Addresses
32,768
32.8K
Sub-ranges
11+
within this block
PTR Density
84.9%
27.8K of 32.8K 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.
66/100
Moderate
How this score is built
- Baseline (neutral) 65
- Multiple-origin (MOAS) routing anomaly −12
- Long-established allocation (21y) +6
- Has a reverse-DNS (PTR) record +5
- Mobile allocation +2
- Trust score 66 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 201.63.0.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 201.63.0.0/19 | 8.2K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.96.0/19 | 8.2K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.32.0/19 | 8.2K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.0.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.96.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.80.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.64.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.48.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.32.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.16.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
| 201.63.112.0/20 | 4.1K | TELEFONICA BRASIL S.A | AS10429 | BR |
Geolocation
First 256 of 32,768 IP addresses in 201.63.0.0/17
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+ 32.5K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 201.63.0.0/16.
Announced prefix
Announcement samples
4,063
Last seen
2026-07-23 20:43:29
Origins seen: AS10429 · 4,063 AS18881 · 28
Frequently Asked Questions
What is 201.63.0.0/17?
201.63.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 201.63.0.0 to 201.63.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 201.63.0.0/17 network?
The 201.63.0.0/17 range is allocated to TELEFONICA BRASIL S.A and announced via AS10429 from Brazil.
Last updated: 2026-07-23 20:55:31 UTC
