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AS2497

IIJ

Internet Initiative Japan Inc.

Registry

Authoritative registration data

AS number
2497
Name
IIJ
Organisation
Internet Initiative Japan Inc.
Country
Flag of Japan JP Japan
RIR
APNIC
Registered
Source:asn:rdap retrieved

IPv4 prefixes

197

IPv6 prefixes

11

Total announced

208

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS2497
172.122.0.0/15 IPv4 /15 not checked
121.102.0.0/16 IPv4 /16 not checked
125.30.0.0/16 IPv4 /16 not checked
129.249.0.0/16 IPv4 /16 not checked
131.248.0.0/16 IPv4 /16 not checked
132.179.0.0/16 IPv4 /16 not checked
133.110.0.0/16 IPv4 /16 not checked
133.111.0.0/16 IPv4 /16 not checked
133.127.0.0/16 IPv4 /16 not checked
133.137.0.0/16 IPv4 /16 not checked
133.142.0.0/16 IPv4 /16 not checked
133.159.0.0/16 IPv4 /16 not checked
133.173.0.0/16 IPv4 /16 not checked
133.215.0.0/16 IPv4 /16 not checked
133.218.0.0/16 IPv4 /16 not checked
133.221.0.0/16 IPv4 /16 not checked
133.236.0.0/16 IPv4 /16 not checked
133.245.0.0/16 IPv4 /16 not checked
133.254.0.0/16 IPv4 /16 not checked
134.237.0.0/16 IPv4 /16 not checked
138.107.0.0/16 IPv4 /16 not checked
139.152.0.0/16 IPv4 /16 not checked
143.94.0.0/16 IPv4 /16 not checked
150.23.0.0/16 IPv4 /16 not checked
150.31.0.0/16 IPv4 /16 not checked
150.87.0.0/16 IPv4 /16 not checked
150.90.0.0/16 IPv4 /16 not checked
157.67.0.0/16 IPv4 /16 not checked
160.13.0.0/16 IPv4 /16 not checked
160.17.0.0/16 IPv4 /16 not checked
163.140.0.0/16 IPv4 /16 not checked
163.218.0.0/16 IPv4 /16 not checked
163.49.0.0/16 IPv4 /16 not checked
163.55.0.0/16 IPv4 /16 not checked
167.169.0.0/16 IPv4 /16 not checked
202.214.0.0/16 IPv4 /16 not checked
202.221.0.0/16 IPv4 /16 not checked
202.232.0.0/16 IPv4 /16 not checked
202.32.0.0/16 IPv4 /16 not checked
203.180.0.0/16 IPv4 /16 not checked
210.128.0.0/16 IPv4 /16 not checked
210.130.0.0/16 IPv4 /16 not checked
210.138.0.0/16 IPv4 /16 not checked
210.148.0.0/16 IPv4 /16 not checked
210.149.0.0/16 IPv4 /16 not checked
219.119.0.0/16 IPv4 /16 not checked
101.128.128.0/17 IPv4 /17 not checked
113.197.128.0/17 IPv4 /17 not checked
118.151.0.0/17 IPv4 /17 not checked
124.41.0.0/17 IPv4 /17 not checked
133.173.0.0/17 IPv4 /17 not checked
133.173.128.0/17 IPv4 /17 not checked
133.194.0.0/17 IPv4 /17 not checked
133.238.128.0/17 IPv4 /17 not checked
143.125.0.0/17 IPv4 /17 not checked
219.111.0.0/17 IPv4 /17 not checked
219.126.128.0/17 IPv4 /17 not checked
220.100.0.0/17 IPv4 /17 not checked
58.138.0.0/17 IPv4 /17 not checked
118.151.128.0/18 IPv4 /18 not checked
119.10.192.0/18 IPv4 /18 not checked
124.147.64.0/18 IPv4 /18 not checked
124.41.128.0/18 IPv4 /18 not checked
133.194.128.0/18 IPv4 /18 not checked
143.125.128.0/18 IPv4 /18 not checked
202.224.128.0/18 IPv4 /18 not checked
202.238.128.0/18 IPv4 /18 not checked
202.238.192.0/18 IPv4 /18 not checked
210.133.192.0/18 IPv4 /18 not checked
220.100.192.0/18 IPv4 /18 not checked
220.156.0.0/18 IPv4 /18 not checked
220.210.128.0/18 IPv4 /18 not checked
49.239.64.0/18 IPv4 /18 not checked
58.138.128.0/18 IPv4 /18 not checked
133.183.128.0/19 IPv4 /19 not checked
133.194.192.0/19 IPv4 /19 not checked
133.238.32.0/19 IPv4 /19 not checked
202.251.0.0/19 IPv4 /19 not checked
210.173.0.0/19 IPv4 /19 not checked
211.14.32.0/19 IPv4 /19 not checked
216.98.96.0/19 IPv4 /19 not checked
218.228.96.0/19 IPv4 /19 not checked
218.42.160.0/19 IPv4 /19 not checked
219.105.0.0/19 IPv4 /19 not checked
219.121.160.0/19 IPv4 /19 not checked
220.156.128.0/19 IPv4 /19 not checked
220.156.64.0/19 IPv4 /19 not checked
220.156.96.0/19 IPv4 /19 not checked
220.208.192.0/19 IPv4 /19 not checked
61.211.96.0/19 IPv4 /19 not checked
116.118.192.0/20 IPv4 /20 not checked
133.194.224.0/20 IPv4 /20 not checked
133.238.16.0/20 IPv4 /20 not checked
143.125.192.0/20 IPv4 /20 not checked
202.141.192.0/20 IPv4 /20 not checked
202.22.208.0/20 IPv4 /20 not checked
202.245.176.0/20 IPv4 /20 not checked
203.139.240.0/20 IPv4 /20 not checked
206.132.160.0/20 IPv4 /20 not checked
210.141.16.0/20 IPv4 /20 not checked
