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CIDR
/22 · 1.0K IPs
ASN
iCastCenter
Reverse DNS
geraldhjohnson.com
Last scanned 15 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.

78/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
geraldhjohnson.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-10-14 05:29 UTC

Forward DNS records for geraldhjohnson.com

TypeValuePriorityTTL
A 13.248.213.45 — 600s
A 76.223.67.189 — 600s
NS ns29.domaincontrol.com — —
NS ns30.domaincontrol.com — —
TXT v=spf1 ip4:161.248.30.232 ip4:45.239.216.170 -all — —
TXT v=spf1 ip4:38.7.199.246 ip4:38.7.216.159 ip4:38.7.216.161 ip4:38.7.216.240 ip4:38.7.216.253 ip4:51.178.71.160/30 ip4:63.143.63.66 ip4:66.186.37.232 ip4:66.186.37.224/27 ip4:82.29.53.181 ip4:82.29.53.189 ip4:82.29.53.195 ip4:82.29.53.197 ip4:82.29.53.201 ip4:103.92.118.147 ip4:178.162.234.203 ip4:178.162.234.218/31 ip4:178.162.234.221 ip4:193.70.17.16/30 ip4:198.49.68.133 ip4:216.75.11.66 -all — —
TXT v=spf1 ip4:5.196.188.251 ip4:5.196.188.254 ip4:38.7.199.246 ip4:38.7.216.161 ip4:45.112.192.111 ip4:46.243.3.229 ip4:64.15.145.19 ip4:66.186.37.240 ip4:82.29.53.181 ip4:82.29.53.189 ip4:82.29.53.195 ip4:82.29.53.201 ip4:160.191.53.200/29 ip4:193.70.17.16/30 ip4:194.238.56.114/31 -all — —
TXT v=spf1 ip4:82.29.53.181 ip4:82.29.53.189 ip4:82.29.53.195 ip4:82.29.53.197 ip4:82.29.53.201 ip4:107.161.190.200 ip4:107.161.190.192/27 ip4:148.135.108.64/29 ip4:160.191.53.200 ip4:160.191.53.204 -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.

Domains hosted

as of 2026-10-11 UTC

0

issued.live saw no domain resolving to this IP in its latest weekly snapshot.

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

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. geraldhjohnson.com stable — Jun 1, 2026 → present 1 brief no-PTR dropout

Network Allocation for 104.36.21.186

CIDR range
104.36.20.0/22
IP range (int)
1,747,194,880 — 1,747,195,903
Prefix length
/22
Organization
iCastCenter
ASN
AS53767
ASN name
iCastCenter
Location
Phoenix, Arizona, United States
Coordinates
33.378900, -112.026000
Accuracy radius
20 km
Postal code
85042
Regional Internet Registry
ARIN
Allocated
2014-05-21
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-14 08:46:03

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

Announced prefix
Origin AS
Announcement samples
61,052
Last seen
2026-10-14 20:52:08

Frequently Asked Questions

Who owns 104.36.21.186?

104.36.21.186 is allocated to iCastCenter (AS53767), registered in Phoenix, United States.

Where is 104.36.21.186 located?

The geolocation for 104.36.21.186 maps to Phoenix, 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 104.36.21.186 on?

104.36.21.186 belongs to the 104.36.20.0/22 network block announced by AS53767. This range contains 1,024 addresses.

Does 104.36.21.186 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: 2026-10-14 13:19:19 UTC
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