ResearchIRR · RADB

AS-21574-CUSTOMERS Customers ASN Century Telecom

An as-set registered in RADB, maintained by MAINT-AS21574. It names 592 ASes and 0 sets directly; followed all the way down, it reaches 592 ASes through 0 nested sets.

Members

What AS-21574-CUSTOMERS lists

592 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS174 COGENT-174AS3573 ACCENTUREAS14789 CLOUDFLARENETAS20044 AS20044AS21433 AccentureFSSCAS23106 AS23106AS26615 AS26615AS27712 AS27712AS28133 AS28133AS28138 AS28138AS28163 AS28163AS28175 AS28175AS28188 AS28188AS28205 AS28205AS28219 AS28219AS28229 AS28229AS28296 AS28296AS28329 AS28329AS28342 AS28342AS28572 AS28572AS28590 AS28590AS28610 AS28610AS28656 AS28656AS28660 AS28660AS52532 AS52532AS52539 AS52539AS52548 AS52548AS52549 AS52549AS52556 AS52556AS52575 AS52575AS52612 AS52612AS52617 AS52617AS52631 AS52631AS52659 AS52659AS52660 AS52660AS52684 AS52684AS52695 AS52695AS52712 AS52712AS52752 AS52752AS52762 AS52762AS52772 AS52772AS52773 AS52773AS52808 AS52808AS52809 AS52809AS52862 AS52862AS52874AS52875 AS52875AS52883 AS52883AS52893 AS52893AS52894 AS52894AS52907 AS52907AS52916 AS52916AS52923 AS52923AS52928 AS52928AS52947 AS52947AS52962 AS52962AS52964 AS52964AS52971 AS52971AS52991 AS52991AS53003 AS53003
Show 532 more
AS53005 AS53005AS53013 AS53013AS53017 AS53017AS53040 AS53040AS53051 AS53051AS53052 AS53052AS53072 AS53072AS53076 AS53076AS53077 AS53077AS53113AS53139 AS53139AS53170 AS53170AS53194 AS53194AS53196 AS53196AS53225 AS53225AS61582 AS61582AS61586 AS61586AS61631AS61636 AS61636AS61707 AS61707AS61712 AS61712AS61713 AS61713AS61716 AS61716AS61722AS61724 AS61724AS61731 AS61731AS61822 AS61822AS61836 AS61836AS61885 AS61885AS61912 AS61912AS61939 AS61939AS61945 AS61945AS239351AS262268 AS262268AS262278 AS262278AS262301 AS262301AS262306 AS262306AS262314AS262336AS262342 AS262342AS262364 AS262364AS262380 AS262380AS262387 AS262387AS262402 AS262402AS262428 AS262428AS262470 AS262470AS262504 AS262504AS262506 AS262506AS262525AS262532 AS262532AS262552 AS262552AS262566 AS262566AS262576AS262602AS262606 AS262606AS262617 AS262617AS262624 AS262624AS262628 AS262628AS262640AS262663 AS262663AS262674 AS262674AS262690 AS262690AS262693 AS262693AS262709 AS262709AS262749 AS262749AS262754 AS262754AS262767 AS262767AS262770 AS262770AS262774AS262805 AS262805AS262811 AS262811AS262815 AS262815AS262895 AS262895AS262898 AS262898AS262909AS262948 AS262948AS262961AS263008 AS263008AS263016 AS263016AS263031 AS263031AS263053 AS263053AS263087 AS263087AS263130AS263261 AS263261AS263277 AS263277AS263278 AS263278AS263290 AS263290AS263302 AS263302AS263304 AS263304AS263305 AS263305AS263308 AS263308AS263324 AS263324AS263356 AS263356AS263375 AS263375AS263390 AS263390AS263411 AS263411AS263415 AS263415AS263424 AS263424AS263432 AS263432AS263440 AS263440AS263475 AS263475AS263496 AS263496AS263508 AS263508AS263519 AS263519AS263567 AS263567AS263591 AS263591AS263623 AS263623AS263624 AS263624AS263650 AS263650AS263666 AS263666AS263847 AS263847AS263879 AS263879AS263891 AS263891AS263902 AS263902AS263932 AS263932AS263950 AS263950AS263994 AS263994AS264014 AS264014AS264053 AS264053AS264054 AS264054AS264100 AS264100AS264119 AS264119AS264147 AS264147AS264181 AS264181AS264215 AS264215AS264229 AS264229AS264301 AS264301AS264311AS264318 