Addresses
4,096
4.1K
Sub-ranges
7+
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 (16y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 2.45.208.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 2.45.208.0/21 | 2.0K | Fastweb | AS30722 | IT |
| 2.45.220.0/22 | 1.0K | Fastweb | AS30722 | IT |
| 2.45.218.0/23 | 512 | Fastweb | AS30722 | IT |
| 2.45.216.0/24 | 256 | Fastweb | AS30722 | IT |
| 2.45.217.128/25 | 128 | Fastweb | AS30722 | IT |
| 2.45.217.0/26 | 64 | Fastweb | AS30722 | IT |
| 2.45.217.64/26 | 64 | Fastweb | AS30722 | IT |
Geolocation
First 256 of 4,096 IP addresses in 2.45.208.0/20
2.45.208.0
2.45.208.1
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+ 3.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 2.45.192.0/19.
Announced prefix
Origin AS
Announcement samples
4,224
Last seen
2026-07-19 21:25:45
Frequently Asked Questions
What is 2.45.208.0/20?
2.45.208.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 2.45.208.0 to 2.45.223.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 2.45.208.0/20 network?
The 2.45.208.0/20 range is allocated to Fastweb and announced via AS30722 from Italy.
Last updated: 2026-07-19 21:40:32 UTC
