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AS21508 · US · ARIN
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1
Upstream providers
21
Downstream customers
71k
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS7922
AS7922
 2024-09-01
1y 8mo
 2026-05-09
7 peers
AS209 AS3549

Customers (21)

Customer Country First Seen Last Seen IPs Peers Confidence
AS11739
AS11739
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
CLOUDFLARENET-AS
AS13335
 US 2024-09-01
1y 8mo
 2026-05-09 512
4 peers
AS209 AS3549
AS15173
AS15173
 US 2024-09-01
1y 8mo
 2026-05-09 66k
4 peers
AS209 AS3549
AS15297
AS15297
 US 2024-09-01
1y 8mo
 2026-05-09 768
4 peers
AS209 AS3549
AS19923
AS19923
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
AS32540
AS32540
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
AS36244
AS36244
 US 2024-09-01
1y 8mo
 2026-05-09 512
4 peers
AS209 AS3549
AS36364
AS36364
 US 2024-09-01
1y 8mo
 2026-05-09 768
4 peers
AS209 AS3549
AS40641
AS40641
 US 2024-09-01
1y 8mo
 2026-05-09 7.9k
4 peers
AS209 AS3549
AS54219
AS54219
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
AS54883
AS54883
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
AS396083
AS396083
 US 2024-09-01
1y 8mo
 2026-05-09 512
4 peers
AS209 AS3549
AS399099
AS399099
 US 2024-09-01
1y 8mo
 2026-05-09 256
4 peers
AS209 AS3549
AS399232
AS399232
 US 2024-09-01
1y 8mo
 2026-05-09 256
2 peers
AS209
AS400114
AS400114
 US 2024-09-01
1y 8mo
 2026-05-09 512
4 peers
AS209 AS3549
AS395772
AS395772
 US 2024-09-07
1y 8mo
 2026-05-09 512
4 peers
AS209 AS3549
AS399607
AS399607
 US 2024-09-24
1y 7mo
 2026-05-09 256
3 peers
AS209
AS18773
AS18773
 US 2025-03-24
1y 1mo
 2026-05-09 3.8k
2 peers
AS209
AS36040
AS36040
 US 2025-08-22
8mo
 2026-05-09 256
3 peers
AS209 AS3549
AS394276
AS394276
 US 2025-10-01
7mo
 2026-05-09 —
1 peer
AS209
AS399938
AS399938
 US 2026-02-13
2mo
 2026-05-09 256
2 peers
AS209 AS3549

Network Size

IPv4 and IPv6 prefixes originated over time

18
v4 prefixes
71k
v4 addresses
64
v6 prefixes
<0.1
v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2025-04-10
Possible Trial
AS63468 AS63468 → possible trial with AS21508 AS21508
Confidence: 60%
⇄
2025-01-26
Possible Trial
AS397190 AS397190 → possible trial with AS21508 AS21508
Confidence: 60%
⇄
2025-01-19
Possible Trial
AS393861 AS393861 → possible trial with AS21508 AS21508
Confidence: 60%
⇄
2024-11-17
Possible Trial
AS40323 AS40323 → possible trial with AS21508 AS21508
Confidence: 60% Duration: 37d
⇄
2024-11-14
Possible Trial
AS395441 AS395441 → possible trial with AS21508 AS21508
Confidence: 60%
⇄
2024-10-19
Possible Trial
GSVNET-AS AS2134 → possible trial with AS21508 AS21508
Confidence: 60% Duration: 8d
⇄

Renewal Calendar

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

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