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IPv4 Address

173.45.242.136

CIDR
/21 · 2.0K IPs
ASN
Rackspace Hosting
Reverse DNS
dailysource.org
Last scanned 19 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
dailysource.org
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
300 s
Reverse DNS last checked
2026-09-23 15:55 UTC

Forward DNS records for dailysource.org

TypeValuePriorityTTL
A 15.197.225.128 172800s
A 3.33.251.168 172800s
MX alt1.aspmx.l.google.com 5
MX alt2.aspmx.l.google.com 5
MX aspmx.l.google.com 1
MX aspmx2.googlemail.com 10
MX aspmx3.googlemail.com 10
MX aspmx4.googlemail.com 10
MX aspmx5.googlemail.com 10
NS ns25.domaincontrol.com
NS ns26.domaincontrol.com
TXT brevo-code:3415b886b3578fa15c9890efc4e9c1dd
TXT v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
TXT v=spf1 include:_spf.google.com ~all
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.

Network Allocation for 173.45.242.136

CIDR range
173.45.240.0/21
IP range (int)
2,905,468,928 — 2,905,470,975
Prefix length
/21
Organization
Rackspace Hosting
ASN
AS19994
ASN name
Rackspace Hosting
Location
United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Regional Internet Registry
ARIN
Allocated
2008-10-13
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-10 00:20:27

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

Announced prefix
Origin AS
Announcement samples
28,365
Last seen
2026-09-23 16:38:11

Frequently Asked Questions

Who owns 173.45.242.136?

173.45.242.136 is allocated to Rackspace Hosting (AS19994), registered in United States.

Where is 173.45.242.136 located?

The geolocation for 173.45.242.136 maps to United States 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 173.45.242.136 on?

173.45.242.136 belongs to the 173.45.240.0/21 network block announced by AS19994. This range contains 2,048 addresses.

Does 173.45.242.136 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: 2026-09-23 00:12:10 UTC
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