Addresses
4,096
4.1K
Sub-ranges
17+
within this block
PTR Density
100.0%
4.1K of 4.1K 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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (17y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 188.153.96.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 188.153.104.0/21 | 2.0K | Fastweb | AS30722 | IT |
| 188.153.96.0/22 | 1.0K | Fastweb | AS30722 | IT |
| 188.153.104.0/22 | 1.0K | Fastweb | AS30722 | IT |
| 188.153.100.0/23 | 512 | Fastweb | AS30722 | IT |
| 188.153.108.0/23 | 512 | Fastweb | AS30722 | IT |
| 188.153.110.0/24 | 256 | Fastweb | AS30722 | IT |
| 188.153.103.0/24 | 256 | Fastweb | AS30722 | IT |
| 188.153.111.0/24 | 256 | Fastweb | AS30722 | IT |
| 188.153.102.0/25 | 128 | Fastweb | AS30722 | IT |
| 188.153.102.128/26 | 64 | Fastweb | AS30722 | IT |
| 188.153.102.192/27 | 32 | Fastweb | AS30722 | IT |
| 188.153.102.224/28 | 16 | Fastweb | AS30722 | IT |
| 188.153.102.248/29 | 8 | Fastweb | AS30722 | IT |
| 188.153.102.244/30 | 4 | Fastweb | AS30722 | IT |
| 188.153.102.240/31 | 2 | Fastweb | AS30722 | IT |
| 188.153.102.242/32 | 1 | Fastweb | AS30722 | IT |
| 188.153.102.243/32 | 1 | Fastweb | AS30722 | IT |
First 256 of 4,096 IP addresses in 188.153.96.0/20
188.153.96.0
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+ 3.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Announced prefix
Origin AS
Announcement samples
5,190
Last seen
2026-07-30 11:30:58
Frequently Asked Questions
What is 188.153.96.0/20?
188.153.96.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 188.153.96.0 to 188.153.111.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 188.153.96.0/20 network?
The 188.153.96.0/20 range is allocated to Fastweb and announced via AS30722 from Italy.
Last updated: 2026-07-30 11:55:30 UTC
