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CIDR
/21 · 2.0K IPs
ASN
BIT BV
Reverse DNS
web0102.theory7.net
Last scanned 2 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)
web0102.theory7.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-19 20:45 UTC
Forward DNS last checked
2026-09-19 02:20 UTC

Forward DNS records for web0102.theory7.net

TypeValuePriorityTTL
A 213.154.231.202 3600s
AAAA 2001:7b8:618:a:213:154:231:202 172800s
MX mail.web0102.theory7.net 10
TXT v=spf1 include:filter.theory7.net -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 213.154.231.202

CIDR range
213.154.224.0/21
IP range (int)
3,583,696,896 — 3,583,698,943
Prefix length
/21
Organization
BIT BV
ASN
AS12859
ASN name
BIT BV
Location
Duiven, Gelderland, The Netherlands
Coordinates
51.939400, 6.004600
Accuracy radius
5 km
Postal code
6922
Regional Internet Registry
RIPE
Allocated
2003-01-29
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-19 05:26:02

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

Announced prefix
Origin AS
Announcement samples
21,623
Last seen
2026-09-19 19:59:48

Frequently Asked Questions

Who owns 213.154.231.202?

213.154.231.202 is allocated to BIT BV (AS12859), registered in Duiven, The Netherlands.

Where is 213.154.231.202 located?

The geolocation for 213.154.231.202 maps to Duiven, The Netherlands 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 213.154.231.202 on?

213.154.231.202 belongs to the 213.154.224.0/21 network block announced by AS12859. This range contains 2,048 addresses.

Does 213.154.231.202 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: 2026-09-19 22:53:56 UTC
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