AS21858 · US · ARIN
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3
Upstream providers
0
Downstream customers
2k
v4 addresses
1
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
 2026-04-29
81 peers
AS209 AS3320
AS11924
AS11924
 2025-01-01
1y 3mo
 2026-04-29
18 peers
AS260 AS3257 AS5580 AS8582 AS16260
AS6461
AS6461
 2025-01-01
1y 3mo
 2026-04-29
179 peers
AS174 AS917 AS999 AS1031 AS2500 AS2518 AS2914 AS3130 AS3320 AS3399 AS3491 AS4128 AS4641 AS4775 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS7018 AS7768 AS8220 AS12637 AS12956 AS13786 AS13830 AS14315 AS14537 AS14630 AS14840 AS14907 AS15562 AS15692 AS15943 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS19653 AS20080 AS21700 AS23673 AS24516 AS25220 AS27678 AS27986 AS28624 AS28634 AS29049 AS31510 AS32590 AS32709 AS34800 AS35266 AS35280 AS35598 AS35710 AS37697 AS38001 AS38008 AS38880 AS39120 AS43733 AS44901 AS46997 AS47692 AS48112 AS49434 AS49544 AS49605 AS50628 AS50877 AS51185 AS52468 AS52873 AS53062 AS53202 AS55222 AS55720 AS56457 AS56987 AS57630 AS57695 AS57866 AS58057 AS59105 AS60602 AS61138 AS61568 AS61573 AS61832 AS62167 AS63956 AS64112 AS132825 AS132884 AS134823 AS136557 AS138685 AS150000 AS151326 AS151704 AS197580 AS198150 AS198385 AS199524 AS200612 AS202365 AS212271 AS216285 AS262427 AS262462 AS263009 AS263152 AS264409 AS264479 AS265721 AS267613 AS269180 AS271253 AS327960 AS328840 AS328964 AS398465

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

6
v4 prefixes
2k
v4 addresses
1
v6 prefixes
1
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-04-25
Lost Transit
AS21858 AS21858 → lost provider AS46887 AS46887
Confidence: 85% Duration: 478d
⇄
2026-04-19
Lost Transit
AS11924 AS11924 → lost provider AS21858 AS21858
Confidence: 85% Duration: 472d
⇄
2026-04-18
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄
2026-04-05
Lost Transit
AS11924 AS11924 → lost provider AS21858 AS21858
Confidence: 85% Duration: 458d
⇄
2026-04-04
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄
2026-03-27
Lost Transit
AS11924 AS11924 → lost provider AS21858 AS21858
Confidence: 85% Duration: 449d
⇄
2026-03-22
Lost Transit
AS21858 AS21858 → lost provider AS46887 AS46887
Confidence: 85% Duration: 444d
⇄
2026-03-17
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄
2026-03-09
Lost Transit
AS11924 AS11924 → lost provider AS21858 AS21858
Confidence: 85% Duration: 431d
⇄
2026-03-04
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄
2025-11-27
Lost Transit
AS21858 AS21858 → lost provider AS46887 AS46887
Confidence: 85% Duration: 329d
⇄
2025-11-20
Lost Transit
AS21858 AS21858 → lost provider AS46887 AS46887
Confidence: 85% Duration: 322d
⇄
2025-11-20
Lost Transit
AS11924 AS11924 → lost provider AS21858 AS21858
Confidence: 85% Duration: 322d
⇄
2025-07-26
New Transit
AS21858 AS21858 → added provider AS11924 AS11924
Confidence: 90%
⇄
2025-05-21
Lost Transit
AS21858 AS21858 → lost provider AS11924 AS11924
Confidence: 85% Duration: 139d
⇄
2025-04-09
Possible Trial
AS21858 AS21858 → possible trial with AS11924 AS11924
Confidence: 60% Duration: 8d
⇄
2025-04-02
New Transit
AS21858 AS21858 → added provider AS46887 AS46887
Confidence: 90%
⇄
2025-04-02
New Transit
AS21858 AS21858 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-04-02
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄
2025-01-10
Lost Transit
AS21858 AS21858 → lost provider AS11924 AS11924
Confidence: 85% Duration: 8d
⇄
2025-01-02
New Transit
AS21858 AS21858 → added provider AS46887 AS46887
Confidence: 90%
⇄
2025-01-02
New Transit
AS21858 AS21858 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-01-02
New Transit
AS11924 AS11924 → added provider AS21858 AS21858
Confidence: 90%
⇄

Renewal Calendar

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

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