Autonomous System details

AS4004

Cogent Communications, LLC — cogentco.com

Summary

Country
US United States
Organization Cogent Communications, LLC
Domain cogentco.com
Number of IPv4 0
Number of IPv6 0
AS Type Inactive
Registry ARIN
Allocated November 04, 1994 (about 31 years ago)
Updated December 23, 2025 (about 3 months ago)

IP Ranges

AS4004 announces 0 IPv4 range and 0 IPv6 range.

That's a total of 0 IPv4 address and 0 IPv6 address.

Peers

AS4004 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 AS917 AS1031 AS1248 AS1267 AS1547 AS1820 AS1828 AS1921 AS2018 AS2119 AS2484 AS2635 AS2818 AS2906 AS3170 AS3213 AS3214 AS3216 AS3223 AS3327 AS3462 AS3491 AS3741 AS3856 AS4455 AS4651 AS4657 AS4775 AS4800 AS5378 AS5398 AS5405 AS5413 AS5459 AS5466 AS5482 AS5503 AS5564 AS5631 AS5713 AS6057 AS6204 AS6206 AS6424 AS6461 AS6507 AS6648 AS6661 AS6667 AS6677 AS6717 AS6866 AS6939 AS7155 AS7195 AS7342 AS7552 AS7642 AS7713 AS7979 AS8220 AS8262 AS8282 AS8301 AS8302 AS8304 AS8309 AS8400 AS8422 AS8426 AS8452 AS8468 AS8529 AS8544 AS8560 AS8637 AS8674 AS8680 AS8681 AS8683 AS8757 AS8801 AS8851 AS8878 AS8902 AS8966 AS9036 AS9044 AS9050 AS9140 AS9145 AS9153 AS9304 AS9354 AS9381 AS9498 AS9583 AS9930 AS10310 AS11260 AS12200 AS12390 AS12399 AS12440 AS12491 AS12496 AS12552 AS12703 AS12713 AS12741 AS12759 AS12850 AS12969 AS13002 AS13009 AS13030 AS13037 AS13122 AS13150 AS13208 AS13213 AS13237 AS13285 AS13335 AS13360 AS13631 AS13896 AS14061 AS14127 AS14537 AS14593 AS14630 AS15412 AS15510 AS15606 AS15654 AS15695 AS15766 AS15802 AS15830 AS16082 AS16164 AS16247 AS16265 AS16276 AS16347 AS16353 AS16552 AS17088 AS17494 AS17557 AS17639 AS17978 AS18106 AS18283 AS19551 AS19711 AS20326 AS20473 AS20562 AS20596 AS20679 AS20681 AS20712 AS20764 AS20799 AS20804 AS20860 AS20940 AS21056 AS21099 AS21215 AS21267 AS21472 AS21859 AS22697 AS23028 AS23161 AS23344 AS23576 AS23764 AS23889 AS24429 AS24482 AS24594 AS24916 AS24940 AS25091 AS25152 AS25160 AS25369 AS25376 AS25460 AS25509 AS28283 AS28458 AS28725 AS28757 AS28792 AS29006 AS29009 AS29017 AS29075 AS29119 AS29452 AS29527 AS29606 AS29611 AS29668 AS29838 AS30081 AS30740 AS30827 AS30844 AS31084 AS31122 AS31449 AS31459 AS31472 AS31500 AS31515 AS31529 AS31638 AS31727 AS31742 AS31898 AS32437 AS32590 AS32787 AS33353 AS33425 AS33763 AS33891 AS33920 AS34066 AS34087 AS34119 AS34177 AS34224 AS34245 AS34270 AS34288 AS34428 AS34442 AS34549 AS34655 AS34746 AS34927 AS35071 AS35180 AS35228 AS35266 AS35280 AS35297 AS35399 AS35551 AS35574 AS35575 AS35691 AS35793 AS35826 AS35834 AS36236 AS36351 AS36874 AS36916 AS36944 AS36994 AS37054 AS37100 AS37119 AS37273 AS37282 AS37468 AS37497 AS37613 AS37645 AS37662 AS37678 AS37680 AS37721 AS38158 AS38182 AS38719 AS38880 AS39063 AS39120 AS39122 AS39175 AS39202 AS39208 AS39351 AS39356 AS39386 AS39498 AS39522 AS39537 AS39572 AS39602 AS39737 AS39875 AS40627 AS40934 AS41000 AS41095 AS41107 AS41230 AS41327 AS41354 AS41364 AS41379 AS41484 AS41495 AS41678 AS41695 AS41811 AS42004 