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.
- Baseline (neutral) 65
- Long-established allocation (16y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 199.19.140.0/23
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 199.19.140.0/24 | 256 | Scholastic Inc. | AS29811 | US |
| 199.19.140.0/24 | 256 | Scholastic Inc. | AS29811 | US |
| 199.19.140.0/24 | 256 | Scholastic Inc. | AS29811 | US |
| 199.19.140.0/24 | 256 | Scholastic Inc. | AS29811 | CA |
| 199.19.141.0/24 | 256 | Scholastic Inc. | AS10717 | US |
| 199.19.141.0/24 | 256 | Scholastic Inc. | AS10717 | US |
| 199.19.141.0/24 | 256 | Scholastic Inc. | AS29811 | US |
| 199.19.141.0/24 | 256 | Scholastic Inc. | AS29811 | US |
Geolocation
First 256 of 512 IP addresses in 199.19.140.0/23
Frequently Asked Questions
What is 199.19.140.0/23?
199.19.140.0/23 is a CIDR network block containing 512 IPv4 addresses (from 199.19.140.0 to 199.19.141.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 199.19.140.0/23 network?
The 199.19.140.0/23 range is allocated to Scholastic Inc. and announced via AS29811 from United States.