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CIDR
/22 · 1.0K IPs
ASN
BIGLOBE Inc.
Reverse DNS
ip1a0136.osk.mesh.ad.jp
Last scanned 7 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)
ip1a0136.osk.mesh.ad.jp
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-28 18:04 UTC
Forward DNS last checked
2026-07-28 18:04 UTC
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 211.13.24.136

CIDR range
211.13.24.0/22
IP range (int)
3,540,850,688 — 3,540,851,711
Prefix length
/22
Organization
BIGLOBE Inc.
ASN
AS2518
ASN name
BIGLOBE Inc.
Location
Chikuma, Nagano, Japan
Coordinates
36.502400, 138.121800
Accuracy radius
100 km
Postal code
387-0021
Regional Internet Registry
APNIC
Allocated
1999-11-22
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-08 00:22:18

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

Announced prefix
Origin AS
Announcement samples
5,590
Last seen
2026-07-29 00:57:06

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation JP

See the full history for 211.0.0.0/12.

Frequently Asked Questions

Who owns 211.13.24.136?

211.13.24.136 is allocated to BIGLOBE Inc. (AS2518), registered in Chikuma, Japan.

Where is 211.13.24.136 located?

The geolocation for 211.13.24.136 maps to Chikuma, 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 211.13.24.136 on?

211.13.24.136 belongs to the 211.13.24.0/22 network block announced by AS2518. This range contains 1,024 addresses.

Does 211.13.24.136 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: 2026-07-29 01:39:43 UTC
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