Addresses
2,048
2.0K
Sub-ranges
13+
within this block
PTR Density
100.0%
2.0K of 2.0K IPs have PTR
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
61/100
Moderate
How this score is built
- Baseline (neutral) 65
- Active-threat / abuse risk −12
- Has a reverse-DNS (PTR) record +5
- Established allocation (14y) +3
- Trust score 61 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 37.53.80.0/21
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 37.53.80.0/22 | 1.0K | JSC Ukrtelecom | AS6849 | UA |
| 37.53.86.0/23 | 512 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.0/24 | 256 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.85.0/24 | 256 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.128/25 | 128 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.0/26 | 64 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.96/27 | 32 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.64/28 | 16 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.88/29 | 8 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.84/30 | 4 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.80/31 | 2 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.82/32 | 1 | JSC Ukrtelecom | AS6849 | UA |
| 37.53.84.83/32 | 1 | JSC Ukrtelecom | AS6849 | UA |
Geolocation
First 256 of 2,048 IP addresses in 37.53.80.0/21
37.53.80.0
37.53.80.1
37.53.80.2
37.53.80.3
37.53.80.4
37.53.80.5
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37.53.80.255
+ 1.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 37.52.0.0/14.
Announced prefix
Announcement samples
21,127
Last seen
2026-09-02 07:54:03
Origins seen: AS6877 · 21,127 AS6849 · 801
Frequently Asked Questions
What is 37.53.80.0/21?
37.53.80.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 37.53.80.0 to 37.53.87.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 37.53.80.0/21 network?
The 37.53.80.0/21 range is allocated to JSC Ukrtelecom and announced via AS6849 from Ukraine.
Last updated: 2026-09-02 08:24:06 UTC