61.122.224.0/20 IPv4 /20 not checked
61.124.0.0/20 IPv4 /20 not checked
61.124.16.0/20 IPv4 /20 not checked
121.200.200.0/21 IPv4 /21 not checked
121.50.160.0/21 IPv4 /21 not checked
133.169.0.0/21 IPv4 /21 not checked
133.183.96.0/21 IPv4 /21 not checked
133.194.240.0/21 IPv4 /21 not checked
133.238.8.0/21 IPv4 /21 not checked
157.65.176.0/21 IPv4 /21 not checked
157.65.192.0/21 IPv4 /21 not checked
157.65.8.0/21 IPv4 /21 not checked
192.244.8.0/21 IPv4 /21 not checked
202.19.224.0/21 IPv4 /21 not checked
133.169.8.0/22 IPv4 /22 not checked
133.194.248.0/22 IPv4 /22 not checked
143.125.208.0/22 IPv4 /22 not checked
182.54.240.0/22 IPv4 /22 not checked
202.253.160.0/22 IPv4 /22 not checked
203.139.224.0/22 IPv4 /22 not checked
203.139.228.0/22 IPv4 /22 not checked
203.139.232.0/22 IPv4 /22 not checked
203.139.236.0/22 IPv4 /22 not checked
103.140.136.0/23 IPv4 /23 not checked
103.2.58.0/23 IPv4 /23 not checked
133.194.252.0/23 IPv4 /23 not checked
192.50.252.0/23 IPv4 /23 not checked
202.15.44.0/23 IPv4 /23 not checked
202.242.16.0/23 IPv4 /23 not checked
202.48.108.0/23 IPv4 /23 not checked
103.2.57.0/24 IPv4 /24 not checked
103.26.166.0/24 IPv4 /24 not checked
103.26.167.0/24 IPv4 /24 not checked
103.5.23.0/24 IPv4 /24 not checked
103.76.87.0/24 IPv4 /24 not checked
133.183.106.0/24 IPv4 /24 not checked
133.194.254.0/24 IPv4 /24 not checked
133.221.3.0/24 IPv4 /24 not checked
133.254.130.0/24 IPv4 /24 not checked
133.254.131.0/24 IPv4 /24 not checked
139.152.11.0/24 IPv4 /24 not checked
139.152.13.0/24 IPv4 /24 not checked
139.152.14.0/24 IPv4 /24 not checked
139.152.15.0/24 IPv4 /24 not checked
14.137.235.0/24 IPv4 /24 not checked
14.137.243.0/24 IPv4 /24 not checked
143.94.217.0/24 IPv4 /24 not checked
150.61.5.0/24 IPv4 /24 not checked
150.61.54.0/24 IPv4 /24 not checked
150.61.55.0/24 IPv4 /24 not checked
178.239.124.0/24 IPv4 /24 not checked
178.239.125.0/24 IPv4 /24 not checked
178.239.126.0/24 IPv4 /24 not checked
192.47.161.0/24 IPv4 /24 not checked
192.70.131.0/24 IPv4 /24 not checked
202.155.129.0/24 IPv4 /24 not checked
202.155.130.0/24 IPv4 /24 not checked
202.24.192.0/24 IPv4 /24 not checked
202.24.193.0/24 IPv4 /24 not checked
202.24.194.0/24 IPv4 /24 not checked
202.24.195.0/24 IPv4 /24 not checked
202.24.196.0/24 IPv4 /24 not checked
202.244.222.0/24 IPv4 /24 not checked
202.250.154.0/24 IPv4 /24 not checked
202.250.155.0/24 IPv4 /24 not checked
210.233.160.0/24 IPv4 /24 not checked
210.233.162.0/24 IPv4 /24 not checked
210.233.163.0/24 IPv4 /24 not checked
210.233.165.0/24 IPv4 /24 not checked
210.233.166.0/24 IPv4 /24 not checked
210.233.167.0/24 IPv4 /24 not checked
210.233.168.0/24 IPv4 /24 not checked
210.233.169.0/24 IPv4 /24 not checked
210.233.170.0/24 IPv4 /24 not checked
210.233.171.0/24 IPv4 /24 not checked
210.233.173.0/24 IPv4 /24 not checked
210.233.174.0/24 IPv4 /24 not checked
210.233.175.0/24 IPv4 /24 not checked
210.233.176.0/24 IPv4 /24 not checked
210.233.177.0/24 IPv4 /24 not checked
210.233.178.0/24 IPv4 /24 not checked
210.233.179.0/24 IPv4 /24 not checked
210.233.180.0/24 IPv4 /24 not checked
210.233.181.0/24 IPv4 /24 not checked
210.233.182.0/24 IPv4 /24 not checked
210.233.183.0/24 IPv4 /24 not checked
210.233.184.0/24 IPv4 /24 not checked
210.233.185.0/24 IPv4 /24 not checked
210.233.186.0/24 IPv4 /24 not checked
210.233.187.0/24 IPv4 /24 not checked
210.233.188.0/24 IPv4 /24 not checked
210.233.189.0/24 IPv4 /24 not checked
210.233.190.0/24 IPv4 /24 not checked
23.131.136.0/24 IPv4 /24 not checked
23.159.40.0/24 IPv4 /24 not checked
23.183.56.0/24 IPv4 /24 not checked
79.170.199.0/24 IPv4 /24 not checked
2001:240::/32 IPv6 /32 not checked
2001:300::/32 IPv6 /32 not checked
2001:48b0::/32 IPv6 /32 not checked
2400:3980::/32 IPv6 /32 not checked
240a:71:8000::/36 IPv6 /36 not checked
240a:71:9000::/36 IPv6 /36 not checked
2401:ce20:c::/48 IPv6 /48 not checked
2401:ce20:d::/48 IPv6 /48 not checked
2401:ce20:e::/48 IPv6 /48 not checked
2403:5700:1::/48 IPv6 /48 not checked
2403:5700::/48 IPv6 /48 not checked

