CTC

AS18126 · Chubu Telecommunications Co.,Inc. Sakae 2-2-5, Naka-ku, Nagoya-shi,460-0008 Japan · JP · APNIC
Export CSV
4
Upstream providers
1
Downstream customers
1.4m
v4 addresses
2
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS2516
AS2516
 2025-01-01
1y 3mo
 2026-04-23
14 peers
AS260 AS3257 AS8582
Vectant
AS2519
 2025-01-01
1y 3mo
 2026-04-23
11 peers
AS3549
AS2914
AS2914
 2025-01-01
1y 3mo
 2026-04-23
82 peers
AS1031 AS1140 AS3320 AS3491 AS5580 AS6424 AS6453 AS6730 AS6762 AS6830 AS7018 AS8220 AS12956 AS13237 AS15605 AS16276 AS17350 AS24516 AS25091 AS27678 AS27986 AS32590 AS35710 AS37697 AS49434 AS49605 AS50628 AS51185 AS52468 AS52873 AS53062 AS60539 AS64475 AS134823 AS197580 AS199524 AS216285 AS328840
AS2497
AS2497
 2025-01-01
1y 3mo
 2026-04-23
15 peers
AS209 AS3549 AS6762 AS12956 AS27986 AS51185 AS52468 AS199524 AS216285

Customers (1)

Customer Country First Seen Last Seen Peers Confidence
SMG
AS146985
 JP 2025-01-01
1y 3mo
 2026-04-23
14 peers
AS3549 AS6461 AS8218 AS12956 AS24516 AS134823 AS199524

Network Size

IPv4 and IPv6 prefixes originated over time

73
v4 prefixes
1.4m
v4 addresses
2
v6 prefixes
2
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-03-26
Lost Transit
CTC AS18126 → dropped provider Vectant AS2519
Confidence: 85% Duration: 448d
⇄
2026-02-02
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
⇄
2026-01-04
Lost Transit
CTC AS18126 → dropped provider Vectant AS2519
Confidence: 85% Duration: 367d
⇄
2025-12-07
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
⇄
2025-11-20
Lost Transit
CTC AS18126 → dropped provider Vectant AS2519
Confidence: 85% Duration: 322d
⇄
2025-07-09
Lost Transit
CTC AS18126 → dropped provider AS2518 AS2518
Confidence: 85% Duration: 188d
⇄
2025-04-02
New Transit
SMG AS146985 → added provider CTC AS18126
Confidence: 90%
⇄
2025-04-02
New Transit
CTC AS18126 → added provider AS2914 AS2914
Confidence: 90%
⇄
2025-04-02
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
⇄
2025-04-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
⇄
2025-04-02
New Transit
CTC AS18126 → added provider AS2516 AS2516
Confidence: 90%
⇄
2025-04-02
New Transit
CTC AS18126 → added provider AS2497 AS2497
Confidence: 90%
⇄
2025-02-07
Lost Transit
CTC AS18126 → dropped provider AS2518 AS2518
Confidence: 85% Duration: 36d
⇄
2025-02-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
⇄
2025-01-06
Lost Transit
CTC AS18126 → dropped provider AS2518 AS2518
Confidence: 85% Duration: 4d
⇄
2025-01-02
New Transit
SMG AS146985 → added provider CTC AS18126
Confidence: 90%
⇄
2025-01-02
New Transit
CTC AS18126 → added provider AS2914 AS2914
Confidence: 90%
⇄
2025-01-02
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
⇄
2025-01-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
⇄
2025-01-02
New Transit
CTC AS18126 → added provider AS2516 AS2516
Confidence: 90%
⇄
2025-01-02
New Transit
CTC AS18126 → added provider AS2497 AS2497
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