AS12 · US · ARIN
3
Upstream providers
0
Downstream customers
98k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS3356
AS3356
2024-09-01
1y 9mo
2026-06-13
232 peers
AS209 AS513 AS553 AS701 AS917 AS999 AS1140 AS1257 AS1273 AS1299 AS1351 AS1828 AS2500 AS2914 AS3130 AS3333 AS3491 AS3549 AS4128 AS4775 AS6082 AS6424 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS8220 AS8888 AS12637 AS12859 AS12956 AS13030 AS14315 AS14537 AS14907 AS15562 AS15605 AS15692 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS20612 AS20811 AS24482 AS25152 AS25160 AS31122 AS31510 AS32590 AS33874 AS34927 AS35008 AS35280 AS35426 AS37497 AS39351 AS41073 AS42473 AS45049 AS45489 AS47147 AS48362 AS49028 AS49432 AS49544 AS49605 AS49788 AS50304 AS50673 AS51185 AS51873 AS52075 AS52468 AS52873 AS56457 AS56987 AS57630 AS59238 AS61832 AS63956 AS64112 AS136557 AS142289 AS150369 AS197580 AS198249 AS199524 AS202365 AS205206 AS206271 AS209650 AS210937 AS212271 AS215628 AS216285 AS263009 AS264479 AS271253 AS272403 AS327960 AS328206 AS328840 AS328964
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AS6461
AS6461
2024-09-01
1y 9mo
2026-06-13
221 peers
AS174 AS209 AS293 AS553 AS917 AS955 AS999 AS1000 AS1031 AS1299 AS1351 AS2500 AS2518 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3701 AS4128 AS4181 AS4608 AS4641 AS4775 AS5392 AS5394 AS5580 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS7713 AS7768 AS8220 AS8582 AS8888 AS9268 AS12307 AS12637 AS12956 AS12969 AS13786 AS13830 AS14041 AS14315 AS14537 AS14630 AS14840 AS14907 AS15397 AS15562 AS15692 AS15943 AS16276 AS16552 AS17290 AS17350 AS17660 AS19151 AS19653 AS19754 AS20080 AS20514 AS20764 AS20811 AS20932 AS21282 AS21700 AS22652 AS23367 AS23673 AS24516 AS25152 AS25160 AS25220 AS28624 AS28634 AS29140 AS29680 AS29691 AS30950 AS31554 AS31742 AS32590 AS32709 AS33185 AS33874 AS34428 AS34800 AS34927 AS35008 AS35266 AS35280 AS35426 AS35710 AS36236 AS36924 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS38880 AS39120 AS39122 AS40387 AS40994 AS42541 AS44901 AS45049 AS45352 AS45437 AS45701 AS46450 AS46997 AS47692 AS48237 AS48362 AS49028 AS49432 AS49544 AS49605 AS50300 AS50628 AS50877 AS51185 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS55720 AS56457 AS56987 AS57630 AS57695 AS57821 AS57866 AS58057 AS58511 AS58717 AS59105 AS59890 AS60539 AS60602 AS60924 AS61138 AS61568 AS61573 AS62167 AS63927 AS63956 AS64112 AS132337 AS132825 AS132884 AS133210 AS134823 AS136557 AS138685 AS140627 AS142289 AS150369 AS151326 AS151704 AS154335 AS197580 AS198150 AS198385 AS199524 AS199938 AS202365 AS205206 AS209650 AS209823 AS210937 AS212271 AS212317 AS212635 AS215230 AS216285 AS262427 AS262462 AS263009 AS263152 AS264409 AS264479 AS265721 AS266213 AS267613 AS268976 AS269180 AS271253 AS272403 AS327960 AS327983 AS328840 AS328964 AS397131 AS398465 AS401332
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GTT-BACKBONE
AS3257
2024-09-01
1y 9mo
2026-06-13
215 peers
AS174 AS260 AS553 AS917 AS999 AS1031 AS1257 AS1280 AS1299 AS1828 AS2119 AS2518 AS2914 AS3130 AS3257 AS3320 AS3491 AS3741 AS4128 AS4641 AS4775 AS4826 AS5413 AS5580 AS6057 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6908 AS7018 AS8218 AS8220 AS8529 AS8582 AS8888 AS9268 AS12307 AS12350 AS12637 AS12859 AS12956 AS12969 AS13030 AS14041 AS14315 AS14537 AS14630 AS14907 AS15397 AS15547 AS15562 AS15605 AS16276 AS16552 AS17350 AS17639 AS17660 AS18106 AS19151 AS19529 AS19754 AS20080 AS20205 AS20514 AS20612 AS20811 AS20932 AS21232 AS21282 AS22296 AS24482 AS24516 AS25152 AS25160 AS28824 AS29075 AS29691 AS30950 AS31027 AS31510 AS31742 AS32590 AS32709 AS33874 AS34177 AS34288 AS34800 AS34927 AS35008 AS35280 AS35426 AS35598 AS35710 AS36924 AS37105 AS37239 AS37468 AS37497 AS37697 AS38001 AS38008 AS38016 AS38726 AS39122 AS39351 AS39642 AS40864 AS41073 AS42473 AS42541 AS45049 AS45352 AS45489 AS46997 AS47147 AS47692 AS48185 AS48237 AS48362 AS48919 AS49028 AS49134 AS49432 AS49434 AS49544 AS49605 AS49788 AS50304 AS51185 AS51519 AS52075 AS52468 AS52873 AS55222 AS55720 AS56457 AS56665 AS56987 AS57187 AS57381 AS57630 AS57866 AS58057 AS58308 AS58717 AS59105 AS59414 AS59891 AS60539 AS60602 AS61138 AS61568 AS61832 AS63956 AS64112 AS64475 AS132337 AS132825 AS132884 AS133210 AS134823 AS136557 AS138685 AS140627 AS142289 AS148968 AS150000 AS150369 AS151326 AS151704 AS197580 AS198385 AS199518 AS199524 AS199938 AS202365 AS205206 AS209650 AS209718 AS209823 AS210937 AS212271 AS212635 AS215859 AS216285 AS262427 AS262462 AS264409 AS264845 AS265721 AS271253 AS272403 AS327960 AS328840 AS328964 AS398465 AS401332
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Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

