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WorldIP.io
CIDR
/23 · 512 IPs
ASN
Webcenter Sist Prest de Servicos de Informatica
Reverse DNS
189-91-33-100.connexion.com.br
Last scanned 21 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
189-91-33-100.connexion.com.br
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-11-03 17:41 UTC

Forward DNS records for 189-91-33-100.connexion.com.br

TypeValuePriorityTTL
A 189.91.33.100 — 28800s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Domains hosted

as of 2026-11-03 UTC

0

issued.live's latest DNS data shows no domain resolving to this IP.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Network Allocation for 189.91.33.100

CIDR range
189.91.32.0/23
IP range (int)
3,176,865,792 — 3,176,866,303
Prefix length
/23
Organization
Webcenter Sist Prest de Servicos de Informatica
ASN
AS28203
ASN name
Webcenter Sist Prest de Servicos de Informatica
Location
Brazil
Coordinates
-22.830500, -43.219200
Accuracy radius
1000 km
Regional Internet Registry
LACNIC
Allocated
2008-04-10
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-11-02 08:49:17

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
211,823
Last seen
2026-11-03 18:45:15

Frequently Asked Questions

Who owns 189.91.33.100?

189.91.33.100 is allocated to Webcenter Sist Prest de Servicos de Informatica (AS28203), registered in Brazil.

Where is 189.91.33.100 located?

The geolocation for 189.91.33.100 maps to Brazil based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 189.91.33.100 on?

189.91.33.100 belongs to the 189.91.32.0/23 network block announced by AS28203. This range contains 512 addresses.

Does 189.91.33.100 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-11-03 10:18:07 UTC
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