IP优 ipyou.net

AS174

Cogent Communications, LLC
Announced prefixes
9,940
Upstreams
0
Peers
83
Downstreams
6,514

Adjacent ASNs

DownstreamAS3AS3AS4AS4AS14AS14AS18AS18AS20AS20AS29AS29AS34AS34AS55AS55+6506 more+6506 more83 peer ASNs (exchange traffic as equals, not a hierarchy)Peers ×83AS174

Neighbor nodes aren't clickable. To look up an ASN, use the ASN lookup page

All Neighbor ASNs

Upstream0

Buys transit from them

None

Peer83

Settlement-free traffic exchange

  • AS209
  • AS286
  • AS559
  • AS577
  • AS701
  • AS702
  • AS703
  • AS1239
  • AS1273
  • AS1299
  • AS2495
  • AS2686
  • AS2828
  • AS2914
  • AS3257
  • AS3320
  • AS3356
  • AS3491
  • AS5400
  • AS5511
  • AS6453
  • AS6461
  • AS6507
  • AS6762
  • AS6830
  • AS6866
  • AS7018
  • AS7922
  • AS9924
  • AS11666
  • AS12676
  • AS12731
  • AS12956
  • AS13819
  • AS14135
  • AS14282
  • AS15267
  • AS17511
  • AS17559
  • AS20836
  • AS21804
  • AS21949
  • AS23764
  • AS24904
  • AS25180
  • AS25198
  • AS26141
  • AS28124
  • AS28768
  • AS29457
  • AS31083
  • AS32787
  • AS33554
  • AS37075
  • AS39305
  • AS40068
  • AS41327
  • AS41887
  • AS42295
  • AS43338
  • AS43350
  • AS43893
  • AS44143
  • AS45474
  • AS46195
  • AS52545
  • AS52663
  • AS53264
  • AS57264
  • AS58807
  • AS59699
  • AS134555
  • AS136237
  • AS149994
  • AS199569
  • AS199829
  • AS205769
  • AS211083
  • AS215172
  • AS215955
  • AS219498
  • AS400215
  • AS400619

Downstream6,514

Buys transit from this AS

  • AS3
  • AS4
  • AS14
  • AS18
  • AS20
  • AS29
  • AS34
  • AS55
  • AS62
  • AS72
  • AS81
  • AS91
  • AS92
  • AS98
  • AS101
  • AS103
  • AS111
  • AS122
  • AS137
  • AS156
  • AS160
  • AS210
  • AS237
  • AS264
  • AS376
  • AS513
  • AS557
  • AS558
  • AS693
  • AS766
  • AS803
  • AS812
  • AS819
  • AS835
  • AS852
  • AS889
  • AS892
  • AS896
  • AS897
  • AS902
  • AS906
  • AS927
  • AS930
  • AS932
  • AS939
  • AS954
  • AS971
  • AS973
  • AS978
  • AS979
  • AS983
  • AS984
  • AS992
  • AS998
  • AS999
  • AS1000
  • AS1008
  • AS1031
  • AS1065
  • AS1086
  • AS1088
  • AS1089
  • AS1096
  • AS1100
  • AS1204
  • AS1213
  • AS1246
  • AS1257
  • AS1265
  • AS1286
  • AS1289
  • AS1311
  • AS1312
  • AS1355
  • AS1378
  • AS1405
  • AS1406
  • AS1408
  • AS1411
  • AS1419
  • AS1422
  • AS1423
  • AS1439
  • AS1441
  • AS1442
  • AS1443
  • AS1448
  • AS1547
  • AS1605
  • AS1610
  • AS1613
  • AS1616
  • AS1622
  • AS1635
  • AS1647
  • AS1680
  • AS1742
  • AS1764
  • AS1790
  • AS1798
  • AS1825
  • AS1836
  • AS1886
  • AS1916
  • AS1930
  • AS1955
  • AS1968
  • AS1996
  • AS2018
  • AS2033
  • AS2044
  • AS2107
  • AS2108
  • AS2149
  • AS2200
  • AS2288
  • AS2485
  • AS2497
  • AS2516
  • AS2518
  • AS2519
  • AS2544
  • AS2549
  • AS2552
  • AS2567
  • AS2572
  • AS2589
  • AS2611
  • AS2614
  • AS2637
  • AS2707
  • AS2711
  • AS2721
  • AS2728
  • AS2729
  • AS2731
  • AS2857
  • AS2901
  • AS2903
  • AS3061
  • AS3064
  • AS3130
  • AS3132
  • AS3170
  • AS3213
  • AS3238
  • AS3245
  • AS3252
  • AS3255
  • AS3266
  • AS3302
  • AS3303
  • AS3326
  • AS3330
  • AS3360
  • AS3389
  • AS3399
  • AS3401
  • AS3464
  • AS3479
  • AS3512
  • AS3580
  • AS3599
  • AS3653
  • AS3663
  • AS3685
  • AS3701
  • AS3714
  • AS3741
  • AS3755
  • AS3777
  • AS3778
  • AS3782
  • AS3786
  • AS3789
  • AS3795
  • AS3819
  • AS3833
  • AS3851
  • AS3853
  • AS3855
  • AS3927
  • AS4010
  • AS4046
  • AS4058
  • AS4134
  • AS4136
  • AS4190
  • AS4195
  • AS4213
  • AS4226
  • AS4230
  • AS4246
  • AS4261
  • AS4314
  • AS4373
  • AS4385
  • AS4455
  • AS4474
  • AS4508

