AS21504 · US · ARIN
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8
Upstream providers
0
Downstream customers
4.9k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS46887
AS46887
 2025-01-01
1y 3mo
 2026-04-23
165 peers
AS174 AS209 AS917 AS999 AS1031 AS1103 AS2500 AS2734 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS6894 AS7018 AS7768 AS8220 AS8582 AS12956 AS14907 AS15562 AS16260 AS16276 AS16552 AS17660 AS19151 AS19529 AS20080 AS20912 AS21700 AS24516 AS27678 AS27986 AS29140 AS31510 AS32590 AS34800 AS35710 AS38001 AS38880 AS44901 AS45437 AS48112 AS49434 AS49544 AS49605 AS51185 AS52468 AS53828 AS55720 AS56457 AS57821 AS61138 AS61568 AS61832 AS63956 AS64112 AS132825 AS132884 AS134823 AS136557 AS138685 AS151326 AS151704 AS197580 AS199524 AS200612 AS202365 AS212271 AS216285 AS262427 AS264409 AS271253 AS327960 AS328840 AS328964 AS398465
AS701
AS701
 2025-01-01
1y 3mo
 2026-04-23
240 peers
AS174 AS260 AS513 AS680 AS917 AS1103 AS2027 AS2500 AS2518 AS2914 AS3130 AS3303 AS3320 AS3333 AS3491 AS4128 AS4641 AS5392 AS6057 AS6082 AS6424 AS6730 AS6762 AS6830 AS6894 AS7018 AS7713 AS7768 AS8220 AS8455 AS8888 AS12307 AS12956 AS13786 AS13830 AS14537 AS14630 AS14840 AS14907 AS15397 AS15547 AS15562 AS15605 AS15692 AS15943 AS16276 AS16552 AS17290 AS17350 AS17660 AS18106 AS19151 AS19529 AS19653 AS20080 AS20612 AS20764 AS20811 AS20912 AS20932 AS21232 AS21282 AS21700 AS22652 AS23673 AS24516 AS25152 AS25220 AS27678 AS27986 AS28329 AS28398 AS28910 AS29049 AS29075 AS29140 AS29222 AS29680 AS29691 AS31510 AS31554 AS31742 AS32590 AS32709 AS33185 AS33874 AS34019 AS34288 AS34428 AS34800 AS34872 AS34927 AS35266 AS35280 AS35369 AS35426 AS35598 AS35710 AS36236 AS36924 AS37053 AS37105 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39122 AS40994 AS41722 AS43733 AS44097 AS44901 AS45352 AS45437 AS45701 AS46997 AS47147 AS47692 AS48112 AS48362 AS48678 AS48919 AS49028 AS49432 AS49434 AS49544 AS49605 AS50300 AS50628 AS50877 AS51184 AS51185 AS52320 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS55720 AS56430 AS56457 AS56665 AS56987 AS57344 AS57630 AS57695 AS57866 AS58057 AS58308 AS58511 AS58717 AS59105 AS59414 AS60539 AS60602 AS61138 AS61568 AS61573 AS61832 AS62167 AS63927 AS63956 AS64112 AS132825 AS132884 AS133210 AS134823 AS135895 AS136557 AS137409 AS150000 AS150369 AS151326 AS151704 AS196621 AS197580 AS198150 AS198385 AS199524 AS199938 AS200612 AS202365 AS204092 AS207841 AS207910 AS209650 AS209823 AS212271 AS214443 AS215230 AS215859 AS216285 AS262427 AS262462 AS263009 AS263541 AS264479 AS264845 AS265721 AS267613 AS268976 AS271253 AS272403 AS327960 AS327983 AS328840 AS328977 AS398465 AS401332
AS54004
AS54004
 2025-01-01
1y 3mo
 2026-04-23
104 peers
AS209 AS553 AS835 AS924 AS1031 AS1828 AS2500 AS2914 AS3214 AS3257 AS3320 AS3399 AS3549 AS4128 AS4641 AS4775 AS5394 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS8426 AS8582 AS12859 AS12956 AS13237 AS14315 AS14630 AS14907 AS15562 AS15605 AS15692 AS16260 AS16276 AS16552 AS17660 AS19529 AS20080 AS20811 AS23367 AS27678 AS27986 AS28917 AS29140 AS32590 AS34549 AS34854 AS35266 AS35426 AS35710 AS36924 AS38726 AS40864 AS40994 AS44901 AS45437 AS45489 AS48070 AS49544 AS49605 AS50877 AS51185 AS52075 AS52468 AS53828 AS56987 AS57821 AS58057 AS64475 AS132884 AS138685 AS142271 AS150369 AS199524 AS206499 AS216285 AS271253 AS398465
AS3356
AS3356
 2025-01-01
1y 3mo
 2026-04-23
212 peers
AS209 AS835 AS924 AS999 AS1828 AS2500 AS2914 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4181 AS4641 AS6461 AS6762 AS6830 AS7018 AS8218 AS8220 AS11039 AS12859 AS12956 AS13237 AS14630 AS14907 AS15562 AS15605 AS15692 AS16276 AS16552 AS19529 AS20080 AS24482 AS25152 AS27986 AS28824 AS28917 AS29140 AS32590 AS34927 AS35008 AS35266 AS35710 AS40387 AS45049 AS45489 AS47147 AS49544 AS49605 AS50304 AS50877 AS51185 AS52075 AS52468 AS57381 AS57821 AS58511 AS61832 AS64475 AS150369 AS199524 AS398465
AS6461
AS6461
 2025-01-01
1y 3mo
 2026-04-23
206 peers
