
131.100.36.144 1 2026-06-18 14:16:47.000
131.100.36.115 1 2026-06-18 09:28:53.000
131.100.37.156 1 2026-06-17 23:42:11.000
131.100.36.4 1 2026-06-16 14:40:11.000
131.100.36.228 1 2026-06-16 09:19:14.000
131.100.36.14 1 2026-06-15 11:30:22.000
131.100.37.168 1 2026-06-13 10:43:31.000
131.100.37.33 1 2026-06-07 08:19:33.000
131.100.36.28 1 2026-05-31 08:07:19.000
131.100.36.226 1 2026-05-31 07:51:10.000

Cert Subjects in this Prefix

Subject Hosts Last seen
TP-Link 1 2026-07-21 06:45:10.961
UniFi 1 2026-05-27 00:13:40.391

Hosted Domains

Domains that resolve to any address in this prefix — aggregated across the whole subnet. 3 distinct domains seen; top by span shown.

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.