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AS21874 · US · ARIN
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2
Upstream providers
0
Downstream customers
2.3k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS577
AS577
 2024-09-01
1y 8mo
 2026-05-08
28 peers
AS209 AS260 AS999 AS3257 AS3320 AS3549 AS5580 AS6762 AS7018 AS8582 AS12956 AS16260 AS20080 AS27986 AS32590 AS35710 AS49605 AS51185 AS52075 AS52468 AS61832 AS64475 AS199524 AS216285 AS264479
AS23498
AS23498
 2024-09-01
1y 8mo
 2026-05-08
36 peers
AS209 AS999 AS3320 AS3399 AS3491 AS3549 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS12956 AS15605 AS24516 AS27986 AS28917 AS35710 AS40864 AS48112 AS49605 AS51185 AS52468 AS64475 AS134823 AS151704 AS197580 AS199524 AS216285

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

2
v4 prefixes
2.3k
v4 addresses
0
v6 prefixes
0
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2025-07-02
Lost Transit
AS21874 AS21874 → lost provider BT-UK-AS AS2856
Confidence: 85% Duration: 303d
⇄
2025-07-02
Lost Transit
AS21874 AS21874 → lost provider CW AS1273
Confidence: 85% Duration: 303d
⇄
2025-04-19
New Transit
AS21874 AS21874 → added provider AS23498 AS23498
Confidence: 90%
⇄
2025-03-29
Lost Transit
AS21874 AS21874 → lost provider AS23498 AS23498
Confidence: 85% Duration: 208d
⇄
2024-10-16
Lost Transit
AS21874 AS21874 → lost provider AS23498 AS23498
Confidence: 85% Duration: 44d
⇄
2024-09-02
New Transit
AS21874 AS21874 → added provider AS23498 AS23498
Confidence: 90%
⇄
2024-09-02
New Transit
AS21874 AS21874 → added provider BT-UK-AS AS2856
Confidence: 90%
⇄
2024-09-02
New Transit
AS21874 AS21874 → added provider CW AS1273
Confidence: 90%
⇄
2024-09-02
New Transit
AS21874 AS21874 → added provider AS577 AS577
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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