Skip to main content
CIDR
/20 · 4.1K IPs
ASN
Future Spirits Co.,Ltd.
Reverse DNS
sophia.ac.jp
Last scanned 53 days 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.

69/100
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)
sophia.ac.jp
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
600 s
Reverse DNS last checked
2026-08-01 23:34 UTC
Forward DNS last checked
2026-08-01 23:34 UTC

Forward DNS records for sophia.ac.jp

TypeValuePriorityTTL
MX sophia-ac-jp.mail.protection.outlook.com 0
NS dns-x.sinet.ad.jp
NS ns1.sophia.ac.jp
NS ns2.sophia.ac.jp
TXT MS=0B53CD0C4C26846A7ACCF045E6B5F88BE5420333
TXT MS=ms10944224
TXT ZOOM_verify_sJVsi1ObR8G1Ne1qCyHjvw
TXT _globalsign-domain-verification=JDAWCu0RIi8oWRggikpV4wQIpUOad6bEGK6Qzm3h9S
TXT _globalsign-domain-verification=hjoWNtE3ozpC9T8jQLinX0-shlGsh2O-GUXuEbCwQa
TXT _globalsign-domain-verification=o-9nN7J5GSgRGPuwKENtqafUpC2CxOxukHBQZ1S7e-
TXT google-site-verification=kojoQ6XPSSzSPzrr09fUv5ua3rgy8cEULm2FCl77gWo
TXT google-site-verification=vdtZ-Ew26YgDzFU9Csd3Gv6mA3T2WiBCgXTsDm0fk8I
TXT v=DMARC1; p=none; rua=mailto:dmarc@ml.sophia.ac.jp; ruf=mailto:dmarc@ml.sophia.ac.jp
TXT v=spf1 ip4:133.12.183.37 ip4:133.12.74.37 include:spf.protection.outlook.com include:_bcspf4n.guardianwall.jp include:ap.rp.oracleemaildelivery.com exists:%{i}.spf.besender.jp -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 219.99.164.153

CIDR range
219.99.160.0/20
IP range (int)
3,680,739,328 — 3,680,743,423
Prefix length
/20
Organization
Future Spirits Co.,Ltd.
ASN
AS23824
ASN name
Future Spirits Co.,Ltd.
Location
Japan
Coordinates
35.690000, 139.690000
Accuracy radius
500 km
Regional Internet Registry
APNIC
Allocated
2002-03-07
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-09 06:22:18

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

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
11,111
Last seen
2026-09-24 13:39:22

Frequently Asked Questions

Who owns 219.99.164.153?

219.99.164.153 is allocated to Future Spirits Co.,Ltd. (AS23824), registered in Japan.

Where is 219.99.164.153 located?

The geolocation for 219.99.164.153 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 219.99.164.153 on?

219.99.164.153 belongs to the 219.99.160.0/20 network block announced by AS23824. This range contains 4,096 addresses.

Does 219.99.164.153 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: 2026-09-24 00:47:33 UTC
Share