AS264318AS264325AS264335AS264374 AS264374AS264375 AS264375AS264384 AS264384AS264385 AS264385AS264421 AS264421AS264455 AS264455AS264537AS264540 AS264540AS264552 AS264552AS264554 AS264554AS264557 AS264557AS264570 AS264570AS264598 AS264598AS264863 AS264863AS264869 AS264869AS264885 AS264885AS264886 AS264886AS264948 AS264948AS264990 AS264990AS265014 AS265014AS265031AS265051 AS265051AS265131 AS265131AS265140 AS265140AS265144 AS265144AS265172 AS265172AS265181 AS265181AS265183 AS265183AS265185 AS265185AS265256 AS265256AS265280 AS265280AS265288AS265301AS265305 AS265305AS265359 AS265359AS265382 AS265382AS265393 AS265393AS265419 AS265419AS265424 AS265424AS265437 AS265437AS265460 AS265460AS265468 AS265468AS265470AS265485AS265497 AS265497AS265928 AS265928AS265948 AS265948AS265952 AS265952AS265984 AS265984AS266008AS266060 AS266060AS266062 AS266062AS266071 AS266071AS266076AS266092 AS266092AS266135AS266149 AS266149AS266160 AS266160AS266163 AS266163AS266177 AS266177AS266187 AS266187AS266202 AS266202AS266216 AS266216AS266227 AS266227AS266242 AS266242AS266246 AS266246AS266255AS266260 AS266260AS266317 AS266317AS266327 AS266327AS266338 AS266338AS266359 AS266359AS266360 AS266360AS266372AS266397 AS266397AS266467 AS266467AS266498 AS266498AS266522 AS266522AS266538 AS266538AS266542AS266544 AS266544AS266556AS266591 AS266591AS266597 AS266597AS266603 AS266603AS266622AS266636 AS266636AS266922AS266942 AS266942AS266999 AS266999AS267008 AS267008AS267026 AS267026AS267070 AS267070AS267076 AS267076AS267126 AS267126AS267138 AS267138AS267173 AS267173AS267189 AS267189AS267191 AS267191AS267211 AS267211AS267216AS267229 AS267229AS267238 AS267238AS267245 AS267245AS267250 AS267250AS267329 AS267329AS267356AS267357 AS267357AS267373 AS267373AS267385 AS267385AS267467 AS267467AS267470 AS267470AS267497 AS267497AS267502 AS267502AS267536 AS267536AS267537 AS267537AS267549 AS267549AS267552 AS267552AS267560 AS267560AS267618 AS267618AS267627 AS267627AS267637 AS267637AS267648 AS267648AS267654 AS267654AS267938 AS267938AS267961 AS267961AS267971 AS267971AS267978 AS267978AS267988 AS267988AS267999 AS267999AS268083 AS268083AS268087 AS268087AS268091 AS268091AS268096 AS268096AS268106 AS268106AS268128 AS268128AS268183 AS268183AS268186 AS268186AS268188 AS268188AS268191 AS268191AS268205 AS268205AS268209 AS268209AS268229 AS268229AS268280 AS268280AS268310 AS268310AS268314 AS268314AS268327 AS268327AS268355 AS268355AS268433 AS268433AS268480AS268509 AS268509AS268525 AS268525AS268568 AS268568AS268578 AS268578AS268587 AS268587AS268611 AS268611AS268632 AS268632AS268633 AS268633AS268667 AS268667AS268725 AS268725AS268732 AS268732AS268733 AS268733AS268735 AS268735AS268786 AS268786AS268788 AS268788AS268795 AS268795AS268801 AS268801AS268824 AS268824AS268830 AS268830AS268843 AS268843AS268861AS268882 AS268882AS268888 AS268888AS268902 AS268902AS268988 AS268988AS268990 AS268990AS268997 AS268997AS269000 AS269000AS269018 AS269018AS269030 AS269030AS269084 AS269084AS269092 AS269092AS269098 AS269098AS269107 AS269107AS269127 AS269127AS269131 AS269131AS269142AS269154 AS269154AS269179 AS269179AS269183 AS269183AS269199 AS269199AS269211 AS269211AS269227 AS269227AS269236 AS269236AS269237 AS269237AS269248 AS269248AS269249 AS269249AS269273 AS269273AS269302 AS269302AS269306 