AS42010 AS42156 AS42228 AS42295 AS42344 AS42473 AS42611 AS42689 AS42708 AS42831 AS42947 AS43256 AS43350 AS43519 AS43545 AS43872 AS44123 AS44356 AS44600 AS44684 AS44735 AS44749 AS44965 AS45014 AS45352 AS45474 AS45701 AS47480 AS47631 AS47638 AS47704 AS47720 AS47957 AS47998 AS48070 AS48101 AS48185 AS48237 AS48266 AS48294 AS48305 AS48362 AS48688 AS48825 AS48945 AS48954 AS49158 AS49375 AS49415 AS49425 AS49490 AS49544 AS49572 AS49600 AS49823 AS49915 AS50023 AS50293 AS50300 AS50304 AS50316 AS50489 AS51043 AS51055 AS51154 AS51185 AS51263 AS51265 AS51409 AS51468 AS51553 AS51561 AS51823 AS51918 AS51945 AS52025 AS52041 AS52075 AS52320 AS53334 AS54113 AS54309 AS54994 AS55195 AS55256 AS55329 AS55685 AS55818 AS55850 AS56329 AS56474 AS56478 AS56595 AS56665 AS56704 AS56911 AS56990 AS57099 AS57344 AS57356 AS57463 AS57653 AS57793 AS57907 AS57976 AS58188 AS58273 AS58453 AS58511 AS58580 AS58715 AS59395 AS59439 AS59455 AS59550 AS59624 AS59659 AS59778 AS59829 AS59933 AS60022 AS60187 AS60255 AS60377 AS60439 AS60610 AS60670 AS60793 AS60800 AS60822 AS60868 AS61012 AS61049 AS61124 AS61215 AS61231 AS61323 AS61337 AS61373 AS61568 AS61573 AS61955 AS62044 AS62163 AS62167 AS62172 AS62217 AS62227 AS62240 AS62244 AS62275 AS62417 AS62663 AS62856 AS62902 AS62955 AS63399 AS63741 AS63927 AS63949 AS64049 AS131958 AS132337 AS132876 AS136106 AS136907 AS137367 AS137409 AS138915 AS139341 AS139901 AS150329 AS196881 AS197000 AS197440 AS197669 AS197790 AS197898 AS197981 AS198554 AS198651 AS198736 AS198781 AS198895 AS198930 AS199121 AS199335 AS199452 AS199468 AS199670 AS199713 AS199716 AS199775 AS199995 AS200070 AS200612 AS200700 AS201126 AS201261 AS201277 AS201494 AS201838 AS201864 AS201933 AS202053 AS202076 AS202196 AS202282 AS202596 AS203372 AS203416 AS203421 AS203462 AS203568 AS203582 AS203724 AS203851 AS204024 AS204089 AS204208 AS204220 AS204558 AS204598 AS205098 AS205272 AS205275 AS205479 AS205771 AS205847 AS205892 AS205975 AS206014 AS206067 AS206245 AS206347 AS206483 AS206530 AS206626 AS206735 AS206934 AS206963 AS206999 AS207044 AS207113 AS207310 AS207456 AS207594 AS207652 AS207784 AS207841 AS207995 AS208414 AS208621 AS208636 AS208802 AS208808 AS209326 AS209505 AS209768 AS210062 AS210258 AS210619 AS210627 AS210805 AS210874 AS210892 AS210893 AS211029 AS211175 AS211389 AS211501 AS212109 AS212232 AS212396 AS212483 AS212655 AS212683 AS212694 AS213054 AS213671 AS214073 AS214271 AS214670 AS215248 AS215638 AS215915 AS215981 AS216096 AS262725 AS263152 AS264997 AS266435 AS271253 AS327727 AS327814 AS328112 AS328366 AS328748 AS329215 AS395505 AS396986 AS398465 AS399486 AS399728

Upstreams

AS4004 connects to the global Internet via at least 2 upstream providers. In this setup, AS4004 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS5511 AS36932

Downstreams

AS4004 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS4004's role in extending Internet access beyond its own infrastructure.

AS51964

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