CIDR Range

199.102.64.0/21

2.0K IPs /21 United States ARIN

Addresses

2,048

2.0K

IP Range

199.102.64.0

→ 199.102.71.255

Sub-ranges

within this block

PTR Density

49.8%

1.0K 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.

70/100

Moderate

How this score is built

Baseline (neutral) 65
Has a reverse-DNS (PTR) record +5
Trust score 70 / 100

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

Ranges inside 199.102.64.0/21

CIDR	IPs	Organization	ASN	Country
199.102.64.0/22	1.0K	SBA Edge, LLC	AS19844	US
199.102.64.0/22	1.0K	SBA Edge, LLC	AS19844	US
199.102.64.0/22	1.0K	—	—	US
199.102.68.0/22	1.0K	ManagedWay	AS53292	US
199.102.68.0/22	1.0K	ManagedWay	AS53292	US
199.102.68.0/22	1.0K	—	—	US

First and last addresses in 199.102.64.0/21

199.102.64.0/21 runs from 199.102.64.0 to 199.102.71.255.

First 16

199.102.64.0 199.102.64.1 199.102.64.2 199.102.64.3 199.102.64.4 199.102.64.5 199.102.64.6 199.102.64.7 199.102.64.8 199.102.64.9 199.102.64.10 199.102.64.11 199.102.64.12 199.102.64.13 199.102.64.14 199.102.64.15

Last 16

199.102.71.240 199.102.71.241 199.102.71.242 199.102.71.243 199.102.71.244 199.102.71.245 199.102.71.246 199.102.71.247 199.102.71.248 199.102.71.249 199.102.71.250 199.102.71.251 199.102.71.252 199.102.71.253 199.102.71.254 199.102.71.255

Frequently Asked Questions

What is 199.102.64.0/21?

199.102.64.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 199.102.64.0 to 199.102.71.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 199.102.64.0/21 network?

The 199.102.64.0/21 range is allocated to an unknown organization from United States.

Last updated: 2026-10-31 00:54:05 UTC