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
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 74 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 150.253.220.0/23
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 150.253.220.0/24 | 256 | Cisco Webex LLC | AS13445 | US |
| 150.253.220.0/24 | 256 | Cisco Webex LLC | AS13445 | JP |
| 150.253.221.0/25 | 128 | Cisco Webex LLC | AS13445 | US |
| 150.253.221.0/25 | 128 | Cisco Webex LLC | AS13445 | JP |
| 150.253.221.128/25 | 128 | Cisco Webex LLC | AS13445 | US |
| 150.253.221.128/25 | 128 | Cisco Webex LLC | AS13445 | US |
First 256 of 512 IP addresses in 150.253.220.0/23
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 150.253.220.0/22.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | apnic | arin |
Frequently Asked Questions
What is 150.253.220.0/23?
150.253.220.0/23 is a CIDR network block containing 512 IPv4 addresses (from 150.253.220.0 to 150.253.221.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 150.253.220.0/23 network?
The 150.253.220.0/23 range is allocated to Cisco Webex LLC and announced via AS13445 from Japan.