Compare Networks

Comparing AS137539 and AS4837change

UNICOM-Harbin-IDC

AS137539 · China Unicom China Unicom Cloud Data IP network
CN · APNIC
1
Providers
0
Customers

CHINA169-Backbone

AS4837 · CHINA UNICOM China169 Backbone
CN · APNIC
9
Providers
61
Customers

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

AS137539 Providers

AS4837 Providers

AS137539 Recent Events

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2026-05-02
Lost Transit
UNICOM-Harbin-IDC AS137539 → lost provider AS-NETSHIELD AS49418
Confidence: 85% Duration: 1d
2026-05-01
New Transit
UNICOM-Harbin-IDC AS137539 → added provider AS-NETSHIELD AS49418
Confidence: 90%
2024-11-02
New Transit
UNICOM-Harbin-IDC AS137539 → added provider CHINA169-Backbone AS4837
Confidence: 90%

AS4837 Recent Events

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2026-05-05
Relationship Disputed
Confidence: 50%
2026-05-04
Relationship Disputed
Confidence: 50%
2026-05-03
Relationship Disputed
Confidence: 50%
2026-05-02
Lost Transit
HWCSNET AS55990 → lost provider CHINA169-Backbone AS4837
Confidence: 85% Duration: 577d
2026-04-20
Lost Transit
AS2497 AS2497 → lost provider CHINA169-Backbone AS4837
Confidence: 85% Duration: 246d
2026-04-19
New Transit
CHINA169-Backbone AS4837 → added provider NEXUSGUARD-AS-AP AS45474
Confidence: 90%
2026-04-19
New Transit
CHINANET-BACKBONE AS4134 → added provider CHINA169-Backbone AS4837
Confidence: 90%
2026-03-27
Lost Transit
HWCSNET AS55990 → lost provider CHINA169-Backbone AS4837
Confidence: 85% Duration: 541d
2026-03-26
New Transit
HWCSNET AS55990 → added provider CHINA169-Backbone AS4837
Confidence: 90%
2026-03-20
Possible Trial
IETF-MEETING AS56554 → possible trial with CHINA169-Backbone AS4837
Confidence: 60% Duration: 9d