Autonomous System details
AS2497
Internet Initiative Japan Inc. — iij.ad.jp
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Summary
| Country |
 Japan
|
| Organization | Internet Initiative Japan Inc. |
| Domain | iij.ad.jp |
| Number of IPv4 | 3,844,864 |
| Number of IPv6 | 3.2682× 1029 |
| AS Type | ISP |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | June 03, 2005 (about 20 years ago) |
IP Ranges
AS2497 announces 172 IPv4 ranges and 8 IPv6 ranges.
That's a total of 3,844,864 IPv4 addresses and 3.2682× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 49.239.64.0/18 |
Iij Internet
|
16,384 | JPNIC | |
| 58.138.0.0/17 |
Excite Japan Co., Ltd.
|
32,768 | JPNIC | |
| 58.138.128.0/18 |
Internet Initiative Japan Inc.
|
16,384 | JPNIC | |
| 61.122.224.0/20 |
Kids-way Corporation
|
4,096 | JPNIC | |
| 61.211.96.0/19 |
Hi-ho Inc.
|
8,192 | JPNIC | |
| 101.128.128.0/17 |
Internet Initiative Japan Inc.
|
32,768 | JPNIC | |
| 103.2.57.0/24 |
Iij Internet
|
256 | JPNIC | |
| 103.2.58.0/23 |
Iij Internet
|
512 | JPNIC | |
| 103.5.23.0/24 |
Videx Inc.
|
256 | JPNIC | |
| 113.197.128.0/17 |
Excite Japan Co., Ltd.
|
32,768 | JPNIC | |
| 116.118.192.0/20 |
Internet Initiative Japan Inc.
|
4,096 | JPNIC | |
| 118.151.0.0/17 |
Sigmaline, Inc.
|
32,768 | JPNIC | |
| 118.151.128.0/18 |
Tokyo Electron Ltd.
|
16,384 | JPNIC | |
| 119.10.192.0/18 |
Internet Initiative Japan Inc.
|
16,384 | JPNIC | |
| 121.50.160.0/21 |
Hikari Cable TV Co., LTD
|
2,048 | JPNIC | |
| 121.102.0.0/16 |
Excite Japan Co., Ltd.
|
65,536 | JPNIC | |
| 121.200.200.0/21 |
Internet Initiative Japan Inc.
|
2,048 | JPNIC | |
| 124.41.0.0/17 |
Iij Internet
|
32,768 | JPNIC | |
| 124.41.128.0/18 |
Iij Internet
|
16,384 | JPNIC | |
| 124.147.64.0/18 |
Internet Initiative Japan Inc.
|
16,384 | JPNIC | |
| 125.30.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 129.249.0.0/16 |
Fujifilm Business Innovation Corp. Information & Communication Systems
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 131.248.0.0/16 |
Itochu Techno-solutions Corporation
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 132.179.0.0/16 |
Toppan Holdings Inc.
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.110.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 133.111.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.127.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.137.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 133.142.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 133.159.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 133.173.0.0/17 |
Japan Network Information Center
|
32,768 | APNIC | ALLOCATED PORTABLE |
| 133.173.128.0/17 |
Japan Network Information Center
|
32,768 | APNIC | ALLOCATED PORTABLE |
| 133.183.96.0/21 |
Japan Network Information Center
|
2,048 | APNIC | ALLOCATED PORTABLE |
| 133.183.106.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 133.183.128.0/19 |
Japan Network Information Center
|
8,192 | APNIC | ALLOCATED PORTABLE |
| 133.194.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.215.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.218.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 133.221.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.221.3.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 133.236.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 133.238.8.0/21 |
Iij Internet
|
2,048 | JPNIC | |
| 133.238.16.0/20 |
Iij Internet
|
4,096 | JPNIC | |
| 133.238.32.0/19 |
Iij Internet
|
8,192 | JPNIC | |
| 133.238.128.0/17 |
Iij Internet
|
32,768 | JPNIC | |
| 133.245.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.254.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 133.254.130.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 133.254.131.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 138.107.0.0/16 |
OLYMPUS CORPORATION
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 139.152.0.0/16 |
Tokyo Gas Co., Ltd.
