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CIDR
/18 · 16.4K IPs
ASN
IDC Frontier Inc.
Reverse DNS
sv203183200205.e-pos.link
Last scanned 13 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.

86/100
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)
sv203183200205.e-pos.link
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
38400 s
Reverse DNS last checked
2026-09-10 18:53 UTC
Forward DNS last checked
2026-09-10 05:43 UTC

Forward DNS records for sv203183200205.e-pos.link

TypeValuePriorityTTL
A 203.183.200.205 172800s
MX sv203183200205.e-pos.link 10
TXT v=spf1 a mx ~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 203.183.200.205

CIDR range
203.183.192.0/18
IP range (int)
3,417,817,088 — 3,417,833,471
Prefix length
/18
Organization
IDC Frontier Inc.
ASN
AS4694
ASN name
IDC Frontier Inc.
Location
Japan
Coordinates
35.690000, 139.690000
Accuracy radius
500 km
Regional Internet Registry
APNIC
Allocated
1996-04-11
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-09 00:21:20

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

Announced prefix
Origin AS
Announcement samples
14,979
Last seen
2026-09-10 18:08:10

Frequently Asked Questions

Who owns 203.183.200.205?

203.183.200.205 is allocated to IDC Frontier Inc. (AS4694), registered in Japan.

Where is 203.183.200.205 located?

The geolocation for 203.183.200.205 maps to Japan 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 203.183.200.205 on?

203.183.200.205 belongs to the 203.183.192.0/18 network block announced by AS4694. This range contains 16,384 addresses.

Does 203.183.200.205 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: 2026-09-10 17:43:58 UTC
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