Autonomous System details

AS51973

Koltushsky Internet LTD — kolt-internet.ru

Summary

Country
RU Russian Federation
Organization Koltushsky Internet LTD
Domain kolt-internet.ru
Number of IPv4 8,192
Number of IPv6 1.2089× 1024
AS Type ISP
Registry RIPE NCC
Allocated December 09, 2010 (about 14 years ago)
Updated January 27, 2025 (about 2 months ago)

IP Ranges

AS51973 announces 2 IPv4 ranges and 1 IPv6 range.

That's a total of 8,192 IPv4 addresses and 1.2089× 1024 IPv6 addresses.

Prefix Organization Size Registry Status
46.149.32.0/20
RU Koltushsky Internet LTD
4,096 RIPE NCC ASSIGNED PI
81.163.240.0/20
RU Koltushsky Internet LTD
4,096 RIPE NCC ASSIGNED PI
Prefix Organization Size Registry Status
2001:67c:2954::/48
RU Koltushsky Internet LTD
1.2089× 1024 RIPE NCC ASSIGNED PI

Peers

AS51973 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.

AS1547 AS2683 AS2854 AS2895 AS3218 AS3267 AS3316 AS3327 AS5429 AS5431 AS5467 AS5568 AS6424 AS6697 AS6789 AS6820 AS6856 AS6866 AS6939 AS8241 AS8242 AS8359 AS8369 AS8400 AS8410 AS8492 AS8595 AS8636 AS8641 AS8674 AS8752 AS8764 AS8932 AS8985 AS9039 AS9049 AS9110 AS9123 AS9498 AS11284 AS12297 AS12389 AS12418 AS12668 AS12695 AS12741 AS12976 AS12993 AS13002 AS13094 AS13215 AS13335 AS15599 AS15672 AS15682 AS15754 AS15930 AS16143 AS20483 AS20655 AS20940 AS20985 AS21030 AS21135 AS21367 AS21416 AS21446 AS21453 AS21859 AS24429 AS24482 AS24638 AS24663 AS24689 AS24739 AS24936 AS25091 AS25189 AS25355 AS25369 AS25371 AS25451 AS25532 AS25549 AS26415 AS28761 AS28890 AS28891 AS28917 AS28968 AS29076 AS29124 AS29182 AS29226 AS29329 AS29479 AS30124 AS31059 AS31133 AS31174 AS31214 AS31294 AS31370 AS31376 AS31430 AS31499 AS32590 AS34102 AS34123 AS34139 AS34170 AS34456 AS34545 AS34550 AS34602 AS34879 AS35000 AS35087 AS35168 AS35237 AS35271 AS35522 AS35526 AS35539 AS35723 AS35768 AS35807 AS35810 AS36236 AS37721 AS38040 AS39087 AS39089 AS39134 AS39337 AS39360 AS39529 AS39821 AS40676 AS40966 AS41039 AS41082 AS41148 AS41185 AS41187 AS41275 AS41327 AS41338 AS41446 AS41601 AS41617 AS41718 AS41722 AS41798 AS41802 AS42239 AS42277 AS42291 AS42498 AS42511 AS42518 AS42532 AS42574 AS42632 AS42668 AS42893 AS42909 AS42916 AS42919 AS43201 AS43226 AS43298 AS43404 AS43465 AS43714 AS43727 AS43832 AS43966 AS44020 AS44030 AS44128 AS44347 AS44386 AS44391 AS44587 AS44772 AS44843 AS44943 AS44964 AS45029 AS46450 AS47104 AS47122 AS47156 AS47211 AS47321 AS47333 AS47478 AS47541 AS47542 AS47562 AS47569 AS47618 AS47626 AS47645 AS47655 AS47709 AS47764 AS47775 AS47895 AS47989 AS48061 AS48084 AS48128 AS48166 AS48249 AS48282 AS48287 AS48293 AS48366 AS48399 AS48558 AS48610 AS48614 AS48642 AS48739 AS48822 AS49063 AS49106 AS49124 AS49136 AS49218 AS49368 AS49395 AS49434 AS49458 AS49505 AS49531 AS49544 AS49673 AS49675 AS49730 AS49776 AS49779 AS49800 AS49813 AS50060 AS50157 AS50241 AS50254 AS50265 AS50313 AS50340 AS50384 AS50473 AS50509 AS50538 AS50629 AS50776 AS50923 AS50958 AS51028 AS51092 AS51178 AS51218 AS51297 AS51341 AS51343 AS51464 AS51669 AS51685 AS51764 AS51904 AS52091 AS54994 AS55256 AS55818 AS56407 AS56534 AS56630 AS56679 AS56694 AS56814 AS57073 AS57164 AS57233 AS57363 AS57463 AS57487 AS57512 AS57629 AS57724 AS57906 AS57918 AS57976 AS58002 AS58067 AS58310 AS59624 AS59883 AS60072 AS60280 AS60283 AS60337 AS60347 AS60357 AS60388 AS60459 AS60544 AS60731 AS60764 AS61010 AS61111 AS61121 AS61237 AS61308 AS61400 AS62040 AS62044 AS62103 AS62146 AS62205 AS62247 AS62314 AS64433 AS136907 AS137409 AS196695 AS196750 AS196925 AS197062 AS197275 AS197309 AS197394 AS197826 AS197969 AS198076 AS198297 AS198310 AS198610 AS198947 AS199020 AS199524 AS199599 AS199624 AS200044 AS200350 AS200487 AS201119 AS201211 AS201706 AS201776 AS202173 AS202486 AS202838 AS202984 AS204271 AS204582 AS204600 AS204720 AS205022 AS205063 AS205638 AS206295 AS206805 AS206810 AS206846 AS207133 AS207239 AS207561 AS208349 AS209030 AS209307 AS210756 AS211157 AS211914 AS213075 AS213499 AS213624 AS216262 AS216334

Upstreams

AS51973 connects to the global Internet via at least 3 upstream providers. In this setup, AS51973 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS20764 AS35598 AS62255

Downstreams

AS51973 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS51973's role in extending Internet access beyond its own infrastructure.

AS49954 AS201511

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