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Comparing AS4134 and AS3257 — change

CHINANET-BACKBONE

AS4134 · No.31,Jin-rong Street Beijing 100032
CN · APNIC
8
Providers
147
Customers
Explorer →

GTT-BACKBONE

AS3257 · GTT
US · RIPENCC
Tier-1
0
Providers
1803
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

AS4134 Providers

AS3257 Providers

No providers.

AS4134 Recent Events

View all →
2026-05-06
Relationship Disputed
CHINANET-BACKBONE AS4134 CHINA169-Backbone AS4837
Confidence: 50%
⇄
2026-05-05
Relationship Disputed
CHINANET-BACKBONE AS4134 CHINA169-Backbone AS4837
Confidence: 50%
⇄
2026-05-04
Relationship Disputed
CHINANET-BACKBONE AS4134 CHINA169-Backbone AS4837
Confidence: 50%
⇄
2026-05-03
Relationship Disputed
CHINANET-BACKBONE AS4134 CHINA169-Backbone AS4837
Confidence: 50%
⇄
2026-04-23
Lost Transit
CHINATELECOM-IDC-BTHBD-AP AS141679 → lost provider CHINANET-BACKBONE AS4134
Confidence: 85% Duration: 568d
⇄
2026-04-19
New Transit
CHINATELECOM-IDC-BTHBD-AP AS141679 → added provider CHINANET-BACKBONE AS4134
Confidence: 90%
⇄
2026-04-19
New Transit
CUII AS9929 → added provider CHINANET-BACKBONE AS4134
Confidence: 90%
⇄
2026-04-19
New Transit
CHINANET-BACKBONE AS4134 → added provider CHINA169-Backbone AS4837
Confidence: 90%
⇄
2026-04-19
New Transit
CHINANET-BACKBONE AS4134 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-03-17
Lost Transit
ChinaNet-Guangdong-Foshan-MAN AS136200 → lost provider CHINANET-BACKBONE AS4134
Confidence: 85% Duration: 531d
⇄

AS3257 Recent Events

View all →
2026-05-06
New Transit
SPARTANHOST AS50131 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-03
New Transit
AS21564 AS21564 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-02
New Transit
DATAFOREST AS58212 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-02
New Transit
SECURITAS-DE AS48145 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-01
New Transit
TELEDATA AS43545 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-01
Lost Transit
AS36776 AS36776 → lost provider GTT-BACKBONE AS3257
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
PR-TELECOM-AS AS35311 → lost provider GTT-BACKBONE AS3257
Confidence: 85% Duration: 576d
⇄
2026-05-01
New Transit
AS33494 AS33494 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2026-05-01
Lost Transit
AS30366 AS30366 → lost provider GTT-BACKBONE AS3257
Confidence: 85% Duration: 576d
⇄
2026-05-01
New Transit
AS1426 AS1426 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