11
v4 prefixes
98k
v4 addresses
1
v6 prefixes
1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2025-06-04
Lost Transit
AS12 AS12 → lost provider ASGARR AS137
Confidence: 85% Duration: 165d
2025-05-17
Lost Transit
AS12 AS12 → lost provider COLT AS8220
Confidence: 85% Duration: 210d
2025-05-07
New Transit
AS12 AS12 → added provider COLT AS8220
Confidence: 90%
2025-04-17
Possible Trial
ZAINAS-IQ AS59588 → possible trial with AS12 AS12
Confidence: 60%
2025-04-17
Possible Trial
AS12 AS12 → possible trial with HORIZON-SCOPE-IQ AS203217
Confidence: 60%
2025-03-20
Lost Transit
ZAINAS-IQ AS59588 → lost provider AS12 AS12
Confidence: 85% Duration: 11d
2025-03-20
Lost Transit
AS12 AS12 → lost provider HORIZON-SCOPE-IQ AS203217
Confidence: 85% Duration: 11d
2025-03-09
New Transit
ZAINAS-IQ AS59588 → added provider AS12 AS12
Confidence: 90%
2025-03-09
New Transit
AS12 AS12 → added provider HORIZON-SCOPE-IQ AS203217
Confidence: 90%
2024-12-21
New Transit
AS12 AS12 → added provider ASGARR AS137
Confidence: 90%
2024-11-22
New Transit
AS12 AS12 → added provider ASN-IBSNAZ AS3269
Confidence: 90%
2024-09-02
New Transit
AS394666 AS394666 → added provider AS12 AS12
Confidence: 90%
2024-09-02
New Transit
AS54965 AS54965 → added provider AS12 AS12
Confidence: 90%
2024-09-02
New Transit
AS12 AS12 → added provider AS6461 AS6461
Confidence: 90%
2024-09-02
New Transit
AS12 AS12 → added provider AS3356 AS3356
Confidence: 90%
2024-09-02
New Transit
AS12 AS12 → added provider GTT-BACKBONE AS3257
Confidence: 90%

Renewal Calendar

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

This data is available to subscribers.

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