Compare Networks

Comparing AS21873 and AS12042 — change

AS21873
US · ARIN
2
Providers
0
Customers
Explorer →

AS12042
US · ARIN
4
Providers
33
Customers
Explorer →

Customer Count Over Time

Originated Address Space Over Time

IPv4 Addresses
IPv6 /32s

Prefix Count Over Time

IPv4 Prefixes
IPv6 Prefixes

Unclassified Peers Over Time

AS21873 Providers

AS12042 Providers

AS21873 Recent Events

View all →
2026-01-01
New Transit
AS21873 AS21873 → added provider AS12042 AS12042
Confidence: 90%
⇄
2025-11-27
Lost Transit
AS21873 AS21873 → lost provider AS12042 AS12042
Confidence: 85% Duration: 329d
⇄
2025-04-02
New Transit
AS21873 AS21873 → added provider AS14371 AS14371
Confidence: 90%
⇄
2025-04-02
New Transit
AS21873 AS21873 → added provider AS12042 AS12042
Confidence: 90%
⇄
2025-01-02
New Transit
AS21873 AS21873 → added provider AS14371 AS14371
Confidence: 90%
⇄
2025-01-02
New Transit
AS21873 AS21873 → added provider AS12042 AS12042
Confidence: 90%
⇄

AS12042 Recent Events

View all →
2026-04-25
Lost Transit
AS12042 AS12042 → lost provider AS13576 AS13576
Confidence: 85% Duration: 478d
⇄
2026-04-21
Lost Transit
AS395836 AS395836 → lost provider AS12042 AS12042
Confidence: 85% Duration: 474d
⇄
2026-04-17
New Transit
AS401956 AS401956 → added provider AS12042 AS12042
Confidence: 90%
⇄
2026-03-21
Lost Transit
AS401353 AS401353 → lost provider AS12042 AS12042
Confidence: 85% Duration: 16d
⇄
2026-03-18
Lost Transit
AS29745 AS29745 → lost provider AS12042 AS12042
Confidence: 85% Duration: 440d
⇄
2026-03-13
New Transit
AS29745 AS29745 → added provider AS12042 AS12042
Confidence: 90%
⇄
2026-03-05
New Transit
AS401353 AS401353 → added provider AS12042 AS12042
Confidence: 90%
⇄
2026-02-02
Lost Transit
AS29745 AS29745 → lost provider AS12042 AS12042
Confidence: 85% Duration: 396d
⇄
2026-01-29
New Transit
AS395836 AS395836 → added provider AS12042 AS12042
Confidence: 90%
⇄
2026-01-01
New Transit
AS21873 AS21873 → added provider AS12042 AS12042
Confidence: 90%
⇄