6,314 more not shown (truncated)

Recent Prefix Changes

latest 50

IP prefixes this ASN started or stopped announcing (derived by diffing successive data syncs).

  • Announced38.7.99.0/242026-08-28
  • Announced38.10.93.0/242026-08-28
  • Announced38.19.104.0/242026-08-28
  • Announced38.64.222.0/242026-08-28
  • Announced38.78.201.0/242026-08-28
  • Announced38.89.99.0/242026-08-28
  • Withdrawn38.170.116.0/222026-08-28
  • Withdrawn38.170.120.0/222026-08-28
  • Withdrawn38.244.29.0/242026-08-28
  • Announced38.254.124.0/232026-08-28
  • Announced63.174.212.0/242026-08-28
  • Withdrawn69.33.90.0/232026-08-28
  • Withdrawn149.34.228.0/222026-08-28
  • Withdrawn149.34.232.0/212026-08-28
  • Announced198.242.56.0/242026-08-28
  • Announced217.204.10.0/242026-08-28
  • Announced217.204.12.0/242026-08-28
  • Announced217.204.14.0/232026-08-28
  • Announced217.204.32.0/232026-08-28
  • Announced217.204.35.0/242026-08-28
  • Announced217.204.60.0/242026-08-28
  • Withdrawn38.10.93.0/242026-08-28
  • Withdrawn38.13.136.0/222026-08-28
  • Announced38.76.250.0/242026-08-28
  • Withdrawn38.188.234.0/242026-08-28
  • Withdrawn38.188.239.0/242026-08-28
  • Withdrawn38.213.115.0/242026-08-28
  • Withdrawn74.1.138.0/242026-08-28
  • Announced38.13.136.0/222026-08-28
  • Withdrawn38.19.104.0/242026-08-28
  • Announced38.47.77.0/242026-08-28
  • Announced38.105.145.0/242026-08-28
  • Announced38.213.115.0/242026-08-28
  • Withdrawn38.225.241.0/242026-08-28
  • Withdrawn154.57.203.0/242026-08-28
  • Withdrawn38.19.38.0/242026-08-28
  • Announced38.19.104.0/242026-08-28
  • Withdrawn38.29.185.0/242026-08-28
  • Withdrawn38.59.133.0/242026-08-28
  • Withdrawn38.69.188.0/242026-08-28
  • Withdrawn38.78.201.0/242026-08-28
  • Withdrawn38.191.82.0/242026-08-28
  • Withdrawn63.172.84.0/242026-08-28
  • Announced65.167.208.0/232026-08-28
  • Withdrawn149.78.80.0/242026-08-28
  • Withdrawn149.100.95.0/242026-08-28
  • Withdrawn154.3.63.0/242026-08-28
  • Withdrawn154.49.91.0/242026-08-28
  • Withdrawn154.49.92.0/242026-08-28
  • Announced154.57.203.0/242026-08-28

Data: local · Updated 2026-08-28 19:04:22