AS269306AS269308 AS269308AS269351 AS269351AS269370 AS269370AS269388 AS269388AS269406 AS269406AS269449 AS269449AS269459 AS269459AS269460 AS269460AS269462 AS269462AS269477 AS269477AS269488 AS269488AS269497 AS269497AS269517 AS269517AS269526 AS269526AS269535 AS269535AS269537 AS269537AS269552 AS269552AS269554 AS269554AS269559 AS269559AS269561 AS269561AS269579 AS269579AS269619 AS269619AS269628AS269651AS269668 AS269668AS269682AS269690 AS269690AS269701 AS269701AS269704 AS269704AS270285 AS270285AS270304 AS270304AS270306 AS270306AS270310 AS270310AS270336 AS270336AS270353 AS270353AS270361 AS270361AS270364 AS270364AS270385 AS270385AS270388 AS270388AS270400AS270436 AS270436AS270550 AS270550AS270562 AS270562AS270564 AS270564AS270584 AS270584AS270589 AS270589AS270599 AS270599AS270600 AS270600AS270632 AS270632AS270641 AS270641AS270663 AS270663AS270685 AS270685AS270704 AS270704AS270750 AS270750AS270759 AS270759AS270766 AS270766AS270815 AS270815AS270820 AS270820AS270837 AS270837AS270846AS270870AS270896 AS270896AS270897 AS270897AS270920 AS270920AS270943 AS270943AS270951 AS270951AS270953 AS270953AS270963AS270964 AS270964AS271014 AS271014AS271034 AS271034AS271037 AS271037AS271042 AS271042AS271049 AS271049AS271062 AS271062AS271068 AS271068AS271071 AS271071AS271072 AS271072AS271080 AS271080AS271081AS271090 AS271090AS271102 AS271102AS271108 AS271108AS271110 AS271110AS271116 AS271116AS271122 AS271122AS271123AS271133 AS271133AS271134 AS271134AS271136 AS271136AS271154 AS271154AS271181 AS271181AS271207AS271251 AS271251AS271252 AS271252AS271262 AS271262AS271263 AS271263AS271295AS271338 AS271338AS271373 AS271373AS271381 AS271381AS271390 AS271390AS271391 AS271391AS271398 AS271398AS271413 AS271413AS271415 AS271415AS271418 AS271418AS271422 AS271422AS271427 AS271427AS271429 AS271429AS271444 AS271444AS271452 AS271452AS271470AS271471 AS271471AS271479 AS271479AS271484 AS271484AS271488 AS271488AS271496 AS271496AS271499 AS271499AS271511 AS271511AS271550 AS271550AS271566 AS271566AS271586 AS271586AS271610 AS271610AS271622 AS271622AS271691 AS271691AS271716AS271722AS271729 AS271729AS271734 AS271734AS271744 AS271744AS271771 AS271771AS272162 AS272162AS272189AS272193 AS272193AS272201 AS272201AS272218 AS272218AS272241 AS272241AS272415 AS272415AS272421 AS272421AS272429 AS272429AS272454 AS272454AS272479 AS272479AS272487 AS272487AS272495 AS272495AS272544AS272547 AS272547AS272555 AS272555AS272561AS272569 AS272569AS272585 AS272585AS272628 AS272628AS272634 AS272634AS272668 AS272668AS272671 AS272671AS272678 AS272678AS272710 AS272710AS272713 AS272713AS272741 AS272741AS272753 AS272753AS272773AS273330 AS273330AS273348 AS273348AS273350 AS273350AS273367 AS273367AS273412 AS273412AS273443 AS273443AS273454 AS273454AS273463 AS273463AS273489 AS273489AS273535 AS273535AS273538 AS273538AS273539AS273585 AS273585AS273587AS273590 AS273590AS273639 AS273639AS273663 AS273663AS273665 AS273665AS273690AS273710 AS273710AS273714 AS273714AS273783 AS273783AS273811 AS273811AS274350 AS274350AS274388 AS274388AS274465 AS274465AS274496 AS274496AS274538 AS274538AS274552 AS274552AS274594 AS274594AS274622 AS274622AS274672 AS274672AS274674 AS274674AS274726 AS274726AS274774 AS274774AS274795 AS274795AS274798 AS274798AS275646 AS275646AS275677 AS275677AS2736630
Expanded

