256 routable1 ASes
/24 subnet
23.131.136.0/24
Where this /24 is, who announces it, and what our databases hold in it, then each of its 256 addresses, every one with its own page.
256
routable addresses
256
geolocated
1
country
1
announcing AS
1
announced prefix
0
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- Japan256 · 100.00%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS2497Internet Initiative Japan Inc.256 · 100.00%
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- SSH IP2911.33%
- None here
- None here
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 23.131.136.0/24 | AS2497Internet Initiative Japan Inc. | Japan | valid | 16 | 2026-10-02 |
Every address
23.131.136.023.131.136.123.131.136.223.131.136.323.131.136.423.131.136.523.131.136.623.131.136.723.131.136.823.131.136.923.131.136.1023.131.136.1123.131.136.1223.131.136.1323.131.136.1423.131.136.1523.131.136.1623.131.136.1723.131.136.1823.131.136.1923.131.136.2023.131.136.2123.131.136.2223.131.136.2323.131.136.2423.131.136.2523.131.136.2623.131.136.2723.131.136.2823.131.136.2923.131.136.3023.131.136.3123.131.136.3223.131.136.3323.131.136.3423.131.136.3523.131.136.3623.131.136.3723.131.136.3823.131.136.3923.131.136.4023.131.136.4123.131.136.4223.131.136.4323.131.136.4423.131.136.4523.131.136.4623.131.136.4723.131.136.4823.131.136.4923.131.136.5023.131.136.5123.131.136.5223.131.136.5323.131.136.5423.131.136.5523.131.136.5623.131.136.5723.131.136.5823.131.136.5923.131.136.6023.131.136.6123.131.136.6223.131.136.6323.131.136.6423.131.136.6523.131.136.6623.131.136.6723.131.136.6823.131.136.6923.131.136.7023.131.136.7123.131.136.7223.131.136.7323.131.136.7423.131.136.7523.131.136.7623.131.136.7723.131.136.7823.131.136.7923.131.136.8023.131.136.8123.131.136.8223.131.136.8323.131.136.8423.131.136.8523.131.136.8623.131.136.8723.131.136.8823.131.136.8923.131.136.9023.131.136.9123.131.136.9223.131.136.9323.131.136.9423.131.136.9523.131.136.9623.131.136.9723.131.136.9823.131.136.9923.131.136.10023.131.136.10123.131.136.10223.131.136.10323.131.136.10423.131.136.10523.131.136.10623.131.136.10723.131.136.10823.131.136.10923.131.136.11023.131.136.11123.131.136.11223.131.136.11323.131.136.11423.131.136.11523.131.136.11623.131.136.11723.131.136.11823.131.136.11923.131.136.12023.131.136.12123.131.136.12223.131.136.12323.131.136.12423.131.136.12523.131.136.12623.131.136.12723.131.136.12823.131.136.12923.131.136.13023.131.136.13123.131.136.13223.131.136.13323.131.136.13423.131.136.13523.131.136.13623.131.136.13723.131.136.13823.131.136.13923.131.136.14023.131.136.14123.131.136.14223.131.136.14323.131.136.14423.131.136.14523.131.136.14623.131.136.14723.131.136.14823.131.136.14923.131.136.15023.131.136.15123.131.136.15223.131.136.15323.131.136.15423.131.136.15523.131.136.15623.131.136.15723.131.136.15823.131.136.15923.131.136.16023.131.136.16123.131.136.16223.131.136.16323.131.136.16423.131.136.16523.131.136.16623.131.136.16723.131.136.16823.131.136.16923.131.136.17023.131.136.17123.131.136.17223.131.136.17323.131.136.17423.131.136.17523.131.136.17623.131.136.17723.131.136.17823.131.136.17923.131.136.18023.131.136.18123.131.136.18223.131.136.18323.131.136.18423.131.136.18523.131.136.18623.131.136.18723.131.136.18823.131.136.18923.131.136.19023.131.136.19123.131.136.19223.131.136.19323.131.136.19423.131.136.19523.131.136.19623.131.136.19723.131.136.19823.131.136.19923.131.136.20023.131.136.20123.131.136.20223.131.136.20323.131.136.20423.131.136.20523.131.136.20623.131.136.20723.131.136.20823.131.136.20923.131.136.21023.131.136.21123.131.136.21223.131.136.21323.131.136.21423.131.136.21523.131.136.21623.131.136.21723.131.136.21823.131.136.21923.131.136.22023.131.136.22123.131.136.22223.131.136.22323.131.136.22423.131.136.22523.131.136.22623.131.136.22723.131.136.22823.131.136.22923.131.136.23023.131.136.23123.131.136.23223.131.136.23323.131.136.23423.131.136.23523.131.136.23623.131.136.23723.131.136.23823.131.136.23923.131.136.24023.131.136.24123.131.136.24223.131.136.24323.131.136.24423.131.136.24523.131.136.24623.131.136.24723.131.136.24823.131.136.24923.131.136.25023.131.136.25123.131.136.25223.131.136.25323.131.136.25423.131.136.255
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