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Comparing AS27999 and AS19551 — change

AS27999
NI · LACNIC
1
Providers
0
Customers
Explorer →

AS19551
US · ARIN
36
Providers
158
Customers
Explorer →

Customer Count Over Time

Originated Address Space Over Time

IPv4 Addresses
IPv6 /32s

Prefix Count Over Time

IPv4 Prefixes
IPv6 Prefixes

Peering Count Over Time

AS27999 Providers

AS19551 Providers

AS27999 Recent Events

View all →
2026-02-21
Lost Transit
AS27999 AS27999 → lost provider AS14754 AS14754
Confidence: 85% Duration: 245d
⇄
2025-07-30
Possible Trial
AS27999 AS27999 → possible trial with AS14754 AS14754
Confidence: 60%
⇄
2025-07-05
Lost Transit
AS27999 AS27999 → lost provider AS14754 AS14754
Confidence: 85% Duration: 14d
⇄
2025-06-21
New Transit
AS27999 AS27999 → added provider AS14754 AS14754
Confidence: 90%
⇄
2024-11-02
New Transit
AS27999 AS27999 → added provider AS19551 AS19551
Confidence: 90%
⇄

AS19551 Recent Events

View all →
2026-05-02
Lost Transit
WANIN AS131636 → lost provider AS19551 AS19551
Confidence: 85% Duration: 547d
⇄
2026-05-02
New Transit
AS28507 AS28507 → added provider AS19551 AS19551
Confidence: 90%
⇄
2026-05-01
New Transit
WANIN AS131636 → added provider AS19551 AS19551
Confidence: 90%
⇄
2026-05-01
Lost Transit
FBN-AS AS36979 → lost provider AS19551 AS19551
Confidence: 85% Duration: 103d
⇄
2026-05-01
New Transit
AS19551 AS19551 → added provider AS16735 AS16735
Confidence: 90%
⇄
2026-04-30
Lost Transit
CCSIPH-AS-AP AS153862 → lost provider AS19551 AS19551
Confidence: 85% Duration: 2d
⇄
2026-04-30
New Transit
FBN-AS AS36979 → added provider AS19551 AS19551
Confidence: 90%
⇄
2026-04-30
Lost Transit
AS19551 AS19551 → lost provider AS3356 AS3356
Confidence: 85% Duration: 575d
⇄
2026-04-29
Lost Transit
AS22884 AS22884 → lost provider AS19551 AS19551
Confidence: 85% Duration: 133d
⇄
2026-04-29
Lost Transit
AS19551 AS19551 → lost provider AS7195 AS7195
Confidence: 85% Duration: 6d
⇄