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CIDR
/22 · 1.0K IPs
ASN
MailChimp
Reverse DNS
mailserver1.mail.singleops.com
Last scanned 14 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mailserver1.mail.singleops.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-15 05:58 UTC

Forward DNS records for mailserver1.mail.singleops.com

TypeValuePriorityTTL
A 198.2.136.140 171921s
TXT atlassian-domain-verification=8XQAmGb3aDPNgkVPqIjIXlBicc0npUeIFdl89VIuHCdhpdJxS7ZaUzsQStN4mlLv
TXT intacct-esk=10FBEF7055EF88D8E06399068D0AACD9
TXT lovable_verification=I0n3TGXs0NFaKo6iMtzJ
TXT pendo-domain-verification=L3cUKE1CavEunGy4e5qR6M8kr1A
TXT stripe-verification=82F96CFD062EB961F4BF5D6D26EFFB81C92E5D71319E97CE77971BD93CE300A5
TXT twilio-domain-verification=06a5ee2d4f7cca2344c95353fe914fb0
TXT v=spf1 include:_s25675495.fdmarc.net ~all
TXT zapier-domain-verification-challenge=435b34f1-2cef-4fca-8da2-a6527240bc82
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 198.2.136.140

CIDR range
198.2.136.0/22
IP range (int)
3,322,054,656 — 3,322,055,679
Prefix length
/22
Organization
MailChimp
ASN
AS14782
ASN name
MailChimp
Location
United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Regional Internet Registry
ARIN
Allocated
2013-04-17
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-08-04 04:25:24

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

Announced prefix
Origin AS
Announcement samples
13,457
Last seen
2026-09-15 19:17:04

Frequently Asked Questions

Who owns 198.2.136.140?

198.2.136.140 is allocated to MailChimp (AS14782), registered in United States.

Where is 198.2.136.140 located?

The geolocation for 198.2.136.140 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 198.2.136.140 on?

198.2.136.140 belongs to the 198.2.136.0/22 network block announced by AS14782. This range contains 1,024 addresses.

Does 198.2.136.140 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: 2026-09-15 20:36:43 UTC
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