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 139.152.11.0/24 |
Tokyo Gas Co., Ltd.
|
256 | APNIC | ALLOCATED PORTABLE |
| 139.152.13.0/24 |
Tokyo Gas Co., Ltd.
|
256 | APNIC | ALLOCATED PORTABLE |
| 139.152.14.0/24 |
Tokyo Gas Co., Ltd.
|
256 | APNIC | ALLOCATED PORTABLE |
| 139.152.15.0/24 |
Tokyo Gas Co., Ltd.
|
256 | APNIC | ALLOCATED PORTABLE |
| 143.94.0.0/16 |
Fujifilm Business Innovation Corp. Information & Communication Systems
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 143.94.217.0/24 |
Fujifilm Business Innovation Corp. Information & Communication Systems
|
256 | APNIC | ALLOCATED PORTABLE |
| 143.125.0.0/17 |
NTT Innovative Devices Corporation
|
32,768 | JPNIC | |
| 143.125.128.0/18 |
NTT Innovative Devices Corporation
|
16,384 | JPNIC | |
| 143.125.192.0/20 |
NTT Innovative Devices Corporation
|
4,096 | JPNIC | |
| 143.125.208.0/22 |
NTT Innovative Devices Corporation
|
1,024 | JPNIC | |
| 150.23.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 150.31.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 150.61.5.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 150.61.54.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 150.61.55.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 150.87.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 150.90.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 157.65.8.0/21 |
Internet Initiative Japan Inc.
|
2,048 | JPNIC | |
| 157.65.176.0/21 |
Internet Initiative Japan Inc.
|
2,048 | JPNIC | |
| 157.65.192.0/21 |
Internet Initiative Japan Inc.
|
2,048 | JPNIC | |
| 157.67.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 160.13.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 160.17.0.0/16 |
Recruit Co., Ltd.
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 163.49.0.0/16 |
Panasonic Corporation
|
65,536 | JPNIC | |
| 163.55.0.0/16 |
RYOBI LIMITED
|
65,536 | APNIC | ALLOCATED PORTABLE |
| 163.140.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 163.218.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 167.169.0.0/16 |
NIPPON TELEVISION NETWORK CORPORATION
|
65,536 | APNIC | ASSIGNED PORTABLE |
| 172.122.0.0/15 |
Iij Internet
|
131,072 | JPNIC | |
| 182.54.240.0/22 |
Smartinsight Inc.
|
1,024 | JPNIC | |
| 192.47.161.0/24 |
NTT Internet Inc., Tokyo, Japan.
|
256 | JPNIC | |
| 192.50.252.0/23 |
Fukuoka Broadcasting Corp
|
512 | JPNIC | |
| 192.70.131.0/24 |
 Iij America Inc.
|
256 | ARIN | REASSIGNMENT |
| 192.244.8.0/21 |
Showa Medical Science,ltd.
|
2,048 | JPNIC | |
| 202.15.44.0/23 |
NTT Advanced Technology Corporation
|
512 | JPNIC | |
| 202.19.224.0/21 |
NTT Docomo Inc.
|
2,048 | JPNIC | |
| 202.22.208.0/20 |
Hikari Cable TV Co., LTD
|
4,096 | JPNIC | |
| 202.24.140.0/22 |
Kitasato University
|
1,024 | JPNIC | |
| 202.24.192.0/24 |
Nissen Co., Ltd.
|
256 | JPNIC | |
| 202.24.193.0/24 |
Nissen Co., Ltd.
|
256 | JPNIC | |
| 202.24.194.0/24 |
Nissen Co., Ltd.
|
256 | JPNIC | |
| 202.24.195.0/24 |
Nissen Co., Ltd.
|
256 | JPNIC | |
| 202.24.196.0/24 |
Nissen Co., Ltd.
|
256 | JPNIC | |
| 202.32.0.0/16 |
Aiga Co., Ltd.
|
65,536 | JPNIC | |
| 202.48.108.0/23 |
Iij Internet
|
512 | JPNIC | |
| 202.141.192.0/20 |
Hi-ho Inc.
|
4,096 | JPNIC | |
| 202.214.0.0/16 |
SONY CREATIVE PRODUCTS INC.
|
65,536 | JPNIC | |
| 202.221.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 202.224.128.0/18 |
Hi-ho Inc.
|
16,384 | JPNIC | |
| 202.232.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 202.237.132.0/24 |
Kitasato University
|
256 | JPNIC | |
| 202.238.128.0/18 |
R-security Co., Ltd.
|
16,384 | JPNIC | |
| 202.238.192.0/18 |
Iij Internet
|
16,384 | JPNIC | |
| 202.242.16.0/23 |
Hyogo Prefectural Government
|
512 | JPNIC | |
| 202.244.222.0/24 |
Panasonic Infomation Systems CO.,LTD.
|
256 | JPNIC | |
| 202.245.176.0/20 |
NTT Docomo Inc.
|
4,096 | JPNIC | |
| 202.250.154.0/24 |
NGK INSULATORS,LTD.
|
256 | JPNIC | |
| 202.250.155.0/24 |
NGK INSULATORS,LTD.