No rows match “”.

Showing of

Source:ripestat:announced-prefixes observed

Observed adjacencies

Networks seen next to AS2497 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

44 networks seen before AS2497 in AS paths

Observed upstreams
Families
AS174 51,906 576,916
v4 v6
AS3356 45,322 464,536
v4 v6
AS1299 33,792 448,593
v4 v6
AS2914 22,850 313,266
v4 v6
AS6453 16,706 194,562
v4 v6
AS6939 22,205 186,566
v4 v6
AS3257 15,363 175,025
v4 v6
AS58453 972 102,178
v4 v6
AS3491 5,343 80,792
v4 v6
AS5511 5,332 78,196
v4 v6
AS6461 3,388 73,146
v4 v6
AS701 4,082 65,469
v4 v6
AS3320 4,689 57,292
v4 v6
AS9498 2,731 55,591
v4 v6
AS4837 277 53,450
v4 v6
AS12956 2,429 45,703
v4 v6
AS13030 2,856 43,753
v4 v6
AS12389 3,559 39,325
v4 v6
AS1273 2,374 32,286
v4 v6
AS4637 2,530 27,325
v4 v6
AS6830 2,207 25,878
v4 v6
AS9370 3,402 22,447
v4 v6
AS9121 961 16,403
v4 v6
AS577 949 15,801
v4 v6
AS3303 1,324 15,136
v4 v6
AS37468 2,295 14,742
v4 v6
AS1257 1,009 11,455
v4 v6
AS20485 1,310 10,109
v4 v6
AS6057 931 9,894
v4 v6
AS8359 1,080 9,870
v4 v6
AS4713 254 7,413
v4 v6
AS9304 641 7,371
v4 v6
AS15412 496 6,734
v4 v6
AS37100 599 6,394
v4 v6
AS8220 851 6,285
v4 v6
AS30781 626 5,831
v4 v6
AS7473 487 5,587
v4 v6
AS2516 222 2,705
v4 v6
AS286 229 2,329
v4 v6
AS8966 238 2,232
v4 v6
AS2518 94 853
v4 v6
AS8708 1 196
v4
AS60068 3 78
v4 v6
AS9371 2 48
v4 v6

No rows match “”.