Every AS it reaches

What a filter built from AS-21574-CUSTOMERS would let in: 592 ASes.

Show the 592 ASes
AS174AS3573AS14789AS20044AS21433AS23106AS26615AS27712AS28133AS28138AS28163AS28175AS28188AS28205AS28219AS28229AS28296AS28329AS28342AS28572AS28590AS28610AS28656AS28660AS52532AS52539AS52548AS52549AS52556AS52575AS52612AS52617AS52631AS52659AS52660AS52684AS52695AS52712AS52752AS52762AS52772AS52773AS52808AS52809AS52862AS52874AS52875AS52883AS52893AS52894AS52907AS52916AS52923AS52928AS52947AS52962AS52964AS52971AS52991AS53003AS53005AS53013AS53017AS53040AS53051AS53052AS53072AS53076AS53077AS53113AS53139AS53170AS53194AS53196AS53225AS61582AS61586AS61631AS61636AS61707AS61712AS61713AS61716AS61722AS61724AS61731AS61822AS61836AS61885AS61912AS61939AS61945AS239351AS262268AS262278AS262301AS262306AS262314AS262336AS262342AS262364AS262380AS262387AS262402AS262428AS262470AS262504AS262506AS262525AS262532AS262552AS262566AS262576AS262602AS262606AS262617AS262624AS262628AS262640AS262663AS262674AS262690AS262693AS262709AS262749AS262754AS262767AS262770AS262774AS262805AS262811AS262815AS262895AS262898AS262909AS262948AS262961AS263008AS263016AS263031AS263053AS263087AS263130AS263261AS263277AS263278AS263290AS263302AS263304AS263305AS263308AS263324AS263356AS263375AS263390AS263411AS263415AS263424AS263432AS263440AS263475AS263496AS263508AS263519AS263567AS263591AS263623AS263624AS263650AS263666AS263847AS263879AS263891AS263902AS263932AS263950AS263994AS264014AS264053AS264054AS264100AS264119AS264147AS264181AS264215AS264229AS264301AS264311AS264318AS264325AS264335AS264374AS264375AS264384AS264385AS264421AS264455AS264537AS264540AS264552AS264554AS264557AS264570AS264598AS264863AS264869AS264885AS264886AS264948AS264990AS265014AS265031AS265051AS265131AS265140AS265144AS265172AS265181AS265183AS265185AS265256AS265280AS265288AS265301AS265305AS265359AS265382AS265393AS265419AS265424AS265437AS265460AS265468AS265470AS265485AS265497AS265928AS265948AS265952AS265984AS266008AS266060AS266062AS266071AS266076AS266092AS266135AS266149AS266160AS266163AS266177AS266187AS266202AS266216AS266227AS266242AS266246AS266255AS266260AS266317AS266327AS266338AS266359AS266360AS266372AS266397AS266467AS266498AS266522AS266538AS266542AS266544AS266556AS266591AS266597AS266603AS266622AS266636AS266922AS266942AS266999AS267008AS267026AS267070AS267076AS267126AS267138AS267173AS267189AS267191AS267211AS267216AS267229AS267238AS267245AS267250AS267329AS267356AS267357AS267373AS267385AS267467AS267470AS267497AS267502AS267536AS267537AS267549AS267552AS267560AS267618AS267627AS267637AS267648AS267654AS267938AS267961AS267971AS267978AS267988AS267999AS268083AS268087AS268091AS268096AS268106AS268128AS268183AS268186AS268188AS268191AS268205AS268209AS268229AS268280AS268310AS268314AS268327AS268355AS268433AS268480AS268509AS268525AS268568AS268578AS268587AS268611AS268632AS268633AS268667AS268725AS268732AS268733AS268735AS268786AS268788AS268795AS268801AS268824AS268830AS268843AS268861AS268882AS268888AS268902AS268988AS268990AS268997AS269000AS269018AS269030AS269084AS269092AS269098AS269107AS269127AS269131AS269142AS269154AS269179AS269183AS269199AS269211AS269227AS269236AS269237AS269248AS269249AS269273AS269302AS269306AS269308AS269351AS269370AS269388AS269406AS269449AS269459AS269460AS269462AS269477AS269488AS269497AS269517AS269526AS269535AS269537AS269552AS269554AS269559AS269561AS269579AS269619AS269628AS269651AS269668AS269682AS269690AS269701AS269704AS270285AS270304AS270306AS270310AS270336AS270353AS270361AS270364AS270385AS270388AS270400AS270436AS270550AS270562AS270564AS270584AS270589AS270599AS270600AS270632AS270641AS270663AS270685AS270704AS270750AS270759AS270766AS270815AS270820AS270837AS270846AS270870AS270896AS270897AS270920AS270943AS270951AS270953AS270963AS270964AS271014AS271034AS271037AS271042AS271049AS271062AS271068AS271071AS271072AS271080AS271081AS271090AS271102AS271108AS271110AS271116AS271122AS271123AS271133AS271134AS271136AS271154AS271181AS271207AS271251AS271252AS271262AS271263AS271295AS271338AS271373AS271381AS271390AS271391AS271398AS271413AS271415AS271418AS271422AS271427AS271429AS271444AS271452AS271470AS271471AS271479AS271484AS271488AS271496AS271499AS271511AS271550AS271566AS271586AS271610AS271622AS271691AS271716AS271722AS271729AS271734AS271744AS271771AS272162AS272189AS272193AS272201AS272218AS272241AS272415AS272421AS272429AS272454AS272479AS272487AS272495AS272544AS272547AS272555AS272561AS272569AS272585AS272628AS272634AS272668AS272671AS272678AS272710AS272713AS272741AS272753AS272773AS273330AS273348AS273350AS273367AS273412AS273443AS273454AS273463AS273489AS273535AS273538AS273539AS273585AS273587AS273590AS273639AS273663AS273665AS273690AS273710AS273714AS273783AS273811AS274350AS274388AS274465AS274496AS274538AS274552AS274594AS274622AS274672AS274674AS274726AS274774AS274795AS274798AS275646AS275677AS2736630
Prefixes