|
256 | JPNIC | |
| 202.251.0.0/19 |
Cti Engineering CO.LTD.
|
8,192 | JPNIC | |
| 202.251.200.0/22 |
Kitasato University
|
1,024 | JPNIC | |
| 202.253.160.0/22 |
NTT Advanced Technology Corporation
|
1,024 | JPNIC | |
| 203.139.224.0/22 |
EJWORKS CORPORATION
|
1,024 | JPNIC | |
| 203.139.228.0/22 |
EJWORKS CORPORATION
|
1,024 | JPNIC | |
| 203.139.232.0/22 |
EJWORKS CORPORATION
|
1,024 | JPNIC | |
| 203.139.236.0/22 |
EJWORKS CORPORATION
|
1,024 | JPNIC | |
| 203.139.240.0/20 |
EJWORKS CORPORATION
|
4,096 | JPNIC | |
| 203.180.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 206.132.160.0/20 |
Iij America Inc.
|
4,096 | ARIN | REASSIGNMENT |
| 210.128.0.0/16 |
Eltex, Inc.
|
65,536 | JPNIC | |
| 210.130.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 210.133.192.0/18 |
Chugoku Shimbun System Development, Inc.
|
16,384 | JPNIC | |
| 210.138.0.0/16 |
Hokkaido Internet Association(technical Corp.)
|
65,536 | JPNIC | |
| 210.141.16.0/20 |
Toho Gas Information System Co. ,ltd.
|
4,096 | JPNIC | |
| 210.148.0.0/16 |
Internet Initiative Japan Inc.
|
65,536 | JPNIC | |
| 210.149.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 210.173.0.0/19 |
Iij Internet
|
8,192 | JPNIC | |
| 210.233.160.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.162.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.163.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.165.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.166.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.167.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.168.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.169.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.170.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.171.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.173.0/24 |
A&D CO.,LTD.
|
256 | JPNIC | |
| 210.233.174.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.175.0/24 |
CHICHIBU DENSHI CORP.
|
256 | JPNIC | |
| 210.233.176.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.177.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.178.0/24 |
Yoshimi Shoji CO.,LTD.
|
256 | JPNIC | |
| 210.233.179.0/24 |
Nomura Jewellery Company
|
256 | JPNIC | |
| 210.233.180.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.181.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.182.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.183.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.184.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.185.0/24 |
Knet CO.,LTD.
|
256 | JPNIC | |
| 210.233.186.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.187.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.188.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.189.0/24 |
Knet
|
256 | JPNIC | |
| 210.233.190.0/24 |
Knet
|
256 | JPNIC | |
| 211.14.32.0/19 |
Hi-ho Inc.
|
8,192 | JPNIC | |
| 216.98.96.0/19 |
Iij America, Inc.
|
8,192 | ARIN | REASSIGNMENT |
| 218.42.160.0/19 |
Hi-ho Inc.
|
8,192 | JPNIC | |
| 218.228.96.0/19 |
Internet Initiative Japan Inc.
|
8,192 | JPNIC | |
| 219.105.0.0/19 |
Internet Initiative Japan Inc.
|
8,192 | JPNIC | |
| 219.111.0.0/17 |
Internet Initiative Japan Inc.
|
32,768 | JPNIC | |
| 219.119.0.0/16 |
Iij Internet
|
65,536 | JPNIC | |
| 219.121.160.0/19 |
Hi-ho Inc.
|
8,192 | JPNIC | |
| 219.126.128.0/17 |
Internet Initiative Japan Inc.
|
32,768 | JPNIC | |
| 220.100.0.0/17 |
Internet Initiative Japan Inc.
|
32,768 | JPNIC | |
| 220.100.192.0/18 |
Iij Internet
|
16,384 | JPNIC | |
| 220.156.0.0/18 |
Iij Internet
|
16,384 | JPNIC | |
| 220.156.64.0/19 |
Iij Internet
|
8,192 | JPNIC | |
| 220.156.96.0/19 |
Excite Japan Co., Ltd.
|
8,192 | JPNIC | |
| 220.156.128.0/19 |
Iij Internet
|
8,192 | JPNIC | |
| 220.208.192.0/19 |
Hi-ho Inc.
|
8,192 | JPNIC | |
| 220.210.128.0/18 |
Internet Initiative Japan Inc.
|
16,384 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:240::/32 |
Iij Internet
|
7.9228× 1028 | JPNIC | |
| 2001:300::/32 |
Iij Internet
|
7.9228× 1028 | JPNIC | |
| 2001:48b0::/32 |
Iij America, Inc.
