CNT-northChina

AS133111 · CERNET New Technology Co., Ltd CERNET Tower, Tsinghua Science Park Building 8 · CN · APNIC

Export CSV

1

Upstream providers

0

Downstream customers

1k

v4 addresses

2.1k

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
CNGI-CERNET2-AS-AP AS23910	2024-09-01 1y 9mo	2026-06-13	136 peers AS209 AS1299 AS3257 AS8582 AS17350 AS37468 AS47147 AS49028 AS61573 AS151704 AS199524 AS209718 AS398465		?af

Customers (0)

Addr family: All IPv4 IPv6

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

3

v4 prefixes

1k

v4 addresses

2

v6 prefixes

2.1k

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-10-06

Possible Trial

SCN AS24150 → possible trial with CNT-northChina AS133111

Confidence: 60%

⇄

2025-08-28

Lost Transit

SCN AS24150 → lost provider CNT-northChina AS133111

Confidence: 85%

⇄

2025-07-28

Lost Transit

BOC AS59073 → lost provider CNT-northChina AS133111

Confidence: 85% Duration: 309d

⇄

2025-07-19

New Transit

BOC AS59073 → added provider CNT-northChina AS133111

Confidence: 90%

⇄

2025-06-14

New Transit

BGCTVNET AS17429 → added provider CNT-northChina AS133111

Confidence: 90%

⇄

2024-10-11

Possible Trial

CERNEWTECHRES-AS-CN AS134169 → possible trial with CNT-northChina AS133111

Confidence: 60%

⇄

2024-10-03

Lost Transit

CERNEWTECHRES-AS-CN AS134169 → lost provider CNT-northChina AS133111

Confidence: 85% Duration: 31d

⇄

2024-09-02

New Transit

CERNEWTECHRES-AS-CN AS134169 → added provider CNT-northChina AS133111

Confidence: 90%

⇄

2024-09-02

New Transit

CNT-northChina AS133111 → added provider CNGI-CERNET2-AS-AP AS23910

Confidence: 90%

⇄

2024-09-02

New Transit

CNT-northChina AS133111 → added provider ERX-CERNET-BKB AS4538

Confidence: 90%

⇄

Renewal Calendar

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

This data is available to subscribers.

Sign in to view