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CIDR Range

207.135.128.0/17

32.8K IPs /17 United States ARIN
Addresses
32,768
32.8K
Sub-ranges
50+
within this block
PTR Density
60.8%
19.9K of 32.8K 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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 207.135.128.0/17

First and last addresses in 207.135.128.0/17

207.135.128.0/17 runs from 207.135.128.0 to 207.135.255.255.

First 16
Last 16

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 207.135.128.0/17?

207.135.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 207.135.128.0 to 207.135.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 207.135.128.0/17 network?

The 207.135.128.0/17 range is allocated to an unknown organization from United States.

Last updated: 2026-11-06 06:39:05 UTC
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