Showing of

Observed downstreams

100 networks seen after AS2497 in AS paths

Observed downstreams
Families
AS2907 19,631 256,916
v4 v6
AS9824 3,937 99,778
v4 v6
AS9605 654 83,749
v4 v6
AS3356 15,517 72,740
v4 v6
AS174 14,331 72,137
v4 v6
AS4694 669 56,126
v4 v6
AS6453 6,704 48,579
v4 v6
AS1299 6,373 43,026
v4 v6
AS2914 6,075 42,159
v4 v6
AS4837 496 40,422
v4 v6
AS58453 219 33,178
v4 v6
AS9498 2,865 26,023
v4 v6
AS3257 4,897 21,728
v4 v6
AS59109 262 21,451
v4
AS12956 2,477 21,327
v4 v6
AS131921 662 21,107
v4 v6
AS5511 1,250 20,090
v4 v6
AS17514 265 20,069
v4
AS18071 283 16,584
v4
AS7671 484 15,910
v4 v6
AS2519 1,357 14,127
v4 v6
AS4785 1,341 13,461
v4 v6
AS16509 218 13,367
v4 v6
AS137535 628 13,326
v4
AS55391 3,220 13,063
v4 v6
AS9370 680 11,605
v4 v6
AS7524 227 11,153
v4 v6
AS7018 1,943 10,213
v4 v6
AS4134 672 9,665
v4 v6
AS10010 1,522 9,106
v4 v6
AS3491 1,243 8,961
v4 v6
AS7670 1,003 8,688
v4 v6
AS59107 266 8,544
v4
AS9595 448 8,487
v4 v6
AS6461 1,953 8,342
v4 v6
AS9354 459 8,119
v4 v6
AS18081 257 7,465
v4 v6
AS17511 949 7,147
v4 v6
AS7676 268 7,139
v4 v6
AS3216 1,403 6,594
v4 v6
AS55900 1,053 6,411
v4 v6
AS15830 904 6,335
v4 v6
AS7687 297 6,254
v4
AS9121 470 5,948
v4 v6
AS7672 319 5,787
v4 v6
AS7713 558 5,761
v4 v6
AS3258 155 5,701
v4 v6
AS701 596 5,455
v4 v6
AS9999 848 5,266
v4 v6
AS45899 190 5,235
v4 v6
AS9318 364 5,159
v4 v6
AS37918 352 5,075
v4 v6
AS9351 359 5,013
v4
AS2522 268 4,961
v4
AS12389 1,212 4,832
v4 v6
AS9607 854 4,759
v4 v6
AS23783 640 4,756
v4 v6
AS4780 82 4,518
v4 v6
AS7529 617 4,453
v4 v6
AS45691 434 4,394
v4 v6
AS4766 459 4,219
v4 v6
AS216211 1,805 4,130
v4 v6
AS4826 866 4,057
v4 v6
AS17707 272 3,893
v4 v6
AS58793 481 3,821
v4 v6
AS23639 279 3,807
v4 v6
AS9597 188 3,807
v4 v6
AS9993 446 3,770
v4 v6
AS131916 308 3,655
v4 v6
AS131918 269 3,616
v4 v6
AS150363 1,350 3,598
v4 v6
AS4637 769 3,567
v4 v6
AS3605 795 3,536
v4 v6
AS1273 625 3,536
v4 v6
AS138384 238 3,457
v4 v6
AS38628 196 3,454
v4 v6
AS17661 191 3,446
v4
AS17516 149 3,435
v4 v6
AS8359 604 3,422
v4 v6
AS3786 121 3,365
v4 v6
AS24259 231 3,363
v4 v6
AS131899 263 3,302
v4
AS153371 1,118 3,273
v4 v6
AS4673 262 3,272
v4 v6
AS20485 711 3,243
v4 v6
AS131925 239 3,108
v4 v6
AS131896 351 3,101
v4
AS23816 639 3,066
v4 v6
AS18126 120 3,066
v4 v6
AS37468 883 2,981
v4 v6
AS63997 534 2,942
v4 v6
AS140096 333 2,933
v4 v6
AS17955 235 2,885
v4 v6
AS59123 302 2,841
v4 v6
AS131937 234 2,794
v4 v6
AS9371 111 2,724
v4 v6
AS9997 277 2,651
v4 v6
AS131944 265 2,636
v4
AS18526 297 2,621
v4 v6
AS55899 361 2,547
v4 v6

No rows match “”.

