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SCSK Corporation

SCSK Corporation uses 49,932 IPv4 addresses in 153 ranges, and 1 IPv6 range, by the registry records IP Company reads.

scs.co.jp·Japan

49,932
IPv4 addresses
153
IPv4 ranges
1
IPv6 range
0
ASes it operates
1
country

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS4693 CSK-IT MANAGEMENT CORPORATION40,344 · 80.80%
  2. AS17680 SCSK Corporation2,696 · 5.40%
  3. AS2497 Internet Initiative Japan Inc.512 · 1.03%
  4. AS4713 NTT DOCOMO BUSINESS,Inc.416 · 0.83%
  5. AS17676 SoftBank Corp.352 · 0.70%
  6. AS4725 SoftBank Corp.176 · 0.35%
  7. AS17506 ARTERIA Networks Corporation172 · 0.34%
  8. AS17511 OPTAGE Inc.72 · 0.14%
  9. AS2516 KDDI CORPORATION48 · 0.10%
  10. AS8220 COLT Technology Services Group Limited16 · 0.03%
  11. AS2527 Sony Network Communications Inc.8 · 0.02%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. Japan51,200 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

No AS number is registered under its domain.

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
30.1 Mbps
median download
34.1 Mbps
median upload
55
download tests
50
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

first 100 of 154 ranges
RANGEIPV4ORIGIN
210.249.192.96-210.249.220.2557,328AS4693
210.159.102.224-210.159.127.2556,432AS4693
210.166.96.0-210.166.120.2476,392AS4693
203.140.0.0-203.140.21.315,408AS4693
203.179.38.208-203.179.48.2552,608AS4693
211.7.192.0/212,048AS4693
211.7.200.0/212,048
211.7.216.0/212,048
203.179.32.0/221,024AS4693
203.179.36.0/23512AS4693
203.179.38.0/2732AS4693
110.50.24.0/221,024AS17680
110.50.28.0/24256AS17680
110.50.29.0/25128AS17680
203.140.22.0/23512AS4693
203.140.24.0/23512AS4693
203.140.26.0/24256AS4693
210.166.123.192/2664AS4693
210.166.124.0/221,024AS4693
210.159.98.8-210.159.102.471,064AS4693
111.221.60.0/221,024
203.179.51.0/24256AS4693
203.179.52.0/24256AS4693
203.179.53.0/2664AS4693
110.50.30.0/23512AS17680
203.140.28.192-203.140.30.191512AS4693
203.179.62.0/23512AS4693
210.130.176.0/23512AS2497
210.159.96.0/23512AS4693
210.249.222.0/23512AS4693
203.179.53.224/2732AS4693
203.179.54.0/24256AS4693
203.179.55.0/2732AS4693
210.166.121.0/24256AS4693
210.166.122.0/2664AS4693
101.102.250.0/24256AS17676
61.213.53.0/24256AS17680
61.213.54.0/24256AS17680
203.179.59.64-203.179.60.55248AS4693
203.179.56.64/2664AS4693
203.179.56.128/25128AS4693
210.159.102.64/2664AS4693
210.159.102.128/2664AS4693
210.159.102.192/2816AS4693
203.140.21.128/25128AS4693
203.179.50.80/2816AS4693
203.179.50.96/2732AS4693
203.179.50.128/2664AS4693
61.213.52.0/2664AS17680
61.213.52.64/2732AS17680
203.140.21.40-203.140.21.11980AS4693
203.140.30.224/2732AS4693
203.140.31.0/2732AS4693
203.140.31.160/2732AS4693
203.140.31.192/2732AS4693
203.179.50.0/2664AS4693
203.179.57.128/2664AS4693
203.179.61.128/2664AS4693
210.228.186.64/2664AS4725
210.249.192.0/2664AS4693
210.252.139.0/2664AS4725
219.127.149.192/2664AS17676
203.179.55.80/2816AS4693
203.179.55.96/2732AS4693
203.179.55.128/298AS4693
203.179.38.144/2816AS4693
203.179.38.160/2732AS4693
210.249.221.32/2732AS4693
210.249.221.64/2816AS4693
203.179.58.176/2816AS4693
203.179.58.192/2816AS4693
203.179.58.208/298AS4693
61.213.55.160/2732AS17680
61.213.55.192/298AS17680
124.211.44.0/2732AS2516
153.143.177.160/2732AS4713
203.179.49.192/2732AS4693
203.179.49.96/2732AS4693
203.179.55.144/2816AS4693
203.179.55.160/2816AS4693
203.179.56.32/2732AS4693
203.179.57.224/2732AS4693
210.228.138.192/2732AS4725
210.249.221.96/2732AS4693
61.213.52.112/2816AS17680
61.213.52.128/2816AS17680
61.213.55.32/2732AS17680
203.179.49.64/2816AS4693
203.179.49.80/298AS4693
61.213.55.232/298AS17680
61.213.55.240/2816AS17680
113.37.63.32/2816AS17506
113.37.63.64/2816AS17506
118.103.47.80/2816AS17676
153.139.251.0/2816AS4713
153.246.107.80/2816AS4713
153.246.52.40/298AS4713
153.246.52.48/298AS4713
180.43.159.16/2816AS4713
203.140.31.112/2816AS4693
203.140.31.72/298AS4693
203.140.31.80/298AS4693
203.140.67.64/2816AS17511
203.179.49.160/2816AS4693
203.179.55.208/2816AS4693
203.179.55.48/2816AS4693
203.179.56.0/2816AS4693
203.179.58.80/2816AS4693
210.169.234.144/2816AS4725
210.249.221.176/2816AS4693
219.164.240.176/2816AS4713
221.246.197.80/2816AS17506
58.5.35.176/2816AS17506
59.190.135.144/2816AS17511
60.56.227.80/2816AS17511
61.127.191.112/2816AS4713
61.208.238.224/2816AS4713
61.213.52.176/2816AS17680
61.213.55.208/2816AS17680
113.38.170.232/298AS17506
113.41.171.0/298AS17506
114.150.71.8/298AS4713
114.156.16.56/298AS4713
114.179.2.48/298AS4713
114.179.38.16/298AS4713
114.179.51.96/298AS4713
118.22.17.32/298AS4713
118.22.9.64/298AS4713
121.80.5.8/298AS17511
122.18.197.144/298AS4713
122.18.200.64/298AS4713
122.216.170.168/298AS17506
122.216.178.192/298AS17506

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. SCSK Corporation48,476 · 97.08%
  2. Sumisho Computer Systems Corporation768 · 1.54%
  3. SCSK Corp424 · 0.85%
  4. SCSK CORPORATION136 · 0.27%
  5. SCSK Corp.40 · 0.08%
  6. SCSK.Corp40 · 0.08%
  7. SCSK16 · 0.03%
  8. SCSK corp.16 · 0.03%
  9. scsk16 · 0.03%
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