|
7.9228× 1028 | ARIN | ALLOCATION |
| 2400:3980::/32 |
Toho Gas Information System CO.,LTD.
|
7.9228× 1028 | JPNIC | |
| 2403:5700::/48 |
Videx Inc.
|
1.2089× 1024 | JPNIC | |
| 2403:5700:1::/48 |
Videx Inc.
|
1.2089× 1024 | JPNIC | |
| 240a:71:8000::/36 |
NTT DOCOMO,INC.
|
4.9518× 1027 | JPNIC | |
| 240a:71:9000::/36 |
NTT DOCOMO,INC.
|
4.9518× 1027 | JPNIC |
Peers
AS2497 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS42
AS101
AS286
AS293
AS297
AS577
AS703
AS714
AS1257
AS1273
AS1299
AS2119
AS2500
AS2514
AS2516
AS2518
AS2603
AS2647
AS2687
AS2906
AS3216
AS3257
AS3292
AS3300
AS3303
AS3320
AS3462
AS3491
AS3786
AS3856
AS4134
AS4181
AS4637
AS4651
AS4657
AS4761
AS4766
AS4775
AS4788
AS4826
AS4837
AS4862
AS5400
AS6079
AS6327
AS6453
AS6461
AS6507
AS6661
AS6667
AS6774
AS6830
AS6894
AS6939
AS7018
AS7342
AS7473
AS7514
AS7713
AS8001
AS8075
AS8220
AS8359
AS8529
AS8657
AS8708
AS8781
AS8966
AS9050
AS9121
AS9269
AS9299
AS9304
AS9318
AS9381
AS9498
AS9505
AS9658
AS9680
AS9873
AS9930
AS10310
AS11164
AS12389
AS13030
AS13335
AS13414
AS13445
AS13768
AS14340
AS14361
AS15169
AS15412
AS15557
AS16276
AS16509
AS16735
AS17451
AS17557
AS17676
AS18106
AS19151
AS20485
AS20940
AS21859
AS23947
AS25152
AS30781
AS32934
AS37100
AS37468
AS38040
AS38082
AS39122
AS41095
AS45204
AS45558
AS45629
AS45758
AS45899
AS46489
AS49544
AS54113
AS56308
AS58453
AS60068
Upstreams
AS2497 connects to the global Internet via at least 5 upstream providers. In this setup, AS2497 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS2497 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS2497's role in extending Internet access beyond its own infrastructure.
AS983
AS984
AS2515
AS2519
AS2522
AS2527
AS2907
AS3130
AS3258
AS4673
AS4680
AS4685
AS4694
AS4713
AS4718
AS4723
AS4774
AS4777
AS4785
AS7483
AS7500
AS7503
AS7522
AS7524
AS7527
AS7529
AS7664
AS7665
AS7668
AS7670
AS7671
AS7672
AS7676
AS7679
AS7687
AS7690
AS8674
AS9351
AS9354
AS9357
AS9365
AS9370
AS9371
AS9374
AS9593
AS9595
AS9597
AS9605
AS9607
AS9824
AS9993
AS9997
AS9999
AS10000
AS10003
AS10010
AS10014
AS10016
AS12654
AS13150
AS15830
AS17511
AS17512
AS17514
AS17516
AS17529
AS17661
AS17689
AS17691
AS17693
AS17707
AS17931
AS17939
AS17940
AS17944
AS17947
AS17950
AS17955
AS17958
AS17961
AS18071
AS18074
AS18081
AS18090
AS18091
AS18094
AS18121
AS18126
AS18135
AS18260
AS18272
AS18274
AS18278
AS18526
AS20347
AS23620
AS23627
AS23628
AS23634
AS23639
AS23774
AS23776
AS23778
AS23780
AS23783
AS23786
AS23816
AS23820
AS24248
AS24249
AS24255
AS24259
AS24279
AS24284
AS24319
AS24572
AS26704
AS37891
AS37905
AS37915
AS37916
AS37918
AS38628
AS38634
AS38636
AS38651
AS40263
AS45691
AS51847
AS54994
AS55385
AS55387
AS55391
AS55392
AS55899
AS55900
AS55904
AS55910
AS58788
AS58793
AS59104
AS59107
AS59109
AS59118
AS59123
AS59124
AS59125
AS59258
AS61215
AS63210
AS63773
AS63997
AS131160
AS131896
AS131899
AS131909
AS131912
AS131916
AS131918
AS131919
AS131921
AS131925
AS131937
AS131944
AS131952
AS131957
AS131958
AS131961
AS131964
AS131965
AS131981
AS131984
AS131988
AS132139
AS137445
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