AS174 AS209 AS293 AS917 AS999 AS1031 AS1103 AS1299 AS2500 AS2518 AS2734 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3701 AS4128 AS4181 AS4641 AS4775 AS5392 AS5394 AS5580 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS7713 AS7768 AS8220 AS8582 AS8888 AS9268 AS12637 AS12956 AS12969 AS13786 AS13830 AS14041 AS14315 AS14537 AS14630 AS14840 AS14907 AS15397 AS15562 AS15692 AS15943 AS16260 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS19653 AS19754 AS20080 AS20514 AS20811 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS23673 AS24516 AS25152 AS25160 AS25220 AS27678 AS27986 AS28624 AS28634 AS29049 AS29140 AS29680 AS29691 AS30950 AS31510 AS31554 AS31742 AS32590 AS33185 AS33874 AS34428 AS34800 AS34927 AS35008 AS35266 AS35280 AS35426 AS35710 AS36236 AS36924 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39120 AS39122 AS40387 AS40994 AS42541 AS43733 AS44901 AS45049 AS45437 AS45701 AS46450 AS46997 AS47692 AS48112 AS48237 AS48362 AS49028 AS49432 AS49434 AS49544 AS49605 AS50300 AS50628 AS50877 AS51185 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS55720 AS56457 AS56987 AS57630 AS57695 AS57821 AS57866 AS58057 AS58511 AS59105 AS59890 AS60539 AS60602 AS61138 AS61568 AS61573 AS61832 AS62167 AS63927 AS63956 AS64112 AS132825 AS132884 AS133210 AS134823 AS136557 AS138685 AS140627 AS150000 AS151326 AS151704 AS197580 AS198150 AS198385 AS199524 AS199938 AS200612 AS202365 AS205206 AS209650 AS210937 AS212271 AS215230 AS216285 AS262427 AS262462 AS263009 AS263152 AS264409 AS264479 AS265721 AS266213 AS267613 AS269180 AS271253 AS272403 AS327960 AS327983 AS328840 AS328964 AS397131 AS398465 AS401332
AS55002
AS55002
 2025-01-01
1y 3mo
 2026-04-23
44 peers
AS174 AS209 AS1213 AS3130 AS3257 AS3320 AS3491 AS3549 AS5580 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS12956 AS15605 AS20912 AS21700 AS28917 AS29504 AS35710 AS38008 AS40864 AS46997 AS48112 AS49605 AS51185 AS52468 AS56457 AS57821 AS60539 AS64112 AS134823 AS197580 AS199524 AS216285 AS327960 AS328840
AS46450
AS46450
 2025-01-01
1y 3mo
 2026-04-23
63 peers
AS260 AS3257 AS5580 AS8582 AS16260
AS174
AS174
 2025-01-01
1y 3mo
 2026-04-23
196 peers
AS209 AS293 AS680 AS835 AS924 AS955 AS999 AS1031 AS1103 AS1221 AS1280 AS1299 AS1828 AS2152 AS2500 AS2734 AS2914 AS3214 AS3216 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4181 AS4608 AS4641 AS4775 AS4826 AS5392 AS5394 AS5413 AS5580 AS6360 AS6453 AS6461 AS6730 AS6762 AS6830 AS6939 AS7018 AS7768 AS8218 AS8220 AS8283 AS8298 AS8426 AS8455 AS8529 AS8582 AS8660 AS8888 AS9002 AS11039 AS11399 AS12307 AS12350 AS12859 AS12956 AS12969 AS13030 AS13058 AS13237 AS13781 AS14041 AS14315 AS14630 AS14907 AS15562 AS15605 AS16276 AS16347 AS16552 AS17350 AS17660 AS19529 AS19754 AS20080 AS20130 AS20514 AS20811 AS22296 AS23367 AS23673 AS24482 AS25091 AS25152 AS25220 AS27986 AS28329 AS28824 AS28917 AS29479 AS29691 AS30950 AS31027 AS31554 AS32590 AS34177 AS34854 AS34927 AS35008 AS35266 AS35280 AS35600 AS35710 AS36924 AS38001 AS38726 AS39642 AS40387 AS40864 AS41095 AS41811 AS42473 AS42541 AS45049 AS45489 AS47147 AS47692 AS48070 AS48112 AS48185 AS48237 AS48362 AS49028 AS49134 AS49432 AS49434 AS49544 AS49605 AS50304 AS50628 AS50877 AS51088 AS51185 AS51873 AS52075 AS52468 AS52873 AS53062 AS53828 AS55720 AS57381 AS57777 AS57821 AS57866 AS58511 AS59414 AS59891 AS60924 AS61218 AS61832 AS63927 AS64475 AS132847 AS132884 AS134823 AS138685 AS140627 AS142271 AS148968 AS150369 AS151704 AS197580 AS199518 AS199524 AS199938 AS204092 AS205206 AS209823 AS210937 AS215230 AS216285 AS262462 AS263009 AS263237 AS263541 AS266213 AS267613 AS271253 AS397131 AS398465

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

20
v4 prefixes
4.9k
v4 addresses
0
v6 prefixes
0
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2025-04-02
New Transit
AS21504 AS21504 → added provider AS55002 AS55002
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS54004 AS54004
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS46887 AS46887
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS46450 AS46450
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS701 AS701
Confidence: 90%
⇄
2025-04-02
New Transit
AS21504 AS21504 → added provider AS174 AS174
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS55002 AS55002
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS54004 AS54004
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS46887 AS46887
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS46450 AS46450
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS701 AS701
Confidence: 90%
⇄
2025-01-02
New Transit
AS21504 AS21504 → added provider AS174 AS174
Confidence: 90%
⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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