Is IP address 149.72.148.48 dangerous?

149.72.148.48 presents moderate risk with a threat level of 4/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 149.72.148.48?

IP address 149.72.148.48 is operated by SendGrid, Inc. (ASN 11377) and is geolocated to US. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 149.72.148.48?

Blocking 149.72.148.48 is advisable for security-sensitive environments. With a threat level of 4/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 149.72.148.48?

Our threat assessment for 149.72.148.48 has a confidence score of 26%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

149.72.148.48

IPv4 Public

AS11377

SendGrid, Inc.

2 Reports

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United States Location

SendGrid, Inc. ASN 11377

2 Reports

Honeypot Data Source

Cautionary Risk

IP 149.72.148.48 rated 4/10 from 2 security events.

Mixed behavior profile detected. Confidence: 26%.

More threatening than 2% of monitored IPs

Threat Categories

Email Spam 2

Technical Details

Email spam involves mass distribution of unwanted emails, often for advertising, phishing, or malware delivery.

Recommended Mitigations

Implement SPF, DKIM, DMARC, and use reputable email filtering services.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 18. October 2026

Last Activity 18. October 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 11377) with generally good reputation. The ISP SendGrid, Inc. maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Apply balanced security measures based on risk tolerance.

Long-term blocking recommended.

Reputation Summary

Threat Level 4/10 Low

Medium

Activity Frequency 0/10 Inactive

Confidence Score 26% Medium Confidence

Confidence History

10. Sep 2026 - 18. Oct 2026

26% Current

Stable Trend

Date	Categories	Source	Confidence
18. Oct 2026	Email Spam	Honeypot	75%
10. Sep 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 149.72.148.48
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: US
ASN: AS11377
ISP: SendGrid, Inc.

DNS Information

Reverse DNS: o1412.shared.klaviyomail.com
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 2
First Reported: 10 Sep 2026
Last Reported: 18 Oct 2026, 15:00

Comparative Analysis

How this IP compares to others in our threat intelligence database

2 %

Global Threat Ranking

This IP is more threatening than 2% of all IPs in our database.

Low Threat Percentile

Global Comparison

Compared against 1,249,727 reported IPs worldwide

Threat Level 4/10 avg: 6.0 -

Total Reports 2 avg: 7 --

Network Comparison

Compared against 105 IPs in ASN 11377

Threat Level 4/10 network avg: 4.1 =

Total Reports 2 network avg: 2 +

Geographic Comparison

Compared against 193,091 IPs in US

Threat Level 4/10 country avg: 6.6 -

Total Reports 2 country avg: 17 --

Daily report activity over the last 30 days showing patterns and peaks.

Peak Day 18 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Sunday 1 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 3/10

Current Threat 3/10

Distribution of threat categories reported over time.

Top Threat Categories

Email Spam 2

Activity patterns showing when this IP is most active during the day and week.

Hourly Activity

Peak activity at 15:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,139,464 threat incidents tracked globally • Last 24h: 30,789 Logs

FEED

Top Threat Sources

01

Brazil BR

257,038 22.6%
02

United States US THIS IP

193,091 16.9%
03

India IN

97,251 8.5%
04

China CN

48,440 4.3%
05

Argentina AR

41,533 3.6%
06

SC SC

29,357 2.6%
07

Mexico MX

27,006 2.4%
08

Russia RU

25,797 2.3%
09

Colombia CO

23,892 2.1%
10

Germany DE

21,262 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Global Threat Ranking

Top Threat Categories

Hourly Activity

Weekly Activity

FEED

Top Threat Sources

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

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