IPDebrief

143.255.98.136

IP Intelligence Dossier
Your IP: 216.73.216.131

143.255.98.136 is an IPv4 address operated by AS52977 - Sul Online Telecom Ltda - EPP, BR (AS52977), with approximate network location Laguna, Brazil. It belongs to a residential connection. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

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🌍 Geolocation

Country🇧🇷 Brazil
Location scopeApproximate network location. Distributed and anycast services can vary by observation point.
Anycast classificationUnverified (not proof of unicast)
RegionSanta Catarina
CityLaguna
Timezone—
Latitude-28.47
Longitude-48.84

🏢 Ownership & Registration

Registered holderSul Online Telecom Ltda - EPP
ASNAS52977
Network Name268217
CIDR Block143.255.96.0/22
RIRARIN
Network registration countryBR
Routing operatorAS52977 - Sul Online Telecom Ltda - EPP, BR
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)

DNS Posture

Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.

Not assessed: 0 conclusive IP DNS checks.

caaNot checked
spfNot checked
dmarcNot checked
dnssecNot checked
fcrDnsNot checked

☁️ Network Classification

InfrastructureResidential
Service PurposeResidential Endpoint
Network TierEnd-User — Residential ISP endpoint
Residential

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Closed Ports22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned)
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate captured; current certificate unknown
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS52977
Network Prefix143.255.98.0/23
Route mappingFound

📅 Observation Timeline 🔄 Aging

First Seen2026-11-04 09:19:29 UTC
Last Seen2026-11-06 02:27:42 UTC
Profile Built2026-11-13 08:01:47 UTC
Data FreshnessAging
Signal Types17
Total Observations17
🔍 17 signal types · 17 observations collected
This report is generated from 17+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
Full dossier details are available via our API.
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❓ Frequently Asked Questions About 143.255.98.136

Who owns the IP address 143.255.98.136?

143.255.98.136 is registered to Sul Online Telecom Ltda - EPP. The address falls within the 143.255.96.0/22 network block. Registration is held at ARIN.

Where is 143.255.98.136 located?

Geolocation data places 143.255.98.136 in Laguna, Santa Catarina, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.

Is 143.255.98.136 malicious or safe?

143.255.98.136 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.

Is 143.255.98.136 a VPN, proxy, or data center address?

143.255.98.136 is classified as a residential network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Nearby addresses in 143.255.96.0/22

143.255.98.57143.255.98.160143.255.98.187143.255.98.241

Addresses sharing infrastructure

2804:768:4b08:6c00:17a:8ad4:7f01:cd71

Browse related networks

All addresses in AS52977🇧🇷 BrazilNetwork directory

ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.