What AS-21574-CUSTOMERS covers

Every route object in the IRR whose origin is one of the 592 ASes it reaches: the prefixes a filter built from AS-21574-CUSTOMERS (with bgpq4, say) would allow. 7,890 IPv4 and 4,802 IPv6. Every one is in the IRR API.

7,890 IPv4 prefixesthe first 1,000 listed
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4,802 IPv6 prefixesthe first 1,000 listed
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Registries

Each registry’s copy

RADB592 membersCustomers ASN Century Telecom
Maintained byMAINT-AS21574
Last modified2026-10-14T18:42:40Z
MembersAS262566 AS61707 AS266636 AS52532 AS264948 AS264540 AS262336 AS264325 AS264311 AS262504 AS264335 AS262624 AS264598 AS266149 AS268229 AS265183 AS265185 AS265424 AS264886 AS267189 AS267357 AS263415 AS262301 AS265031 AS266360 AS61945 AS263496 AS265382 AS266372 AS265014 AS262815 AS53072 AS52631 AS52874 AS52883 AS262909 AS28656 AS262552 AS262525 AS262602 AS262628 AS52575 AS262306 AS263277 AS262961 AS263567 AS266008 AS266202 AS268433 AS20044 AS267536 AS267497 AS28660 AS268480 AS268633 AS268587 AS266922 AS267138 AS267229 AS267329 AS268310 AS266062 AS266255 AS266622 AS267552 AS268990 AS267654 AS268188 AS269154 AS266227 AS269306 AS263519 AS266397 AS263356 AS269526 AS266942 AS268191 AS268205 AS269682 AS270306 AS269554 AS266538 AS269701 AS28175 AS263994 AS264557 AS263932 AS265468 AS263891 AS265485 AS263278 AS266556 AS270385 AS267356 AS270897 AS269497 AS270837 AS268997 AS271081 AS271072 AS271042 AS271252 AS271251 AS271134 AS270663 AS270815 AS271295 AS271338 AS264374 AS271062 AS269199 AS271037 AS263087 AS269249 AS265460 AS269619 AS265497 AS53077 AS268186 AS262268 AS265131 AS271102 AS52539 AS270920 AS266603 AS271716 AS271734 AS265437 AS52862 AS266246 AS264147 AS61822 AS53017 AS268509 AS262693 AS266071 AS28163 AS269179 AS269517 AS263053 AS267467 AS269651 AS270285 AS269552 AS262690 AS271110 AS265172 AS53003 AS262278 AS270685 AS271427 AS271722 AS271413 AS268106 AS272454 AS267618 AS52947 AS271429 AS271207 AS272162 AS269561 AS271610 AS264014 AS272189 AS272201 AS271511 AS53196 AS264375 AS52875 AS268732 AS265928 AS267026 AS53170 AS262767 AS271499 AS268096 AS272479 AS268830 AS263666 AS271123 AS269227 AS267008 AS262948 AS265051 AS268725 AS272487 AS272585 AS268882 AS269248 AS262506 AS53194 AS271452 AS266092 AS262314 AS272561 AS270750 AS272495 AS272544 AS264119 AS263902 and 392 more
mbrs-by-refN
Used by

Sets that include AS-21574-CUSTOMERS

AS-21574-CENTURY
Tools

Check AS-21574-CUSTOMERS live

IRR API, with prefixes