Showing of

Uncertain adjacencies

100 adjacencies that may be an artefact of collector peering

Uncertain adjacencies
Families
AS4777 73,536 522,118
v4 v6
AS25152 7,917 61,618
v4 v6
AS4134 512 50,956
v4 v6
AS16509 178 34,930
v4 v6
AS7018 2,048 20,435
v4 v6
AS13335 1,012 17,727
v4 v6
AS4766 604 15,305
v4 v6
AS19151 660 13,752
v4 v6
AS32787 724 13,102
v4 v6
AS3786 257 12,329
v4 v6
AS3216 1,414 11,950
v4 v6
AS7713 566 11,627
v4 v6
AS15169 25 10,902
v4 v6
AS6327 221 10,447
v4 v6
AS9318 393 10,063
v4 v6
AS45899 219 9,993
v4 v6
AS4651 237 9,125
v4 v6
AS17557 272 8,990
v4 v6
AS4780 76 8,726
v4 v6
AS4826 929 8,564
v4 v6
AS6667 710 8,271
v4 v6
AS6894 569 8,194
v4
AS39122 819 7,293
v4 v6
AS38082 195 5,984
v4 v6
AS6079 81 5,304
v4
AS23947 429 5,230
v4 v6
AS11164 421 4,748
v4 v6
AS7018 390 4,411
v4 v6
AS714 2 3,706
v4 v6
AS4775 130 3,287
v4 v6
AS2500 254 3,233
v4 v6
AS8529 113 3,191
v4 v6
AS8075 8 2,884
v4 v6
AS17676 178 2,769
v4 v6
AS4788 144 2,745
v4 v6
AS18106 294 2,603
v4 v6
AS4761 117 2,438
v4 v6
AS5400 185 2,382
v4 v6
AS16276 232 2,288
v4 v6
AS8781 39 2,195
v4 v6
AS2907 104 2,182
v4 v6
AS3462 106 2,117
v4 v6
AS4657 108 2,066
v4 v6
AS41095 87 2,028
v4 v6
AS9605 4 2,000
v4 v6
AS17451 81 1,774
v4 v6
AS20940 7 1,730
v4 v6
AS2519 90 1,694
v4 v6
AS9050 150 1,550
v4 v6
AS9824 28 1,446
v4 v6
AS9381 40 1,405
v4 v6
AS9505 78 1,275
v4 v6
AS3292 98 1,235
v4 v6
AS38040 19 1,114
v4 v6
AS49544 129 1,110
v4 v6
AS55900 83 1,092
v4 v6
AS45629 90 1,064
v4 v6
AS9930 108 1,036
v4 v6
AS15557 91 1,020
v4 v6
AS2603 132 989
v4 v6
AS6910 206 968
v4 v6
AS9658 37 967
v4
AS703 106 913
v4 v6
AS6667 105 870
v4 v6
AS9269 2 828
v4 v6
AS10310 33 818
v4 v6
AS2687 55 762
v4 v6
AS2119 74 760
v4 v6
AS45204 40 724
v4 v6
AS10010 40 611
v4 v6
AS6774 41 601
v4 v6
AS19151 34 550
v4 v6
AS101 41 528
v4 v6
AS4694 3 506
v4 v6
AS15830 36 482
v4 v6
AS45558 65 448
v4 v6
AS32934 2 434
v4 v6
AS297 12 408
v4 v6
AS293 36 403
v4 v6
AS2514 2 396
v4 v6
AS3300 21 393
v4 v6
AS216211 85 386
v4 v6
AS54113 1 368
v4 v6
AS8657 50 366
v4 v6
AS21859 36 347
v4 v6
AS42 5 342
v4 v6
AS9354 15 332
v4 v6
AS9299 1 300
v4
AS9873 12 290
v4 v6
AS4181 33 288
v4
AS39122 19 262
v4 v6
AS23911 102 246
v6
AS7529 18 236
v4 v6
AS7670 15 232
v4 v6
AS13445 2 226
v4 v6
AS6661 36 216
v4 v6
AS14361 2 216
v4 v6
AS2527 4 200
v4 v6
AS2906 2 182
v4 v6
AS4785 7 166
v4 v6

No rows match “”.

Showing of

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual. Adjacencies marked uncertain were seen only as direct peers of a route collector, so the collector's own peering may have created them.